{"title":"Shaft Assemblies","description":"\u003cp\u003eShop shaft assemblies for PTO driveline systems at Titus Trucks Accessories. Complete shaft assemblies provide ready-to-install driveline solutions for trucks with PTO-driven hydraulic systems. Browse our shaft assembly selection for your specific truck and PTO configuration.\u003c\/p\u003e","products":[{"product_id":"tsa760-h7-1-1-4-inch-tubular-shaft-assembly-60-inch-overall-length","title":"TSA760 - H7 1-1\/4 Inch Tubular Shaft Assembly 60 Inch Overall Length","description":"\u003cp\u003eBuyers Products H7 1-1\/4 In. Tubular Shaft Assembly can fulfill a variety of coupling applications due to its customizable length and medium duty torque rating. Torque transfer is smooth and continuous. The assembly comes to you unwelded so that it can be easily cut to length. Buy as a whole assembly, or choose the component that will fulfill your needs. The tubular shaft assembly includes a slip yoke and splined stub kit, two journal assemblies, and tube and weld yoke. Assembly can be used with a midship stub in order to extend the coupling.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e55.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eJournal Assembly Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5170BXA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e60.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eH7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSlip Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e7381\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eStub Shaft Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e46.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eTS760\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eAdvanced Technical Overview: Buyers Products H7 1-1\/4 Inch Tubular Shaft Assembly\u003c\/h2\u003e\u003cp\u003eThe Buyers Products H7 1-1\/4 Inch Tubular Shaft Assembly, with an overall length of 60 inches, represents a meticulously engineered component designed to facilitate robust and efficient torque transmission across diverse mechanical systems. As a critical element within a driveline system, this assembly is engineered to bridge rotational gaps, accommodate angular misalignments, and manage axial length variations while ensuring seamless and continuous power flow. Its modular design, featuring an unwelded configuration, provides unparalleled flexibility for integration into custom applications, enabling precise adaptation to specific operational requirements and structural envelopes. The H7 series designation signifies adherence to established performance standards, positioning this assembly as a reliable solution for medium-duty coupling scenarios where sustained performance and durability are paramount.\u003c\/p\u003e\u003ch3\u003eDriveline System Fundamentals and the Role of the Tubular Shaft Assembly\u003c\/h3\u003e\u003cp\u003eA driveline system is a complex arrangement of components responsible for transmitting rotational power from a prime mover (e.g., an engine or motor) to a driven component (e.g., an axle, pump, or conveyor). At its core, the tubular shaft assembly serves as the primary conduit for this torque transfer. Its design must effectively manage not only the torsional forces inherent in power transmission but also dynamic factors such as angular velocity variations, axial thrusts, and vibrations. The integrity and performance of the entire mechanical system are profoundly dependent on the quality and appropriate specification of its driveline components. The H7 1-1\/4 inch tubular shaft assembly is purpose-built to meet these stringent demands, offering a balanced combination of strength, flexibility, and operational efficiency within its medium-duty classification.\u003c\/p\u003e\u003cp\u003eThe tubular construction of the shaft itself is a key engineering decision. A tubular shaft, in contrast to a solid shaft of equivalent outer diameter, offers a superior strength-to-weight ratio. This design optimizes the polar moment of inertia for a given material volume, allowing it to resist torsional stresses more effectively with reduced mass. The hollowing out concentrates material further from the neutral axis, where it contributes most to torsional stiffness. This reduction in mass is crucial for minimizing rotational inertia, which enhances system responsiveness and reduces energy losses, while simultaneously decreasing the overall weight of the vehicle or machinery, contributing to improved fuel efficiency or operational costs. The specified 1-1\/4 inch diameter refers to a critical dimension that influences both the torsional strength and compatibility with other driveline components, particularly the yokes.\u003c\/p\u003e\u003ch3\u003eDetailed Analysis of Key Components\u003c\/h3\u003e\u003ch4\u003eJournal Assemblies (Universal Joints)\u003c\/h4\u003e\u003cp\u003eThe H7 assembly includes two journal assemblies, specified by part number 5170BXA. These are precisely manufactured universal joints (U-joints), the fundamental mechanism for accommodating angular misalignment between connected shafts. Each journal assembly consists of a cross-shaped body (the spider) with four trunnions, upon which needle roller bearings are seated within bearing cups. These cups are pressed into the bores of the yokes, allowing for angular articulation while maintaining a robust connection for torque transfer. The selection of needle roller bearings is critical as they provide high load capacity, low friction, and excellent service life, particularly under oscillating or intermittent motion. The integrity of the bearing seals is also paramount in preventing contamination and retaining lubrication, which are vital for extending the operational life of the U-joint.\u003c\/p\u003e\u003cp\u003eThe proper phasing of these universal joints is a critical aspect of driveline design to ensure smooth and continuous torque transfer. When two U-joints are used in series, their yokes must be oriented correctly (typically in phase or 90 degrees out of phase, depending on the application) to cancel out the inherent angular velocity fluctuations produced by a single U-joint operating at an angle. This ensures that the output shaft rotates at a constant angular velocity, matching the input, thereby preventing torsional vibrations that could lead to noise, premature wear, and structural fatigue throughout the system. The 55.0-inch \"Center of Journal Assembly to Center of Journal Assembly Length\" specification refers to the precise distance between the rotational centers of these two U-joints, a critical parameter for driveline angle calculations and proper system geometry.\u003c\/p\u003e\u003ch4\u003eSlip Yoke and Splined Stub Kit\u003c\/h4\u003e\u003cp\u003eThe assembly incorporates a slip yoke (part number 7381) and a splined stub kit (part number SS), which together form a crucial mechanism for accommodating axial length changes within the driveline. In many applications, such as vehicle suspensions or dynamic industrial machinery, the distance between the power source and the driven component can vary during operation. The slip yoke, typically connected to the transmission or transfer case, features internal splines that mate with the external splines of the stub shaft. This splined interface allows for controlled telescoping action, enabling the driveline to lengthen or shorten smoothly without disengaging torque transfer. The precise machining of these splines is essential to minimize backlash, prevent binding, and ensure efficient power transmission while allowing for unrestricted axial movement. Lubrication of the splined interface is also vital to prevent fretting corrosion and ensure smooth operation over the operational lifespan.\u003c\/p\u003e\u003ch4\u003eTube and Weld Yoke\u003c\/h4\u003e\u003cp\u003eThe \"Tube and Weld Yoke\" component (part number TS760) is the central structural element of the driveline shaft. With a length of 46.5 inches, this component provides the main torsional strength and rigidity to the assembly. It consists of the tubular shaft itself, with one end pre-fitted with a weld yoke. The weld yoke is specifically designed to be permanently attached to the tubular shaft via a welding process. This weld yoke features bores for mounting the bearing cups of one of the journal assemblies. The material selection for the tube is typically high-strength steel, often cold-drawn or hot-rolled, chosen for its yield strength, fatigue resistance, and weldability. The precise concentricity and straightness of the tube are critical to prevent dynamic imbalance, which can lead to severe vibrations at operational speeds. The unwelded nature of the opposite end of the tube and the inclusion of a separate weld yoke in the kit allow for custom cutting and welding, catering to diverse application lengths.\u003c\/p\u003e\u003ch3\u003eMaterial Science, Manufacturing, and Quality Assurance\u003c\/h3\u003e\u003cp\u003eThe performance and longevity of the H7 tubular shaft assembly are inherently linked to the quality of its materials and manufacturing processes. Components are typically forged or cast from high-grade alloy steels, selected for their specific mechanical properties such as tensile strength, yield strength, and resistance to fatigue. Heat treatment processes, including quenching and tempering, are applied to optimize the microstructure of the steel, enhancing its hardness, toughness, and wear resistance, particularly in critical areas like the journal trunnions and spline teeth. Surface treatments may also be employed to improve corrosion resistance or reduce friction.\u003c\/p\u003e\u003cp\u003ePrecision machining is vital for all components. Tolerances are held to extremely tight specifications to ensure proper fitment, minimize backlash, and facilitate smooth operation. For instance, the concentricity of the tube and the precise alignment of the yoke bores are critical for maintaining balance and minimizing vibration. Dynamic balancing is a crucial manufacturing step for the assembled shaft. Imbalances, even minute ones, can generate significant centrifugal forces at high rotational speeds, leading to destructive vibrations, noise, and premature wear on bearings and other driveline components. Assemblies are typically balanced to ISO or equivalent standards to ensure optimal performance across their intended operating speed range.\u003c\/p\u003e\u003ch3\u003eMedium Duty Torque Rating and Application Scope\u003c\/h3\u003e\u003cp\u003eThe designation \"medium duty torque rating\" signifies that the H7 1-1\/4 Inch Tubular Shaft Assembly is engineered for applications that impose moderate but consistent torsional loads. This rating implies specific design considerations regarding the size of the universal joints, the strength of the tubular shaft material, and the spline engagement. Such assemblies are typically suited for a range of industrial and commercial applications that do not require the extreme load capacities of heavy-duty drivelines, nor are they limited to the very light loads of precision instrumentation. Examples include various power take-off (PTO) applications on agricultural machinery, auxiliary drives on light and medium commercial vehicles, industrial pumps, mixers, conveyors, and certain off-highway equipment. Understanding the specific torque requirements, peak loads, and operational duty cycle of the target application is paramount when selecting this assembly, ensuring that its medium-duty rating aligns with the system’s demands to prevent overload and premature failure.\u003c\/p\u003e\u003ch3\u003eCustomization, Adaptability, and Extended Configurations\u003c\/h3\u003e\u003cp\u003eA significant advantage of the H7 tubular shaft assembly is its inherent customizability, facilitated by its unwelded state. The shaft and one weld yoke are provided separately from the other components, allowing the user or fabricator to precisely cut the tube to the exact required length for their specific application. This capability eliminates the need for extensive inventory of various fixed-length shafts and enables bespoke driveline solutions. Following cutting, professional welding of the remaining weld yoke to the tube is required. This process must be performed by qualified personnel using appropriate welding techniques to maintain the structural integrity and concentricity of the shaft. Post-welding, dynamic balancing is highly recommended to ensure smooth operation and prevent vibrational issues.\u003c\/p\u003e\u003cp\u003eFurthermore, the assembly's adaptability is extended by its compatibility with a midship stub. A midship stub is typically employed in longer driveline configurations to break a single, excessively long shaft into two shorter sections, connected by an intermediate bearing support. This design approach is critical for managing critical speed limitations, preventing shaft whip, and reducing sag in extended drivelines. By utilizing a midship stub, the H7 assembly can be integrated into multi-piece driveline systems, allowing for the transmission of power over greater distances or around complex structural obstacles, enhancing the versatility and application range of the product within larger machinery or vehicle platforms.\u003c\/p\u003e\u003ch3\u003eAchieving Smooth and Continuous Torque Transfer\u003c\/h3\u003e\u003cp\u003eThe promise of \"smooth and continuous torque transfer\" is a testament to the meticulous engineering behind the H7 assembly. This characteristic is achieved through several interdependent design and manufacturing principles. Firstly, the selection and precise machining of the journal assemblies (U-joints) ensure minimal play and efficient angular articulation. Secondly, the proper phasing of these U-joints within the driveline configuration is critical to counteract the inherent velocity fluctuations of single cardan joints, thereby delivering a constant output velocity. Thirdly, the aforementioned dynamic balancing of the entire rotating assembly mitigates vibrations caused by mass eccentricities. Lastly, the smooth engagement and minimal backlash of the splined slip yoke mechanism allow for axial movement without interrupting the flow of power or introducing undesirable jarring. Adherence to these principles ensures that power is delivered efficiently, quietly, and without generating harmful torsional oscillations throughout the system.\u003c\/p\u003e\u003ch3\u003eInstallation and Maintenance Best Practices\u003c\/h3\u003e\u003cp\u003eProper installation is paramount for realizing the full performance potential and longevity of the H7 tubular shaft assembly. Key considerations include: ensuring correct driveline angles to minimize U-joint working angles and prolong component life; professional welding of the custom-cut tube and weld yoke, followed by dynamic balancing; proper lubrication of the slip yoke splines and journal assemblies using manufacturer-recommended greases; and meticulous alignment of all connected components. Routine maintenance, including periodic inspection of U-joints for wear, end play, or seal integrity, and relubrication according to service schedules, is essential. Early detection of wear or damage can prevent catastrophic failure and significantly extend the service life of the entire driveline system, minimizing downtime and operational costs.\u003c\/p\u003e\u003ch3\u003eElaborating on Technical Specifications\u003c\/h3\u003e\u003cp\u003eThe provided specifications are fundamental for engineers and technicians to correctly integrate and apply the H7 assembly. The \"Center of Journal Assembly to Center of Journal Assembly Length\" of 55.0 inches defines the critical operating length between the U-joints, which directly impacts driveline angle calculations and resonant frequency analysis. The \"Overall Length\" of 60.00 inches gives the maximum extension from the tip of the slip yoke to the end of the weld yoke, offering a clear dimensional envelope. The \"Series: H7\" categorizes the assembly within Buyers Products' product lines, indicating a specific performance class and interchangeability. Individual part numbers (e.g., Journal Assembly Part Number: 5170BXA, Slip Yoke Part Number: 7381, Tube and Weld Yoke Part Number: TS760, Stub Shaft Part Number: SS) are crucial for ordering replacement parts, ensuring compatibility, and facilitating precise identification within inventory and maintenance records. The \"Tube and Weld Yoke Length\" of 46.5 inches provides a baseline for customization, indicating the initial segment length before the customer-defined cut.\u003c\/p\u003e\u003ch3\u003eConclusion\u003c\/h3\u003e\u003cp\u003eThe Buyers Products H7 1-1\/4 Inch Tubular Shaft Assembly stands as a testament to thoughtful engineering, providing a highly adaptable and robust solution for medium-duty torque transmission requirements. Its modular construction, featuring an unwelded tube for custom length adjustments, coupled with high-quality universal joints, a reliable slip yoke mechanism, and a precisely engineered tube and weld yoke, ensures optimal performance across a spectrum of industrial and commercial applications. The focus on smooth and continuous torque transfer, combined with the flexibility for extended configurations via midship stubs, underscores its value in demanding mechanical systems. By offering a comprehensive assembly that prioritizes both performance and customization, the H7 series empowers engineers and system integrators to achieve efficient, durable, and precisely tailored driveline solutions.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449333567859,"sku":"TSA760","price":138.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/TSA760_front_c1fe4635-4eac-4ff4-92c1-e2e9f7829bda.jpg?v=1768842227"},{"product_id":"tsa772-h7-1-1-4-inch-tubular-shaft-assembly-72-inch-overall-length","title":"TSA772 - H7 1-1\/4 Inch Tubular Shaft Assembly 72 Inch Overall Length","description":"\u003cp\u003eBuyers Products H7 1-1\/4 In. Tubular Shaft Assembly can fulfill a variety of coupling applications due to its customizable length and medium duty torque rating. Torque transfer is smooth and continuous. The assembly comes to you unwelded so that it can be easily cut to length. Buy as a whole assembly, or choose the component that will fulfill your needs. The tubular shaft assembly includes a slip yoke and splined stub kit, two journal assemblies, and tube and weld yoke. Assembly can be used with a midship stub in order to extend the coupling.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e67.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eJournal Assembly Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5170BXA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e72.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eH7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSlip Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e7381\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eStub Shaft Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e58.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eTS772\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eThe Buyers Products H7 1-1\/4 Inch Tubular Shaft Assembly, with an overall length of 72 inches, represents a meticulously engineered solution for a diverse array of medium-duty power transmission applications. This comprehensive assembly is designed to facilitate robust and reliable torque transfer across varying angular misalignments and axial displacements, making it an indispensable component in industrial, agricultural, and commercial machinery. Its inherent design prioritizes not only performance and durability but also exceptional versatility through its customizable length and modular component structure, providing significant advantages for both original equipment manufacturers (OEMs) and aftermarket service providers. The H7 series signifies a commitment to high-quality materials and precision manufacturing, ensuring operational efficiency and extended service life.\u003c\/p\u003e\u003cp\u003eCentral to the functionality of this assembly is its tubular shaft design. A 1-1\/4 inch tubular shaft offers a superior strength-to-weight ratio compared to a solid shaft of equivalent torsional rigidity. This design choice results in reduced rotational inertia, which is beneficial for systems requiring rapid acceleration or deceleration, and lowers the overall weight of the driveline. The tubular construction also significantly raises the critical speed of the shaft, mitigating vibrational issues that can lead to premature wear and failure in longer shaft configurations. Constructed from high-strength steel alloy, the tube is precisely formed to ensure concentricity and straightness, critical factors for minimizing imbalance and vibration during high-speed rotation. The \"unwelded\" delivery state of the assembly is a crucial feature, allowing end-users to precisely cut the shaft to their exact application-specific length requirements. This eliminates the need for stocking multiple shaft lengths, optimizing inventory management and reducing lead times for custom applications. The process involves precise measurement, clean cutting, and subsequent welding of the end yokes to the tube, which must be performed by qualified personnel adhering to established welding protocols to maintain structural integrity and balance.\u003c\/p\u003e\u003cp\u003eThe H7 Tubular Shaft Assembly integrates several key components, each playing a vital role in the overall system's performance. The inclusion of a slip yoke and splined stub kit addresses the fundamental requirement for axial movement compensation within a driveline system. In applications involving dynamic loads, such as vehicle suspensions or thermal expansion\/contraction in industrial settings, the slip yoke allows for the necessary changes in shaft length without inducing detrimental axial forces on bearings or mounting points. The splined interface, typically employing an involute or straight-sided spline profile, ensures smooth and low-friction engagement, facilitating efficient power transmission while allowing for telescoping action. The splines are precision-machined and often surface-treated to reduce wear and friction, ensuring continuous, bind-free operation over extended periods. Regular lubrication of the splines is crucial for maintaining optimal performance and preventing galling, particularly under heavy load or significant axial travel.\u003c\/p\u003e\u003cp\u003eTwo journal assemblies, commonly referred to as universal joints or U-joints, form the heart of the H7 assembly's ability to transmit torque through varying angles. These components, identified by part number 5170BXA, consist of a cross-shaped spider with four trunnions, each supported by a set of needle roller bearings housed within bearing cups. This design permits angular articulation between the input and output shafts while maintaining continuous rotational power transfer. Needle roller bearings are chosen for their high load capacity in a compact envelope and their ability to operate efficiently under oscillating motion. Proper lubrication of these journal assemblies is paramount to their longevity; integrated grease zerks allow for routine maintenance, flushing out contaminants and replenishing the lubricant supply to minimize friction and wear on the bearing surfaces. The specific design and material selection for the 5170BXA journal assemblies are optimized for the medium-duty torque rating of the H7 series, ensuring reliability even under demanding operational conditions and varying angular displacements. Engineers must consider the maximum operating angle for these joints, as exceeding recommended angles can lead to accelerated wear, increased vibration, and potential failure due to fluctuating angular velocities.\u003c\/p\u003e\u003cp\u003eThe tube and weld yoke, with part number TS772 and a length of 58.5 inches, represents the primary structural element that connects the journal assemblies and transmits the rotational force. The weld yoke component is specifically designed to be permanently affixed to the tubular shaft. The choice of material for both the tube and the weld yoke is critical, typically high-strength steel alloys that can withstand torsional stresses, fatigue, and environmental factors. Precision manufacturing ensures that the weld yoke aligns perfectly with the tube and the universal joint, minimizing run-out and facilitating proper balancing. The welding process for attaching the weld yokes to the tubular shaft requires expert execution. It's crucial to employ appropriate welding techniques (e.g., MIG, TIG) and filler materials compatible with the shaft's steel alloy to create strong, defect-free welds. Improper welding can introduce stress concentrations, distort the shaft, or weaken the material in the heat-affected zone, leading to premature failure. Post-welding, dynamic balancing of the entire assembly is highly recommended, especially for applications involving higher rotational speeds, to eliminate vibrations and ensure smooth, continuous torque transfer throughout its operational life. The 72-inch overall length specified for the assembly refers to the maximum length of the unwelded components, providing ample material for customization down to the required 67.0-inch center of journal assembly to center of journal assembly length, or even shorter if desired.\u003c\/p\u003e\u003cp\u003eThe H7 1-1\/4 Inch Tubular Shaft Assembly finds extensive utility across a broad spectrum of applications. In the agricultural sector, it is ideal for power take-off (PTO) drive lines on tractors, implements, and harvesting equipment, where robust power transfer and adaptability to varying terrains are essential. For industrial machinery, these assemblies are utilized in conveyor systems, material handling equipment, pumps, and mixers, providing reliable power transmission in demanding environments. Medium-duty commercial vehicle drivelines, particularly for auxiliary equipment or specialized truck bodies, also benefit from the H7 series' durable construction and customizable length. The ability to integrate a midship stub is particularly valuable for applications requiring significantly longer driveline spans. A midship stub allows for a multi-piece driveshaft design, which can prevent critical speed issues associated with long, single-piece shafts by effectively breaking the shaft into shorter, more manageable sections, each operating below its critical speed. This approach significantly enhances the stability and operational longevity of extended driveline systems.\u003c\/p\u003e\u003cp\u003eThe \"medium duty torque rating\" of the H7 assembly indicates its capacity to reliably transmit significant power levels without compromise. This rating is a function of the material strength of the tube and yokes, the design and robustness of the journal assemblies (part number 5170BXA), and the integrity of the splined connection (slip yoke 7381 and stub shaft SS). Engineers selecting this assembly can anticipate consistent performance in applications that demand a balance of power, durability, and cost-effectiveness. The promise of \"smooth and continuous torque transfer\" is not merely an operational convenience; it is a critical performance metric that impacts the efficiency and lifespan of connected machinery. This is achieved through precision manufacturing tolerances, ensuring concentricity and balance, combined with the inherently smooth power transmission characteristics of the universal joints. Proper installation, including correct angular alignment of the U-joints, is vital to achieving this smooth operation and preventing torsional vibrations that can lead to premature wear in other driveline components.\u003c\/p\u003e\u003cp\u003eThe modularity of the Buyers Products H7 assembly offers significant advantages. While available as a complete, unwelded assembly, the option to purchase individual components (e.g., specific journal assemblies, slip yokes, or tube and weld yokes) provides unparalleled flexibility. This allows for targeted repairs, reducing downtime and maintenance costs, as only the worn or damaged component needs to be replaced rather than the entire shaft. Furthermore, it supports custom fabrications where a designer might require specific yokes or spline configurations while utilizing the robust H7 series journal assemblies and tubular shaft stock. This component-level availability underscores the long-term serviceability and adaptability of the H7 system, ensuring that it remains a viable solution for years after initial installation. The precise part numbers provided (Journal Assembly Part Number 5170BXA, Slip Yoke Part Number 7381, Stub Shaft Part Number SS, Tube and Weld Yoke Part Number TS772) facilitate accurate ordering and ensure compatibility within the H7 series ecosystem.\u003c\/p\u003e\u003cp\u003eIn conclusion, the Buyers Products H7 1-1\/4 Inch Tubular Shaft Assembly with its 72-inch overall length is a sophisticated and robust power transmission solution engineered for reliability and adaptability. Its innovative unwelded design facilitates precise customization for a wide range of medium-duty applications, while its modular construction ensures ease of maintenance and component replacement. From the high strength-to-weight ratio of its tubular shaft to the durable performance of its journal assemblies and the axial compensation provided by the slip yoke system, every aspect of this assembly is meticulously designed to deliver smooth, continuous torque transfer and exceptional longevity. This product represents an investment in operational efficiency, reduced downtime, and versatile application capability, making it an optimal choice for discerning engineers and maintenance professionals seeking a high-performance driveline component.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449333633395,"sku":"TSA772","price":148.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/TSA772_profile.jpg?v=1768842228"},{"product_id":"b9553sf-b1310-2-inch-tubular-shaft-assembly-48-inch","title":"B9553SF - B1310 2 Inch Tubular Shaft Assembly 48 Inch","description":"\u003cp\u003eBuyers Products B1310 2 Inch Tubular Shaft Assembly can fulfill a variety of coupling applications due to its customizable length and heavy torque rating. Torque transfer is smooth and continuous, and the assembly comes to you unwelded so that it can be easily cut to length.    Buy as a whole assembly, or choose the component that will fulfill your needs. The tubular shaft assembly includes a splined slip yoke, two journal assemblies, splined stub shaft, and tube weldment with yoke welded on one end.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e55.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eDescription\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB1310 Tubular Shaft Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eJournal Assembly Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5153XBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e60.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB1310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSlip Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB23128KX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eStub Shaft Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB2401031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e49.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB228357TY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Buyers Products B1310 2 Inch Tubular Shaft Assembly, with its nominal 48-inch tube length, represents a robust and versatile solution engineered for demanding power transmission applications across a diverse range of industries. This comprehensive assembly is meticulously designed to facilitate efficient, smooth, and continuous torque transfer, making it an indispensable component in complex mechanical systems requiring adaptability and high performance. Its unique attribute of arriving unwelded for precise length customization sets it apart, offering unparalleled flexibility for original equipment manufacturers (OEMs) and aftermarket service providers.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Engineering and Design for Superior Performance\u003c\/h3\u003e\n\u003cp\u003eThe core of the B1310 assembly's exceptional performance lies in its thoughtful engineering, which addresses critical parameters such as torque capacity, dynamic balancing, and structural integrity. The \"2 Inch Tubular Shaft\" designation refers to the outside diameter of the primary torque-transmitting tube, a dimension selected to provide an optimal balance between torsional rigidity and weight efficiency. The B1310 series signifies adherence to industry standards for universal joint and driveline components, ensuring compatibility and interchangeability with other B1310 series parts, while also indicating a specific class of torque capacity and dimensional characteristics.\u003c\/p\u003e\n\n\u003ch4\u003eHigh Torque Rating: The Foundation of Reliability\u003c\/h4\u003e\n\u003cp\u003eA central feature of the B1310 assembly is its heavy torque rating. This specification is a testament to the robust material selection and precision manufacturing processes employed. The heavy torque rating implies that the shaft assembly is capable of transmitting substantial rotational forces without experiencing premature failure due to yield, fatigue, or catastrophic fracture. This capability is critical in applications where high power outputs are common, such as heavy-duty truck drivelines, agricultural machinery power take-offs (PTOs), industrial conveyors, construction equipment, and specialty utility vehicles. The design considers peak transient torques, which can often exceed continuous operating torques, ensuring a substantial safety margin under dynamic loading conditions. Factors contributing to this heavy torque rating include the high-strength steel alloys utilized for the yokes and stub shaft, the specific geometric profile of the splines for optimal load distribution, and the robust construction of the universal joints (journal assemblies) designed to withstand high stress concentrations and wear.\u003c\/p\u003e\n\n\u003ch4\u003eSmooth and Continuous Torque Transfer: Mitigating Driveline Vibrations\u003c\/h4\u003e\n\u003cp\u003eThe principle of smooth and continuous torque transfer is paramount for driveline efficiency and longevity. Intermittent or uneven torque delivery can lead to excessive vibrations, noise, accelerated wear on components, and even structural damage to connected machinery. The B1310 achieves this critical attribute through the synergistic interaction of its key components: the splined slip yoke, two journal assemblies (universal joints), and the splined stub shaft. The design ensures that angular velocity variations inherent in universal joint operation are minimized, especially when operating within recommended angularities. Proper phasing of universal joints (i.e., aligning the yokes correctly) is crucial for this smooth transfer, and the unwelded nature of the tube allows for precise component orientation during customization and assembly. Furthermore, the selection of high-quality journal assemblies with precision-machined bearing surfaces and effective sealing mechanisms minimizes friction and ensures consistent rotational performance.\u003c\/p\u003e\n\n\u003ch3\u003eComponent Breakdown: Engineering for Modularity and Performance\u003c\/h3\u003e\n\u003cp\u003eThe B1310 Tubular Shaft Assembly is a composite unit, meticulously engineered from several interconnected components, each playing a vital role in its overall function. Understanding these individual elements is key to appreciating the assembly’s versatility and performance.\u003c\/p\u003e\n\n\u003ch4\u003e1. Splined Slip Yoke (Part Number: B23128KX)\u003c\/h4\u003e\n\u003cp\u003eThe splined slip yoke is a critical interface component designed to accommodate axial length changes in the driveline. These changes commonly occur due to suspension travel in vehicles, thermal expansion and contraction, or frame flex. The B23128KX slip yoke features an internally splined bore that mates with the externally splined stub shaft. The splines are typically involute in design, offering superior strength, smooth engagement, and even load distribution compared to straight-sided splines. The \"slip\" functionality refers to its ability to slide along the stub shaft while transmitting torque, thereby preventing undue compressive or tensile stresses on other driveline components. This movement is facilitated by precision machining and, ideally, by proper lubrication within the splined interface. The material typically used for slip yokes is a high-strength forged steel, heat-treated to resist wear and torsional stresses. Effective sealing around the slip yoke prevents contaminants from entering the splined connection and retains lubricating grease, ensuring long-term, low-friction operation.\u003c\/p\u003e\n\n\u003ch4\u003e2. Journal Assemblies (Universal Joints) (Part Number: 5153XBA)\u003c\/h4\u003e\n\u003cp\u003eThe B1310 assembly includes two journal assemblies, commonly known as universal joints or U-joints (Part Number 5153XBA). These components are fundamental for transmitting torque between shafts that operate at an angle to each other. Each journal assembly consists of a cross (spider) with four trunnions, on which needle roller bearings are mounted. These bearings are housed within cups that press-fit into the yokes of the shaft. The needle bearings are crucial for their high load capacity in a compact form factor, their ability to operate under varying angularities, and their low friction characteristics. The 5153XBA journal assembly is specified for its robust design, incorporating high-quality bearing steels and effective grease seals that protect the internal needle bearings from moisture and contaminants while retaining lubrication. Regular lubrication through a grease fitting, common in these components, is essential for maximizing service life and preventing premature wear, which can manifest as vibrations or \"clunking\" noises.\u003c\/p\u003e\n\n\u003ch4\u003e3. Splined Stub Shaft (Part Number: B2401031)\u003c\/h4\u003e\n\u003cp\u003eThe splined stub shaft (Part Number B2401031) serves as the mating component for the splined slip yoke. It features external splines that engage with the internal splines of the slip yoke, providing the torsional connection while allowing axial movement. Similar to the slip yoke, the stub shaft is typically manufactured from high-strength alloy steel, often through forging, followed by precision machining and heat treatment to achieve optimal hardness and wear resistance on the spline teeth. The concentricity and dimensional accuracy of the splines are critical to ensure smooth engagement and uniform load distribution, minimizing backlash and extending the life of both the stub shaft and the slip yoke. The length and diameter of the stub shaft are engineered to provide adequate spline engagement throughout the operational range of axial movement, preventing spline disengagement under dynamic conditions.\u003c\/p\u003e\n\n\u003ch4\u003e4. Tube Weldment with Yoke Welded on One End (Part Number: B228357TY)\u003c\/h4\u003e\n\u003cp\u003eThe main body of the shaft assembly is the tube weldment (Part Number B228357TY). This component consists of a heavy-duty tubular section with one yoke factory-welded to one end. The tube itself is engineered for high torsional strength and rigidity, resisting twisting and bending stresses during torque transmission. Typically made from cold-drawn mechanical tubing (CDMT) or an equivalent high-strength steel, its wall thickness and diameter are specified to meet the B1310 series' torque capacity. The factory-welded yoke ensures a precise, high-integrity connection on one end, established under controlled manufacturing conditions to minimize run-out and ensure proper balance. The critical advantage of this component is its unwelded nature on the other end, allowing the customer or installer to cut the tube to the exact required length for a specific application. This customization capability is a significant benefit, reducing inventory needs for various fixed-length shafts and enabling precise fitment in unique driveline configurations. After cutting, a corresponding yoke is then welded to the second end, and the entire assembly is typically balanced to prevent critical speed vibrations.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Specifications and Their Significance\u003c\/h3\u003e\n\u003cp\u003eThe provided specifications offer critical engineering data for proper application and integration of the B1310 assembly:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCenter of Journal Assembly to Center of Journal Assembly Length (55.8 inches):\u003c\/strong\u003e This measurement, often referred to as the \"operating length\" or \"C-to-C\" length, represents the distance between the centers of the two universal joints when the shaft is fully compressed or at a standard operating position. For the B1310, 55.8 inches signifies a common minimum or nominal operating length. This dimension is crucial for calculating driveline angles, critical speeds, and ensuring proper clearance within the chassis or machine structure. Incorrect operating lengths can lead to excessive U-joint angles, binding, or inadequate slip yoke engagement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverall Length (60.00 inches):\u003c\/strong\u003e The overall length denotes the total physical dimension of the complete shaft assembly, from end to end, including yokes, when fully assembled. This measurement is important for shipping, storage, and initial fitment checks. It is typically slightly longer than the C-to-C length due to the dimensions of the yokes themselves.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries (B1310):\u003c\/strong\u003e As mentioned, \"B1310\" categorizes the assembly within a specific industry standard or manufacturer's series, dictating the universal joint size (cross and bearing dimensions) and the associated torque capacity. This series is often equivalent or comparable to other industry standards, ensuring broad interchangeability and application knowledge.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTube and Weld Yoke Length (49.5 inches):\u003c\/strong\u003e This specific length refers to the primary tubular component with one yoke already factory-welded. Knowing this dimension is vital for the customization process. It tells the installer the maximum available tube length before cutting, allowing for precise calculation of the required cut-down to achieve a desired overall or C-to-C length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications and Industry Relevance\u003c\/h3\u003e\n\u003cp\u003eThe B1310 2 Inch Tubular Shaft Assembly's design attributes make it highly suitable for a broad spectrum of heavy-duty and industrial applications:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Commercial Vehicles:\u003c\/strong\u003e Primarily used as drive shafts in medium to heavy-duty trucks, buses, and utility vehicles, transmitting power from the transmission to the differential. The customizable length is especially beneficial for fleet maintenance and specialized vehicle conversions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAgricultural Machinery:\u003c\/strong\u003e Employed in various implements and tractors for power take-off (PTO) applications, transferring power to balers, mowers, choppers, and other towed or mounted equipment. The robust torque rating handles the demanding loads of farm work.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConstruction Equipment:\u003c\/strong\u003e Found in machinery such as excavators, wheel loaders, backhoes, and articulated dump trucks, often in drivelines or auxiliary power systems where durability and high torque capacity are essential.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Power Transmission:\u003c\/strong\u003e Utilized in factory automation, material handling systems, paper mills, steel mills, and other industrial settings for transmitting power between various components of machinery, often requiring customized lengths for specific layouts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine Applications:\u003c\/strong\u003e In certain marine propulsion systems or auxiliary drives, where robust and reliable torque transfer is necessary under challenging environmental conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpecialty Vehicles:\u003c\/strong\u003e Custom-built vehicles, off-road equipment, and military applications that demand highly reliable and adaptable driveline components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCustomization, Installation, and Maintenance Considerations\u003c\/h3\u003e\n\u003cp\u003eThe unwelded configuration of the B1310 assembly offers significant advantages but also necessitates adherence to specific engineering best practices during customization and installation:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Cutting:\u003c\/strong\u003e When cutting the tube to length, extreme precision is required to ensure that the final C-to-C length is accurate. Imperfections can lead to misalignment and premature component wear.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWelding Quality:\u003c\/strong\u003e The subsequent welding of the second yoke to the cut tube must be performed by certified welders using appropriate welding procedures (e.g., MIG, TIG, or stick welding) suitable for the specified steel alloys. The weld joint must possess full penetration and be free of defects to withstand torsional and bending stresses. Distortion control during welding is paramount to maintain concentricity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDynamic Balancing:\u003c\/strong\u003e After welding, it is highly recommended to dynamically balance the entire shaft assembly. Unbalanced shafts operating at high rotational speeds can generate significant vibrations, leading to discomfort, noise, and accelerated wear on U-joints, bearings, and other driveline components. Balancing involves adding or removing material to ensure uniform mass distribution around the rotational axis.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhasing of Universal Joints:\u003c\/strong\u003e Correct phasing, where the yokes on either end of the shaft are aligned correctly (typically in phase for two U-joint shafts), is crucial for smooth torque transfer and minimizing speed fluctuations.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLubrication:\u003c\/strong\u003e Regular lubrication of the journal assemblies and slip yoke is vital. Following manufacturer-recommended lubrication schedules and using the specified type of grease will extend the operational life of these components significantly, preventing friction, heat build-up, and wear.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInspection:\u003c\/strong\u003e Periodic inspection for wear, damage, or signs of looseness in U-joints, splines, and welds is recommended. Early detection of issues can prevent catastrophic failure and costly downtime.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaterial Science and Manufacturing Excellence\u003c\/h3\u003e\n\u003cp\u003eThe durability and performance of the B1310 assembly are intrinsically linked to the materials chosen and the manufacturing processes employed. Components like yokes and stub shafts are typically forged from high-grade alloy steels (e.g., SAE 4140, 8620) known for their excellent strength-to-weight ratio, toughness, and hardenability. These are often heat-treated (e.g., case hardening for spline surfaces) to enhance wear resistance and fatigue strength. The tubular section is selected for its high torsional yield strength and fatigue limits. Precision machining, especially for spline profiles and bearing surfaces, ensures tight tolerances, smooth operation, and optimal load distribution. Strict quality control at every stage, from material incoming inspection to final assembly, guarantees that each B1310 unit meets rigorous performance and reliability standards.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe Buyers Products B1310 2 Inch Tubular Shaft Assembly is an expertly engineered component designed for the most demanding power transmission tasks. Its heavy torque rating, capability for smooth and continuous torque transfer, and significant customization potential through its unwelded configuration offer unparalleled versatility and reliability. Comprising a meticulously designed splined slip yoke, robust journal assemblies, a durable splined stub shaft, and a high-strength tube weldment, this assembly provides a comprehensive solution for engineers and operators seeking to construct or maintain high-performance drivelines. Its modular design allows for efficient repair and component replacement, ensuring long-term operational efficiency and reduced total cost of ownership across a wide array of industrial, agricultural, and commercial vehicle applications. The B1310 series represents a commitment to quality, adaptability, and sustained performance in critical mechanical systems.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449335075187,"sku":"B9553SF","price":143.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/B9553SF_profile.jpg?v=1768845299"},{"product_id":"b3005874-midship-stub-shaft-for-2in-tube","title":"B3005874 - Midship stub shaft for 2in tube","description":"\u003cp\u003eBuyers Products Midship Stub Shaft can extend the length of an H7 or B1310 Tubular Shaft Assembly in conjunction with a Pillow Block, Woodruff Key, and End Yoke -- all available from Buyers Products   The Midship Stub Shaft economically couples components far away from the power source by extending the shaft assembly with a bearing support in the middle.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eDescription\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eMidship stub shaft for 2in x 0.083in tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB1310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eType\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eStub shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eThe Buyers Products Midship Stub Shaft represents a meticulously engineered component critical to the reliable and efficient operation of extended power transmission systems. Designed specifically to integrate with 2-inch tubular shaft assemblies, this stub shaft facilitates the construction of multi-piece driveshafts, a common requirement in commercial vehicles, heavy-duty industrial machinery, and various other demanding applications where the distance between the power source and the driven component exceeds the practical limits of a single-piece shaft. Its strategic placement, in conjunction with an intermediate bearing support such as a pillow block, effectively mitigates the inherent challenges associated with long driveshafts, primarily critical speed phenomena and excessive vibration, thereby ensuring superior operational stability and extended component longevity. This technical discourse delves into the design, material science, functional integration, and performance advantages of the Buyers Products Midship Stub Shaft, underscoring its pivotal role in advanced driveline architectures.\u003c\/p\u003e\u003cp\u003eThe necessity for midship stub shafts arises directly from the fundamental principles of rotordynamics and structural mechanics concerning long, slender rotating shafts. A single driveshaft of considerable length is susceptible to reaching its critical speed within its normal operating RPM range. Critical speed is a rotational velocity at which the natural frequency of the shaft coincides with the rotational frequency, leading to resonance. This phenomenon results in severe dynamic deflections, known as whirling, and generates excessive vibrations that can rapidly lead to catastrophic component failure, increased noise, and premature wear on universal joints, bearings, and connected machinery. To circumvent these limitations, driveline engineers commonly employ multi-piece driveshaft designs, which essentially divide a long shaft into shorter segments. Each segment is then supported by intermediate bearings, effectively increasing the system's critical speed well beyond the operational range. The Buyers Products Midship Stub Shaft is the linchpin in this strategy, providing a robust and precisely machined interface for these essential intermediate supports and ensuring seamless torque transfer across segmented driveline sections.\u003c\/p\u003e\u003cp\u003eCentral to the performance of any power transmission component are its material composition and manufacturing precision. The Buyers Products Midship Stub Shaft is fabricated from high-grade alloy steel, typically chosen for its superior mechanical properties including high tensile strength, yield strength, and excellent fatigue resistance. Materials such as AISI 4140 or 4340 are commonly employed, renowned for their ability to withstand the rigorous torsional stresses, bending loads, and shock impacts inherent in heavy-duty driveline applications. Beyond material selection, the shaft undergoes sophisticated heat treatment processes. These processes, which may include quenching and tempering, are meticulously controlled to achieve an optimal balance of hardness, toughness, and ductility. Surface hardening techniques, such as induction hardening, are often applied to critical wear areas like the spline teeth and bearing journal surfaces. This selective hardening significantly enhances wear resistance and extends the operational life of the shaft, particularly in areas subjected to high contact pressures and sliding friction during torque transmission and rotational movement. The combination of premium materials and advanced heat treatment ensures that the stub shaft can endure the demanding conditions of continuous operation while maintaining structural integrity over its service life.\u003c\/p\u003e\u003cp\u003ePrecision machining is another non-negotiable aspect of the Midship Stub Shaft’s design and manufacture. Using state-of-the-art CNC machining centers, the shaft is produced to extremely tight dimensional tolerances, ensuring concentricity, perpendicularity, and minimal runout. These precise geometric controls are paramount for several reasons. Firstly, a high degree of concentricity is vital to prevent dynamic imbalance, which could otherwise introduce additional vibrations and stresses into the driveline system. Secondly, the bearing journal surface, designed to interface with the pillow block bearing, requires an exceptionally fine surface finish and precise diameter to ensure proper bearing fit, minimize friction, and maximize bearing life. Any imperfections or deviations can lead to premature bearing failure and increased operational noise. Finally, the critical spline interface, responsible for transmitting torque to the end yoke, demands meticulous machining to ensure optimal engagement. The involute spline profile, typically utilized in high-torque applications like the B1310 series, provides superior load distribution across multiple teeth, reducing stress concentrations and enhancing the overall torque carrying capacity compared to straight-sided splines. This precise fit minimizes backlash, prevents fretting corrosion, and ensures a durable, reliable connection.\u003c\/p\u003e\u003cp\u003eThe specification \"Midship stub shaft for 2in x 0.083in tubing\" highlights the precise compatibility of this component. The 2-inch nominal outside diameter of the tubing is a standard dimension for driveshafts within a certain torque and application range. The 0.083-inch wall thickness (approximately 14-gauge) is carefully selected to provide an optimal balance of strength, stiffness, and weight for the intended application, ensuring that the complete tubular shaft assembly can withstand specified torsional and bending loads without yielding or fatiguing prematurely. The stub shaft's internal splines are designed to precisely match the internal diameter and spline profile of this specific tubing, ensuring a robust interference or transition fit that resists rotational slip and transmits torque efficiently. Furthermore, the \"B1310 Series\" designation refers to a specific universal joint and driveline component standard, typically associated with Spicer or similar industry-standard specifications. The B1310 series dictates the dimensions of the U-joint cross and bearing cups, the yoke ear dimensions, and critically, the spline count and diameter on the end yoke that mates with this stub shaft. This standardization ensures interchangeability and compatibility within established driveline systems, allowing engineers to confidently specify components that work harmoniously together. The \"Overall Length\" of 5 inches is not arbitrary; it is carefully chosen to accommodate the specific dimensions of the corresponding pillow block bearing and end yoke, optimizing the assembly's compact footprint while providing sufficient bearing support and spline engagement length.\u003c\/p\u003e\u003cp\u003eThe functional integration of the Buyers Products Midship Stub Shaft with its complementary components—the Pillow Block, Woodruff Key, and End Yoke—is foundational to its effectiveness. The \u003cstrong\u003ePillow Block\u003c\/strong\u003e, a robust housing for a bearing, is mounted to the vehicle chassis or machinery frame and provides the critical intermediate support for the extended driveshaft. The stub shaft is precisely machined to provide a journal surface that interfaces seamlessly with the inner race of the bearing within the pillow block. This bearing support serves to constrain the driveshaft, limiting its radial deflection and effectively shortening its unsupported span, thereby raising the critical speed of the entire assembly. This is crucial for maintaining operational stability and preventing resonant vibrations. The \u003cstrong\u003eEnd Yoke\u003c\/strong\u003e, designed to accept a universal joint, connects to the stub shaft via its splined bore. The splines on the stub shaft engage with the internal splines of the end yoke, creating a high-strength, positive drive connection that transmits torque while accommodating slight axial movement during operation. The retention of the end yoke on the stub shaft is typically achieved through a retaining nut and washer or snap ring, ensuring the connection remains secure under dynamic loads. The mention of a \u003cstrong\u003eWoodruff Key\u003c\/strong\u003e, while less common for direct spline-to-yoke connections in high-torque drivelines, implies versatility. In certain configurations, a Woodruff key might be employed for specific accessory attachments to the stub shaft or for supplementary rotational locking, depending on the precise design requirements of the complete driveline system. Its inclusion highlights the adaptable design philosophy behind Buyers Products components, catering to a range of custom and standard installations.\u003c\/p\u003e\u003cp\u003eThe operational benefits derived from the strategic deployment of the Buyers Products Midship Stub Shaft are multifaceted and significantly impact the overall performance and cost-efficiency of power transmission systems. By enabling the construction of multi-piece driveshafts, the stub shaft directly contributes to the mitigation of critical speed issues. This ensures that the driveshaft system operates smoothly and quietly, free from the destructive resonant vibrations that plague long, unsupported shafts. Reduced vibration translates directly into enhanced driveline stability, which in turn minimizes the transfer of unwanted forces and movements to adjacent components such as transmissions, differentials, and ultimately, the vehicle or machine frame. This improved stability not only enhances operator comfort by reducing Noise, Vibration, and Harshness (NVH) but also protects expensive downstream components from premature wear and fatigue. The ability to manage and control vibratory energy is a cornerstone of reliable driveline engineering, and the midship stub shaft is an indispensable tool in achieving this objective. Furthermore, by optimizing the distribution of loads across multiple bearing supports, the stub shaft helps to alleviate localized stress concentrations that would otherwise occur in a single long shaft. This load sharing capability contributes significantly to the overall robustness and reliability of the driveline, ensuring sustained performance under rigorous operating conditions.\u003c\/p\u003e\u003cp\u003eBeyond vibration management, the Midship Stub Shaft significantly contributes to increased torque capacity and prolonged component longevity. A multi-piece driveshaft assembly, properly supported by intermediate bearings, can effectively transmit higher levels of torque compared to a single long shaft of equivalent diameter. This is because the bending moments and torsional stresses are distributed more efficiently across the segmented system, allowing each section to operate closer to its optimal design parameters without exceeding its material limits. The precision-engineered spline interface between the stub shaft and the end yoke ensures maximum engagement and minimal backlash, facilitating highly efficient torque transfer with minimal energy loss. This efficiency is critical in applications where maximizing power delivery to the driven components is paramount. The reduction in vibration and critical speed issues, coupled with efficient load distribution, directly translates into an extended service life for all driveline components. Universal joints, often the primary wear items in a driveshaft, experience reduced stress and angular misalignment when the shaft operates smoothly within its design parameters. Similarly, the intermediate bearings themselves, when properly installed and lubricated, benefit from the reduced dynamic loads, ensuring they function reliably for thousands of operating hours. This enhanced longevity minimizes maintenance requirements, reduces downtime, and ultimately lowers the total cost of ownership for equipment operators and fleet managers.\u003c\/p\u003e\u003cp\u003eThe versatility and robust design of the Midship Stub Shaft make it indispensable across a diverse range of industries and applications. In the commercial vehicle sector, it is a standard component in the drivelines of heavy-duty trucks, buses, and vocational vehicles, where long chassis lengths necessitate multi-piece driveshafts to connect transmissions to rear axles or auxiliary power take-offs (PTOs). In agricultural machinery, these shafts are crucial for transmitting power from tractors to implements, such as tillers, harvesters, and sprayers, often across significant distances and through various articulation points. Industrial machinery benefits from midship stub shafts in applications like conveyors, pumps, and specialized manufacturing equipment where robust and stable power transmission is critical for continuous operation. Construction and off-highway equipment, including bulldozers, excavators, and mining vehicles, also rely heavily on multi-piece drivelines to manage the complex power delivery requirements across articulated frames and rugged terrains. The B1310 series compatibility ensures that this Buyers Products component integrates seamlessly into established driveline architectures prevalent in these demanding environments, offering a trusted solution for extending shaft assemblies with reliable intermediate support.\u003c\/p\u003e\u003cp\u003eProper installation and diligent maintenance are crucial for maximizing the performance and lifecycle of the Midship Stub Shaft and the entire driveline system. Technicians must ensure precise alignment—both angular and parallel—of all driveline components during installation to prevent excessive U-joint operating angles and ensure smooth power transmission. Correct phasing of universal joints is equally important to minimize torsional vibrations. Adherence to manufacturer-specified torque values for all fasteners, especially those securing the end yoke and pillow block, is critical for maintaining component integrity and preventing loosening under dynamic loads. Regular inspection of the stub shaft, splines, bearing journals, and associated components for signs of wear, pitting, fretting corrosion, or damage is recommended as part of a comprehensive preventative maintenance program. Timely lubrication of universal joints and pillow block bearings, according to OEM guidelines, also plays a vital role in extending component life. By following these best practices, operators can significantly extend the operational lifespan of their equipment, minimize unscheduled downtime, and ensure consistent, reliable performance throughout the product's lifecycle, thereby optimizing productivity and profitability.\u003c\/p\u003e\u003cp\u003eBuyers Products stands as a trusted provider of high-quality driveline components, and the Midship Stub Shaft is a testament to this commitment. With decades of experience in serving the demanding needs of commercial and industrial applications, Buyers Products understands the critical importance of reliability, durability, and precise engineering. Each midship stub shaft undergoes rigorous quality control checks throughout the manufacturing process, from material inspection to final dimensional verification, ensuring it meets stringent performance standards. The availability of complementary components such as pillow blocks, Woodruff keys, and end yokes from a single, reputable source simplifies procurement and guarantees compatibility, offering a complete, integrated solution for driveline extension and support. This comprehensive approach, combined with a focus on delivering economical yet high-performance parts, makes Buyers Products the preferred choice for engineers and maintenance professionals seeking robust and dependable power transmission solutions. Choosing Buyers Products means investing in components designed to withstand the toughest conditions, delivering long-term value and operational peace of mind.\u003c\/p\u003e\u003cp\u003eIn conclusion, the Buyers Products Midship Stub Shaft for 2-inch tubing is far more than a simple metal component; it is a precisely engineered solution addressing fundamental challenges in extended power transmission. By facilitating multi-piece driveline designs, it effectively mitigates critical speed issues, controls vibration, and enhances the overall stability and longevity of commercial and industrial machinery. Its superior material selection, meticulous manufacturing, and seamless integration with other driveline components underscore its technical sophistication and indispensable role. This stub shaft ensures efficient torque transfer, reduces maintenance requirements, and extends the operational life of the entire system, representing a strategic investment in the reliability and performance of any application demanding robust driveline integrity.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449335140723,"sku":"B3005874","price":35.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/MSS_45_256db368-8673-44ad-8360-82fea7f4c794.jpg?v=1768845213"},{"product_id":"mss-midship-stub-shaft-for-1-1-4in-tube","title":"MSS - Midship stub shaft for 1-1\/4in tube","description":"\u003cp\u003eBuyers Products Midship Stub Shaft can extend the length of an H7 or B1310 Tubular Shaft Assembly in conjunction with a Pillow Block, Woodruff Key, and End Yoke -- all available from Buyers Products   The Midship Stub Shaft economically couples components far away from the power source by extending the shaft assembly with a bearing support in the middle.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eDescription\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eMidship stub shaft for 1-1\/4in OD x 0.095in wall tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5.65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eH7 \/ B1310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eAdvanced Technical Overview: Buyers Products Midship Stub Shaft for 1-1\/4in Tubular Systems\u003c\/h2\u003e\n\n\u003cp\u003eThe Buyers Products Midship Stub Shaft represents a critical component in the design and implementation of extended power transmission systems, specifically engineered for integration with 1-1\/4 inch diameter tubular shaft assemblies. This precision-machined element is indispensable for applications requiring the efficient and reliable transfer of rotational power over distances that exceed the practical limits of a single-piece driveshaft. By facilitating the strategic division of a long driveshaft into multiple, shorter segments supported by intermediate bearings, the midship stub shaft significantly enhances system stability, mitigates vibrational issues, and extends the operational lifespan of the entire driveline.\u003c\/p\u003e\n\n\u003ch3\u003eCore Functionality and System Integration\u003c\/h3\u003e\n\n\u003cp\u003eAt its essence, the Midship Stub Shaft is designed to extend the effective length of a power transmission shaft assembly. It achieves this by providing a robust and precisely dimensioned interface point for an intermediate support bearing, commonly a pillow block bearing. This bearing support is critical for managing the dynamic forces inherent in rotating shafts, particularly over extended lengths. The stub shaft is specifically engineered for seamless integration with H7 or B1310 Series Tubular Shaft Assemblies, which denotes its compatibility with industry-standard universal joint configurations. The incorporation of this component requires several other crucial elements, all meticulously engineered and available from Buyers Products, to form a complete and functional midship assembly: a Pillow Block for bearing support, a Woodruff Key for securing rotational components, and an End Yoke for connecting to the next shaft segment or output component.\u003c\/p\u003e\n\n\u003cp\u003eThe operational principle revolves around the concept of dividing a potentially long, flexible shaft into two or more stiffer, shorter segments. A single, excessively long driveshaft is susceptible to various detrimental phenomena, including critical speed resonance, excessive deflection, and harmonic vibrations, all of which can lead to premature failure and reduced efficiency. By introducing a midship support, the overall system's critical speed is effectively raised, allowing for higher operational speeds without encountering destructive resonances. Furthermore, the intermediate bearing support stabilizes the shaft, reducing bending moments and minimizing shaft \"whipping\" or dynamic instability, thereby ensuring a smoother, more reliable transfer of torque from the power source to the driven components. This modular approach not only enhances performance but also offers economic advantages by utilizing standard, readily available components rather than custom-fabricated, extremely long shafts.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications and Material Science\u003c\/h3\u003e\n\n\u003cp\u003eThe Midship Stub Shaft is meticulously designed for 1-1\/4 inch OD (Outer Diameter) x 0.095 inch wall thickness tubing. This specific dimensional compatibility is paramount for achieving a precise interference fit or weldment, ensuring optimal concentricity and robust torque transmission without slippage or excessive runout. The overall length of the stub shaft, at 5.65 inches, is optimized to provide adequate surface area for connection to the tubular shaft and engagement with the universal joint journal, while also allowing sufficient space for mounting within a pillow block assembly without introducing unnecessary leverage or mass.\u003c\/p\u003e\n\n\u003cp\u003eMaterial selection for such a critical component is dictated by the demanding operational environment of power transmission systems. Typically, these stub shafts are manufactured from high-strength alloy steels, such as AISI 4140 or similar chromium-molybdenum alloys. These materials are chosen for their superior tensile strength, yield strength, and fatigue resistance. To further enhance these properties, the stub shafts undergo a precise heat treatment process, often involving hardening and tempering. This process modifies the microstructure of the steel, increasing its hardness, wear resistance, and toughness, which are crucial for components subjected to continuous torsional and bending stresses. Precision machining, including turning, milling, and grinding, ensures tight tolerances for all mating surfaces, particularly the journal diameters for universal joints and the spline or keyway interfaces. Surface finishes are carefully controlled to minimize friction, improve sealing capabilities, and enhance resistance to corrosion and fretting fatigue, especially in the areas where bearings and other components interface.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility with H7 \/ B1310 Series\u003c\/h3\u003e\n\n\u003cp\u003eThe designation \"H7 \/ B1310 Series\" is critical, as it defines the universal joint specification with which this stub shaft is compatible. These series numbers typically refer to specific universal joint designs and dimensional standards, often cross-referencing to industry benchmarks such as Spicer, Mechanics, or Neapco component families. Understanding this compatibility is vital for proper system design and component selection.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eH7 Series:\u003c\/strong\u003e While specific series designations can vary by manufacturer, an \"H7\" series often implies a universal joint with a certain journal (bearing cup) diameter and overall cross dimension, dictating the torque capacity and speed rating. This series is generally suited for medium-duty applications, providing a balance of strength and compact design. The stub shaft's journal diameters are precision-machined to accommodate the bearing cups of the H7 series universal joint, ensuring a secure and free-moving connection.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eB1310 Series:\u003c\/strong\u003e Similarly, \"B1310\" typically refers to a universal joint series with specific cross dimensions and bearing cup diameters, signifying its particular load-carrying capacity and operational characteristics. The 1310 series is a widely recognized standard in automotive and industrial driveshaft applications, known for its robustness in transmitting moderate to high levels of torque. The stub shaft is engineered to interface seamlessly with the bearing cups of this series, allowing for angular misalignment while efficiently transferring rotational power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe compatibility with both series indicates a versatile design, allowing engineers to select the appropriate universal joint based on the specific torque requirements, operating angles, and expected lifespan of their application. Both series are designed for durability and are capable of handling significant dynamic loads, making them suitable for a wide range of industrial, agricultural, and commercial vehicle applications where the Midship Stub Shaft is commonly employed.\u003c\/p\u003e\n\n\u003ch3\u003eEngineering Principles and Performance Advantages\u003c\/h3\u003e\n\n\u003cp\u003eThe strategic deployment of a midship stub shaft, supported by an intermediate bearing, addresses several fundamental engineering challenges associated with long driveshafts:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCritical Speed Enhancement:\u003c\/strong\u003e A driveshaft, being a rotating beam, possesses a natural frequency at which it will resonate (critical speed). If the operational speed approaches this critical speed, severe vibrations, deflection, and ultimately structural failure can occur. By introducing an intermediate support, the effective length of each individual shaft segment is reduced, which dramatically increases the critical speed of the system. This allows the driveshaft to operate at higher rotational velocities safely and reliably, far below its new, higher critical speed.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVibration Damping and Harmonic Control:\u003c\/strong\u003e Long, unsupported shafts are prone to undesirable harmonic vibrations, which can cause noise, accelerated wear on components, and discomfort in vehicle applications. The midship bearing support effectively dampens these vibrations by providing a fixed nodal point, breaking the continuous vibrating span of the shaft. This results in smoother operation, reduced noise levels, and improved component longevity throughout the driveline.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReduced Bending Moments and Deflection:\u003c\/strong\u003e Without intermediate support, a long driveshaft would experience significant static and dynamic deflection under its own weight and operational loads. This deflection leads to increased stress concentrations and potential for fatigue failure. The midship stub shaft and pillow block reduce the unsupported span, thereby minimizing bending moments and deflection. This ensures the shaft operates closer to its intended linear path, preserving universal joint life and optimizing power transmission efficiency.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImproved Torque Transmission Efficiency:\u003c\/strong\u003e By maintaining shaft alignment and minimizing deflection and vibration, the Midship Stub Shaft helps ensure that torque is transmitted with minimal energy loss. Excessive deflection and misalignment force universal joints to operate at higher angles and with increased friction, leading to power loss and heat generation. A properly supported system maintains optimal operating angles for universal joints, maximizing efficiency.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Modularity and Serviceability:\u003c\/strong\u003e A multi-piece driveshaft system, made possible by the midship stub shaft, offers significant advantages in terms of manufacturing, installation, and maintenance. Shorter shaft sections are easier to balance dynamically, handle, and install. In the event of damage or wear to a specific section, only that segment needs to be replaced, rather than an entire, costly, and unwieldy long shaft. This modularity reduces downtime and repair costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications Across Industries\u003c\/h3\u003e\n\n\u003cp\u003eThe versatility and robust design of the Buyers Products Midship Stub Shaft make it suitable for an extensive range of demanding applications across various industries:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCommercial Trucking and Heavy Equipment:\u003c\/strong\u003e Essential for long-wheelbase trucks, articulated vehicles, and specialized heavy equipment (e.g., dump trucks, cement mixers, refuse vehicles) where power needs to be transmitted from the engine\/transmission to distant drive axles or PTO units. It helps manage the significant length variations and operational stresses in these vehicles.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAgricultural Machinery:\u003c\/strong\u003e Employed in large tractors, harvesters, and implements that require power transfer to various driven components over considerable distances, often under severe environmental conditions and heavy loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConstruction Equipment:\u003c\/strong\u003e Integral to machinery such as graders, loaders, and excavators, where precise and reliable power delivery to various hydraulic pumps, winches, or drive systems is paramount for operational effectiveness and safety.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Power Transmission:\u003c\/strong\u003e Utilized in manufacturing plants, processing facilities, and material handling systems (e.g., conveyors, shredders, presses) where prime movers are located remotely from the driven machinery, necessitating robust and stable shafting solutions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine Applications:\u003c\/strong\u003e In certain marine propulsion systems or auxiliary power setups on larger vessels, where engine output must be delivered to propellers or equipment located some distance away, often requiring multiple shaft segments for alignment and vibration control.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpecialty Vehicles:\u003c\/strong\u003e Custom-built vehicles, off-road applications, and other specialized transport where unique driveline configurations are required to meet specific performance or spatial constraints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation, Maintenance, and Longevity\u003c\/h3\u003e\n\n\u003cp\u003eProper installation is paramount to realizing the full benefits and ensuring the longevity of a driveshaft system incorporating a midship stub shaft. Precision alignment of all components – the stub shaft, universal joints, pillow block bearing, and connected shaft segments – is critical. Misalignment can introduce excessive stresses, vibrations, and premature wear on universal joints and bearings. Dynamic balancing of the entire driveshaft assembly (including the stub shaft and its connected segments) is also highly recommended, especially for high-speed applications, to minimize vibration and enhance smooth operation.\u003c\/p\u003e\n\n\u003cp\u003eRegular preventative maintenance is equally important. This includes periodic inspection of the universal joints for wear (indicated by looseness or unusual noise), checking the pillow block bearing for signs of wear, contamination, or loss of lubrication, and inspecting the stub shaft itself for any signs of fatigue, corrosion, or damage. Lubrication of universal joints and pillow block bearings according to manufacturer specifications is essential for maximizing their operational life and maintaining system efficiency. By adhering to these best practices, the Midship Stub Shaft, along with its associated components, will deliver dependable, long-term performance.\u003c\/p\u003e\n\n\u003ch3\u003eBuyers Products Commitment to Quality\u003c\/h3\u003e\n\n\u003cp\u003eBuyers Products is renowned for its commitment to engineering excellence and manufacturing robust, reliable components for the toughest applications. The Midship Stub Shaft is a testament to this philosophy, designed and produced using advanced manufacturing techniques and stringent quality control processes. From the selection of high-grade alloy steels to precision machining and heat treatment, every step ensures that the final product meets the highest standards of strength, durability, and dimensional accuracy. This dedication to quality ensures that the Midship Stub Shaft will integrate seamlessly into your power transmission system, providing the extended operational life and consistent performance expected from Buyers Products components.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449335239027,"sku":"MSS","price":13.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/MSS_45_0bf7c519-4588-42c7-a0f9-b87c53e22782.jpg?v=1768841953"},{"product_id":"b91382sf-b1310-1-1-4-inch-solid-shaft-assembly-24-inch","title":"B91382SF - B1310 1-1\/4 Inch Solid Shaft Assembly 24 Inch","description":"\u003cp\u003eBuyers Products B1310 1-1\/4 Inch Solid Shaft Assembly can fulfill a variety of coupling applications with its customizable length. Torque transfer is smooth and continuous, and the assembly comes to you unwelded so that it can be easily cut to length. Buy as a whole assembly, or choose the component that will fulfill your needs. The solid shaft assembly includes one end yoke, one greasable 16 spline slip yoke, two journal assemblies, solid shaft with splined end, and tube.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e25.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eJournal Assembly Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5153XBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e30.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB1310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSlip Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB23128KX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eStub Shaft Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB248031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eThe Buyers Products B1310 1-1\/4 Inch Solid Shaft Assembly represents a robust and versatile solution for power transmission requirements across a myriad of industrial, agricultural, and commercial applications. Engineered for durability and adaptability, this assembly is designed to facilitate smooth and continuous torque transfer, even under demanding operational conditions. Its fundamental advantage lies in its customizable length, delivered unwelded to allow for precise cutting and fitting on-site, thereby minimizing lead times and maximizing compatibility with diverse machinery configurations. This design philosophy underscores a commitment to operational flexibility and cost-effectiveness for integrators and end-users alike.\u003c\/p\u003e\n\u003cp\u003eAt its core, the B1310 assembly is meticulously designed to meet the rigorous demands of power coupling applications. The \"1-1\/4 Inch\" designation refers to the nominal diameter of the solid shaft, a critical dimension that dictates the torsional strength and overall torque carrying capacity of the component. A solid shaft, as opposed to a hollow tube, offers superior torsional rigidity and strength for its given diameter, making it ideal for applications where compact design must not compromise robustness or where shock loads are a significant consideration. The materials selected for such a critical component typically involve high-strength alloy steels, heat-treated to achieve optimal hardness and fatigue resistance, ensuring reliable performance over an extended service life. Precision machining of the shaft is paramount to minimize runout and ensure balanced operation, which directly contributes to the smooth and continuous torque transfer highlighted in the product's attributes.\u003c\/p\u003e\n\u003cp\u003eThe assembly comprises several key components, each engineered to perform a specific function within the driveline system. Understanding the role and technical specifications of each part is essential for appreciating the holistic engineering excellence of the B1310. These components include an end yoke, a greasable 16 spline slip yoke, two journal assemblies (universal joints), a solid shaft with a splined end, and a tube component, which typically refers to the main body of the slip yoke assembly that houses the splined stub shaft.\u003c\/p\u003e\n\u003cp\u003eThe **End Yoke** serves as the primary interface between the power source (e.g., transmission output, PTO shaft) or driven component (e.g., differential, pump input) and the universal joint. Manufactured from high-grade forged steel, these yokes are designed to withstand significant cyclic stresses and torsional forces. The precise machining of the yoke eyes ensures a snug and stable fit for the universal joint bearing caps, preventing premature wear and maintaining driveline integrity. The design also considers optimal geometric angles to reduce stress concentrations and facilitate efficient power transmission without inducing excessive vibration or noise.\u003c\/p\u003e\n\u003cp\u003eA crucial element for dynamic applications is the **Greasable 16 Spline Slip Yoke (Part Number: B23128KX)**. The slip yoke is ingeniously designed to accommodate axial movement within the driveline, which is indispensable in scenarios where the distance between the power source and the driven component changes during operation. This is common in vehicles with suspension travel, or in industrial machinery where components may flex or shift slightly. The \"16 spline\" count refers to the number of splines on the internal bore of the slip yoke, which mates precisely with the corresponding splines on the stub shaft. A higher spline count generally ensures a more distributed load, reduced backlash, and enhanced torque transfer capabilities, minimizing wear on the splines themselves. The \"greasable\" feature is a significant advantage for maintenance, allowing for periodic lubrication of the splined interface. This regular greasing reduces friction, prevents corrosion, and significantly extends the lifespan of both the slip yoke and the stub shaft, ensuring smooth axial movement and consistent performance. The slip yoke is typically constructed from high-strength steel, often case-hardened to resist wear on the spline teeth.\u003c\/p\u003e\n\u003cp\u003eThe **Journal Assemblies (Universal Joints, Part Number: 5153XBA)** are the linchpin of any driveshaft system, enabling torque transmission between shafts operating at varying angles. The B1310 assembly includes two such journal assemblies, indicative of a standard two-joint driveshaft configuration capable of handling typical angular misalignments. Each journal assembly consists of a central cross (or spider) with four trunnions, upon which needle roller bearings (enclosed in bearing caps) are fitted. These bearings allow for smooth rotation and angular articulation. The 5153XBA series journal assembly is designed to the B1310 series standard, implying a specific level of robustness and torque capacity. High-quality universal joints feature precision-ground trunnions, hardened bearing races, and effective sealing systems to retain lubricant and exclude contaminants. Proper lubrication of these journal assemblies is critical for preventing bearing failure and ensuring longevity. The choice of a proven journal assembly series like 5153XBA guarantees compatibility and performance characteristics aligned with the overall assembly's intended duty cycle.\u003c\/p\u003e\n\u003cp\u003eThe **Solid Shaft with Splined End (Stub Shaft Part Number: B248031)** is the primary torque-carrying element that interfaces with the slip yoke. As previously discussed, its 1-1\/4 inch solid diameter provides exceptional torsional strength. The splined end is meticulously machined to precisely mate with the 16 splines of the slip yoke, forming a strong, anti-rotational connection while allowing for axial movement. The surface finish and dimensional accuracy of these splines are crucial for minimizing stress concentrations and maximizing the life of the spline engagement under cyclic loading. The 24-inch nominal length of the solid shaft provides ample material for customization, allowing fabricators to cut it to the exact required length for their specific application, aligning with the \"unwelded\" and \"customizable length\" ethos of the product.\u003c\/p\u003e\n\u003cp\u003eThe term \"tube\" in the component list, in the context of a solid shaft assembly, typically refers to the cylindrical body of the slip yoke that houses the splined stub shaft. This \"tube\" often incorporates the grease fitting and serves as a protective sleeve for the splined connection, keeping out environmental contaminants while retaining lubricant. Its internal diameter is closely toleranced to provide a smooth sliding surface for the stub shaft, preventing binding or excessive play that could lead to vibration or premature wear.\u003c\/p\u003e\n\u003cp\u003eThe detailed specifications provided further illuminate the engineering characteristics of the B1310 assembly. The \"Center of Journal Assembly to Center of Journal Assembly Length\" of 25.8 inches is a critical dimension for driveline designers, indicating the operating length between the U-joint centers. This measurement is crucial for calculating operating angles and ensuring proper driveshaft phasing. The \"Overall Length\" of 30.00 inches gives the total physical extent of the assembly. These precise measurements are vital for ensuring accurate fitment and optimal dynamic performance within a machine's framework. The Series B1310 designation itself signifies adherence to a specific industry standard for universal joint and driveshaft components, ensuring interchangeability and a baseline level of performance and quality that customers can rely upon.\u003c\/p\u003e\n\u003cp\u003eThe primary advantage of the B1310 Solid Shaft Assembly is its inherent adaptability. Being supplied unwelded means that the primary solid shaft component can be cut precisely to the desired length by the installer. This significantly reduces the need for custom-ordered shafts, decreasing lead times and providing unparalleled flexibility for a wide range of installation scenarios. For original equipment manufacturers (OEMs) and maintenance, repair, and overhaul (MRO) operations, this feature translates into greater inventory efficiency and faster deployment. Once cut to length, the components are then typically welded to the main shaft, creating a permanent and robust connection tailored to the specific application's requirements. This modular approach also allows customers the flexibility to purchase the entire assembly or individual components as needed for repairs or custom builds.\u003c\/p\u003e\n\u003cp\u003eFrom a performance perspective, the B1310 is engineered for resilience. The 1-1\/4 inch solid shaft, combined with the B1310 series universal joints and a robust slip yoke, ensures a high torque capacity suitable for heavy-duty applications. The commitment to smooth and continuous torque transfer is achieved through precision manufacturing, careful selection of materials, and the inherent design of the universal joint system which accommodates angular misalignment while maintaining consistent rotational velocity. For applications involving higher rotational speeds, dynamic balancing of the complete assembly after welding is recommended to minimize vibrations, reduce stress on connected components, and extend the overall lifespan of the driveline and associated machinery.\u003c\/p\u003e\n\u003cp\u003eThe application spectrum for the Buyers Products B1310 1-1\/4 Inch Solid Shaft Assembly is broad and diverse. It is perfectly suited for agricultural machinery, including PTO (Power Take-Off) shafts, implements, and auxiliary drives where power needs to be reliably transmitted under varying field conditions. In the construction industry, it finds use in auxiliary equipment, conveyor systems, and specialized vehicles requiring robust power transmission. Industrial power transmission systems, such as those driving pumps, generators, mixers, or custom manufacturing equipment, can greatly benefit from its strength and adaptability. Furthermore, specialty vehicles, municipal equipment, and certain demanding marine applications where a compact yet powerful solid shaft is required, can leverage the B1310's capabilities. Its robust construction and ease of customization make it an indispensable component for environments demanding high reliability and minimal downtime.\u003c\/p\u003e\n\u003cp\u003eMaintenance and serviceability are key considerations for any industrial component, and the B1310 assembly is designed with this in mind. The \"greasable\" feature of the slip yoke facilitates routine lubrication, which is essential for preserving the integrity of the splined connection and ensuring smooth axial movement. Similarly, the journal assemblies, if equipped with grease fittings (as is typical for high-quality universal joints), require periodic lubrication to maintain bearing health. Regular inspection for wear, corrosion, and seal integrity across all components will further ensure the longevity and safe operation of the driveline system. The availability of components by part number (e.g., Journal Assembly Part Number: 5153XBA, Slip Yoke Part Number: B23128KX, Stub Shaft Part Number: B248031) simplifies replacement and maintenance, contributing to the long-term operational efficiency and cost-effectiveness of the assembly.\u003c\/p\u003e\n\u003cp\u003eIn conclusion, the Buyers Products B1310 1-1\/4 Inch Solid Shaft Assembly is a meticulously engineered, highly adaptable, and robust solution for demanding power transmission applications. Its design, which prioritizes customizable length through an unwelded delivery, coupled with high-strength components such as the 1-1\/4 inch solid shaft, greasable 16 spline slip yoke, and B1310 series universal joints, makes it an exceptionally versatile and reliable choice. This assembly empowers engineers and fabricators with the flexibility to create precise driveline solutions on demand, ensuring smooth and continuous torque transfer, reduced vibration, and extended operational life in the most challenging industrial and mobile environments. For any application requiring a strong, customizable, and dependable shaft assembly, the B1310 series stands as a testament to quality and performance.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449335304563,"sku":"B91382SF","price":147.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/B91382SF_profile_07687071-4e66-4013-86de-e255dafd5173.jpg?v=1768845298"},{"product_id":"tsa1360-tsa13-series-tubular-shaft-assembly-60-inch-overall-length","title":"TSA1360 - TSA13 Series Tubular Shaft Assembly 60 Inch Overall Length","description":"\u003cp\u003eBuyers Products B1310 1-1\/4 Inch Tubular Shaft Assembly can fulfill a variety of coupling applications due to its customizable length and heavy torque rating. Torque transfer is smooth and continuous, and the assembly comes to you unwelded so that it can be easily cut to length.  Buy as a whole assembly, or choose the component that will fit your needs.  The tubular shaft assembly includes a slip yoke, two journal assemblies, stub shaft, and tube with welded-on yoke. It can be extended using a Buyers Products Midship Stub Shaft.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e55.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eJournal Assembly Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5153XBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e60.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB1310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSlip Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB23130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eStub Shaft Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e46.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eTS1360\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eComprehensive Technical Overview: TSA13 Series Tubular Shaft Assembly (60-Inch Overall Length)\u003c\/h2\u003e\n\u003cp\u003eThe Buyers Products TSA13 Series Tubular Shaft Assembly, specifically model B1310, represents a meticulously engineered solution for the efficient and reliable transmission of rotational power across a diverse range of industrial, commercial, and heavy-duty applications. Designed with an impressive 60-inch overall length and a robust 1-1\/4 inch diameter, this assembly is engineered not merely for the conveyance of torque but for precision, durability, and unparalleled adaptability, setting a benchmark for modular driveline components in demanding operational environments.\u003c\/p\u003e\n\n\u003ch3\u003eCore Engineering and Functional Design Principles\u003c\/h3\u003e\n\u003cp\u003eAt its essence, a tubular shaft assembly, often referred to as a driveshaft or propeller shaft, serves the critical function of transmitting torque and rotational velocity from a power source (e.g., an engine or transmission) to a driven component (e.g., an axle or pump), while simultaneously accommodating dynamic variations in angular alignment and axial length. The TSA13 Series B1310 assembly excels in these functions through a synergistic integration of high-quality materials, precise manufacturing tolerances, and a modular design philosophy.\u003c\/p\u003e\n\n\u003cp\u003eThe selection of a tubular shaft configuration, as opposed to a solid shaft, is a deliberate engineering choice to maximize the torsional stiffness-to-weight ratio. By distributing material further from the rotational axis, a tubular shaft offers superior resistance to twisting and bending under dynamic loads while minimizing rotational inertia. This characteristic is paramount in applications where high speeds, frequent acceleration\/deceleration cycles, and the mitigation of resonant vibrations are critical performance parameters.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Component Breakdown and Technical Specifications\u003c\/h3\u003e\n\n\u003ch4\u003e1. High-Strength Tubular Shaft (TS1360 Tube and Weld Yoke)\u003c\/h4\u003e\n\u003cp\u003eCentral to the B1310 assembly is its high-strength tubular shaft, identified by the Tube and Weld Yoke Part Number TS1360. This component, with a nominal length of 46.5 inches (exclusive of the slip yoke interaction), is fabricated from premium-grade alloy steel, carefully selected for its superior yield strength, ultimate tensile strength, and fatigue limit. The 1-1\/4 inch outer diameter, coupled with an optimized wall thickness, contributes to an exceptional strength-to-weight ratio, effectively minimizing rotational inertia while maximizing resistance to buckling and permanent deformation under dynamic loads.\u003c\/p\u003e\n\n\u003cp\u003eThe material undergoes specific heat treatment processes to enhance its metallurgical properties, ensuring optimal hardness, toughness, and fatigue resistance – critical factors for sustained operational performance and longevity in strenuous environments. The tube's surface is often treated to resist corrosion and abrasion, further contributing to its robust nature. The precise concentricity and straightness of the tube are paramount for minimizing imbalance and vibration, especially at higher rotational speeds. The welding process for attaching the fixed yoke to the tube is executed using advanced techniques (e.g., MIG, TIG, or friction welding) to ensure a high-integrity, metallurgical bond that can withstand the full rated torque capacity of the assembly without succumbing to stress concentrations or fatigue cracking. Quality control measures, including non-destructive testing, are typically employed to verify weld integrity and structural soundness.\u003c\/p\u003e\n\n\u003ch4\u003e2. Slip Yoke (Part Number B23130)\u003c\/h4\u003e\n\u003cp\u003eThe slip yoke, designated by part number B23130, is a pivotal component designed to accommodate axial length variations within the driveline. Such variations can arise from dynamic suspension travel, chassis flex, or thermal expansion and contraction. Constructed from robust, forged alloy steel, the slip yoke features precisely machined splines that engage with the corresponding splines on the stub shaft. This splined interface allows for smooth, low-friction telescopic movement while reliably transmitting torque.\u003c\/p\u003e\n\n\u003cp\u003eThe design of the splines is crucial for ensuring uniform load distribution, minimizing backlash, and facilitating axial movement under torque. The spline count and profile are optimized for the torque rating and intended application. A critical aspect of the slip yoke's design is the provision for lubrication. Internal lubrication channels or grease fittings ensure that the splined connection remains adequately lubricated, preventing fretting corrosion and reducing wear. The B23130 slip yoke is engineered for exceptional durability and longevity, even when subjected to repetitive axial movements and high torsional loads.\u003c\/p\u003e\n\n\u003ch4\u003e3. Journal Assemblies (Universal Joints - Part Number 5153XBA)\u003c\/h4\u003e\n\u003cp\u003eThe B1310 assembly incorporates two Journal Assemblies, commonly known as universal joints or U-joints, identified by part number 5153XBA. These components are critical for transmitting torque through varying angular displacements between the input and output shafts. Precision-machined from high-strength forged alloy steel, these universal joints are designed for exceptional strength, wear resistance, and fatigue life.\u003c\/p\u003e\n\n\u003cp\u003eEach journal assembly comprises a cross-shaped spider and four bearing cups containing needle rollers. Needle bearings are employed for their superior load distribution capabilities, high radial load capacity, and minimal frictional losses. They distribute loads over a larger contact area compared to plain bearings, significantly reducing friction, heat generation, and wear, thereby extending service life and enhancing operational efficiency. The bearing cups are typically sealed to retain lubricant and exclude contaminants such as dirt, moisture, and debris, which are prevalent in harsh operating environments.\u003c\/p\u003e\n\n\u003cp\u003eProper phasing of the two universal joints is paramount for ensuring constant velocity output from an input with varying angular velocity. The B1310 series is manufactured with precise alignment to minimize speed fluctuations, thereby mitigating torsional vibrations and shock loads that could otherwise compromise the integrity of the driveline and connected components. The maximum permissible operating angle for these joints is a critical design consideration, directly impacting the lifespan and efficiency of the assembly. Exceeding recommended operating angles can lead to accelerated wear, increased vibration, and potential failure.\u003c\/p\u003e\n\n\u003ch4\u003e4. Stub Shaft (Part Number SS)\u003c\/h4\u003e\n\u003cp\u003eThe stub shaft, designated by part number SS, provides the critical connection interface for the slip yoke. It is typically manufactured from high-grade alloy steel, heat-treated to achieve optimal strength and hardness. The splines on the stub shaft are precision-machined to exacting tolerances to ensure a snug, backlash-free fit with the corresponding splines of the slip yoke (B23130). This secure engagement is essential for efficient torque transfer and to prevent relative rotational movement between the components.\u003c\/p\u003e\n\n\u003cp\u003eBeyond its splined section, the stub shaft incorporates a smooth, ground surface that serves as the bearing surface for the slip yoke's axial movement. The surface finish and hardness of this area are critical for minimizing friction and wear during telescopic action. The stub shaft is an integral part of the driveline's modularity, providing a robust connection point that maintains structural integrity under both torsional and axial stresses.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Characteristics and Engineering Excellence\u003c\/h3\u003e\n\n\u003ch4\u003eHeavy Torque Rating and Dynamic Load Handling\u003c\/h4\u003e\n\u003cp\u003eThe B1310 assembly boasts a \"heavy torque rating,\" indicating its capability to sustain significant torsional loads without material yielding or catastrophic failure. This capacity is a direct result of the synergistic design of its components: the high-strength alloy steel tube, robust forged yokes, and durable needle bearing universal joints. The design considers both static torque capacity (the maximum torque it can withstand without permanent deformation) and dynamic torque capacity (the maximum torque it can repeatedly transmit without fatigue failure). Factors influencing this rating include the shear strength of the tube material, the design and material of the splined connections, the fatigue life of the universal joints, and the integrity of the welded joints. The assembly is engineered to provide smooth and continuous torque transfer, minimizing power loss and ensuring efficient operation even under fluctuating load conditions.\u003c\/p\u003e\n\n\u003ch4\u003eVibration Damping and Noise Reduction\u003c\/h4\u003e\n\u003cp\u003eMinimizing vibration and noise is a critical aspect of driveline design, impacting both equipment longevity and operator comfort. The TSA13 series achieves this through several engineering considerations:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e**Precision Balancing:** Each assembly undergoes dynamic balancing during manufacturing to ensure concentricity and minimize imbalances that could induce vibrations at operational speeds.\u003c\/li\u003e\n    \u003cli\u003e**Component Tolerances:** Tight manufacturing tolerances on all components (tube straightness, yoke alignment, bearing clearances) reduce play and potential sources of vibration.\u003c\/li\u003e\n    \u003cli\u003e**Proper U-Joint Phasing:** The careful phasing of the universal joints, ensuring that their rotational cycles are correctly synchronized, is fundamental to mitigating torsional vibrations and ensuring constant velocity transfer.\u003c\/li\u003e\n    \u003cli\u003e**Material Properties:** The inherent damping characteristics of the selected alloy steels help absorb and dissipate vibrational energy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eService Life and Durability\u003c\/h4\u003e\n\u003cp\u003eThe long service life and exceptional durability of the B1310 assembly stem from the strategic selection of high-grade materials, advanced manufacturing processes, and thoughtful design. Heat treatment of steel components enhances their hardness, toughness, and resistance to wear and fatigue. Sealed and pre-lubricated journal assemblies reduce the need for frequent maintenance and protect against environmental ingress. The robust welding techniques employed ensure structural integrity under repetitive stress cycles. Furthermore, adherence to industry standards in material specification and component design contributes significantly to the overall reliability and extended operational lifespan of the assembly.\u003c\/p\u003e\n\n\u003ch4\u003eOperating Speed and Critical Speed Considerations\u003c\/h4\u003e\n\u003cp\u003eThe design of the B1310 takes into account the critical speed of the driveshaft – the rotational speed at which the shaft's natural frequency of vibration matches the rotational frequency, potentially leading to destructive resonance. By optimizing the tube diameter, wall thickness, and material properties, the critical speed is designed to be well above typical operating speeds for its intended applications, ensuring stable and safe operation. Dynamic balancing further contributes to mitigating vibrations that could become problematic at higher RPMs.\u003c\/p\u003e\n\n\u003ch3\u003eUnparalleled Customization and Application Versatility\u003c\/h3\u003e\n\n\u003ch4\u003eUnwelded Assembly for Tailored Solutions\u003c\/h4\u003e\n\u003cp\u003eA key differentiator of the Buyers Products B1310 is its \"unwelded\" configuration upon initial delivery. This design choice offers unparalleled customization capabilities, making it an ideal solution for original equipment manufacturers (OEMs), custom fabricators, and repair facilities that require precise fitment. By providing the tube and welded yoke separate from the other components, users gain the flexibility to cut the tube to a specific, application-dependent length before final assembly and welding of the remaining yoke. This eliminates the logistical complexities and inventory costs associated with stocking numerous pre-cut shaft lengths.\u003c\/p\u003e\n\n\u003cp\u003eThe ability to precisely tailor the shaft length ensures optimal driveline geometry, allowing for the establishment of correct operating angles for the universal joints. Maintaining universal joint operating angles within their recommended range is paramount for maximizing component lifespan, minimizing wear, and preventing premature failure. Incorrect angles can lead to excessive vibration, heat generation, and accelerated fatigue of the U-joints and related components. This modular approach significantly reduces installation complexity, minimizes material waste, and enhances the overall design flexibility of power transmission systems.\u003c\/p\u003e\n\n\u003ch4\u003eModular Design and Extension Capabilities\u003c\/h4\u003e\n\u003cp\u003eThe B1310 series embraces a modular design philosophy, allowing customers to purchase the complete assembly or individual components as needed. This flexibility is invaluable for maintenance and repair operations, enabling the replacement of specific worn parts rather than the entire shaft, thereby reducing downtime and operational costs.\u003c\/p\u003e\n\n\u003cp\u003eFurthermore, the assembly's design supports extension through the integration of a Buyers Products Midship Stub Shaft. This capability is critical for applications requiring greater overall driveline length, such as long-wheelbase vehicles, tandem axle trucks, or complex industrial machinery where a single-piece driveshaft would be impractical due to critical speed limitations or packaging constraints. Multi-piece drivelines, incorporating intermediate support bearings and a midship stub shaft, allow for increased overall length while maintaining dynamic stability and managing angularity across multiple segments. This adaptability ensures that the TSA13 Series can be configured to meet a vast array of unique power transmission requirements.\u003c\/p\u003e\n\n\u003ch3\u003eApplications and Industry Relevance\u003c\/h3\u003e\n\u003cp\u003eThe robust construction, heavy torque rating, and customizable nature of the TSA13 Series B1310 Tubular Shaft Assembly make it suitable for a wide array of demanding applications across various industries:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e**Heavy-Duty Trucks and Commercial Vehicles:** Ideal for drivelines connecting transmissions to drive axles, particularly in vocational trucks, refuse vehicles, and utility trucks where robust torque transfer and durability are paramount.\u003c\/li\u003e\n    \u003cli\u003e**Agricultural Equipment:** Suitable for power take-off (PTO) shafts and driveline components in tractors, harvesters, spreaders, and other farm machinery requiring reliable power delivery in challenging environments.\u003c\/li\u003e\n    \u003cli\u003e**Construction Equipment:** Utilized in excavators, loaders, dozers, and other heavy machinery for transmitting power to various hydraulic pumps, winches, or drive systems.\u003c\/li\u003e\n    \u003cli\u003e**Industrial Machinery:** Applicable in a variety of static and mobile industrial settings, including conveyor systems, pump drives, mixer drives, and other mechanical power transmission applications where custom lengths and high torque are required.\u003c\/li\u003e\n    \u003cli\u003e**Material Handling:** Used in forklifts, reach trucks, and other material handling equipment for reliable power transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation and Longevity Considerations\u003c\/h3\u003e\n\u003cp\u003eFor optimal performance and longevity of the B1310 Tubular Shaft Assembly, adherence to best practices during installation and maintenance is crucial:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e**Precision Measurement:** Accurate measurement for cutting the tube to length is paramount to ensure correct universal joint operating angles and proper slip yoke engagement.\u003c\/li\u003e\n    \u003cli\u003e**Professional Welding:** Final welding of the second yoke should be performed by certified welders using appropriate techniques and materials to maintain structural integrity and minimize distortion. Proper heat control is essential to avoid compromising the heat treatment of the shaft material.\u003c\/li\u003e\n    \u003cli\u003e**Dynamic Balancing:** After assembly and welding, dynamic balancing of the complete driveshaft is highly recommended, especially for applications involving higher rotational speeds, to mitigate vibrations and extend component life.\u003c\/li\u003e\n    \u003cli\u003e**Lubrication:** Regular inspection and lubrication of the universal joints and slip yoke (if applicable) according to manufacturer recommendations are essential for preventing wear and corrosion.\u003c\/li\u003e\n    \u003cli\u003e**Alignment and Phasing:** Correct alignment of the driveline components and proper phasing of the universal joints are critical for smooth operation and preventing premature failure.\u003c\/li\u003e\n    \u003cli\u003e**Inspection:** Periodic inspection for wear, damage, or looseness in U-joints, splines, and welds will ensure continued safe and efficient operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003eThe Buyers Products TSA13 Series B1310 Tubular Shaft Assembly stands as a testament to advanced engineering and manufacturing excellence. Its robust 1-1\/4 inch diameter, 60-inch overall length, heavy torque rating, and unique unwelded, customizable design provide an exceptionally versatile and durable solution for transmitting rotational power in the most demanding applications. By offering individual components and the flexibility for precise length adjustments, Buyers Products empowers engineers and technicians to create highly optimized and reliable driveline systems that minimize downtime, reduce operational costs, and deliver consistent, high-performance power transmission.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449335370099,"sku":"TSA1360","price":153.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/TSA1360_profile_8aef20e4-011d-4683-a051-9f02784a12e6.jpg?v=1768842227"},{"product_id":"tsa1372-tsa13-series-tubular-shaft-assembly-72-inch-overall-length","title":"TSA1372 - TSA13 Series Tubular Shaft Assembly 72 Inch Overall Length","description":"\u003cp\u003eBuyers Products B1310 1-1\/4 Inch Tubular Shaft Assembly can fulfill a variety of coupling applications due to its customizable length and heavy torque rating. Torque transfer is smooth and continuous, and the assembly comes to you unwelded so that it can be easily cut to length. Buy as a whole assembly, or choose the component that will fit your needs. The tubular shaft assembly includes a slip yoke, two journal assemblies, stub shaft, and tube with welded-on yoke. It can be extended using a Buyers Products Midship Stub Shaft.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eCenter of Journal Assembly to Center of Journal Assembly Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e67.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eJournal Assembly Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e5153XBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eOverall Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e72.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB1310\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSlip Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eB23130\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eStub Shaft Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eSS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Length\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e58.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eTube and Weld Yoke Part Number\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eTS1372\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003e\n    The Buyers Products TSA13 Series Tubular Shaft Assembly, with an overall length of 72 inches and designated by part number B1310, represents a meticulously engineered and exceptionally robust solution for the precise transmission of rotational power across a broad spectrum of mechanical systems. This comprehensive technical description aims to delineate the intricate specifications, advanced design philosophy, operational characteristics, and versatile application potential of this critical power transmission component. Engineered to meet and exceed demanding operational requirements, the TSA13 series assembly is distinguished by its superior construction quality, precision engineering, and inherent adaptability, positioning it as an indispensable asset in various industrial, agricultural, and commercial vehicle applications.\n\u003c\/p\u003e\n\u003cp\u003e\n    Fundamentally, a tubular shaft assembly, often referenced as a driveshaft or propeller shaft, serves the crucial function of coupling two rotating components, such as a power take-off (PTO) unit, an auxiliary gearbox output, or a hydraulic pump drive, to a driven implement, axle, or other rotating machinery. This connection facilitates the efficient transfer of mechanical torque while simultaneously accommodating dynamic changes in angular alignment, axial distance, or both, which are common in mobile and articulated machinery. The TSA13 series, specifically the 72-inch B1310 model, is meticulously designed and fabricated to deliver consistent and high-performance torque delivery, even under challenging environmental and operational conditions.\n\u003c\/p\u003e\n\n\u003ch3\u003eEngineering and Design Philosophy: Precision Customization and Unyielding Performance\u003c\/h3\u003e\n\u003cp\u003e\n    A hallmark feature of the Buyers Products B1310 Tubular Shaft Assembly is its inherent design for adaptability and precision customization. Delivered in an unwelded configuration, particularly regarding the interface between the primary tube and the stub shaft, this assembly offers unparalleled flexibility for on-site length modification. This \"unwelded\" attribute is paramount for applications demanding exacting shaft lengths to optimize operational angles, minimize dynamic vibrations, and ensure optimal engagement within the driveline. The capability to precisely cut the tubular section to the exact required length prior to final welding and assembly significantly streamlines the installation process, reduces labor expenditure, and enables a level of fitment that is often unattainable with pre-fabricated, fixed-length units. This bespoke customization ensures that the shaft assembly can be seamlessly integrated into a diverse array of unique machinery designs, custom builds, and retrofit projects, thereby enhancing overall system efficiency, operational stability, and component longevity.\n\u003c\/p\u003e\n\u003cp\u003e\n    Beyond its customizable aspect, the B1310 assembly is engineered with a heavy torque rating, unequivocally signifying its substantial capacity to withstand and efficiently transmit significant rotational forces without premature material fatigue, deformation, or catastrophic failure. This robust capability is a direct consequence of a synergistic approach encompassing judicious material selection, state-of-the-art manufacturing processes, and optimized geometric design. The constituent components are fabricated from high-strength alloy steels, specifically chosen for their superior torsional rigidity, remarkable tensile strength, and enhanced fatigue resistance. These metallurgical properties are critically important for components exposed to dynamic and cyclic loads, repetitive stress reversals, and the potential for severe shock loading. Such material integrity ensures that the assembly maintains its structural coherence and high-performance characteristics consistently, even under the most arduous operating conditions. The heavy torque rating directly correlates to enhanced operational reliability, significantly reduced equipment downtime, and an extended service life for the machinery relying on its power transmission capabilities.\n\u003c\/p\u003e\n\n\u003ch3\u003eCore Components and Their Intrinsic Functions\u003c\/h3\u003e\n\u003cp\u003e\n    The TSA13 Series B1310 Tubular Shaft Assembly is a sophisticated mechanical system composed of several meticulously engineered integral components, each contributing uniquely to the overall functionality, durability, and performance of the unit. A comprehensive understanding of the design intent and operational role of each element is essential to fully appreciate the assembly's robust capabilities.\n\u003c\/p\u003e\n\u003col\u003e\n    \u003cli\u003e\n        **Slip Yoke (Part Number: B23130):** This critical component is designed to facilitate crucial axial movement within the driveline. The slip yoke enables the driveshaft to dynamically accommodate variations in the longitudinal distance between the connected driving and driven components. Such variations typically arise from suspension articulation in mobile equipment, thermal expansion and contraction of driveline components, or minor shifts during operational cycles. This \"slip\" action is achieved through a precision-machined splined connection, allowing the stub shaft to linearly slide in and out of the yoke bore while continuously and securely transmitting torque. The B23130 slip yoke features high-precision machining to ensure exceptionally smooth, low-friction axial travel and steadfast engagement with the stub shaft's corresponding splines. Its robust construction, often complemented by surface hardening treatments such as carburizing or nitriding, provides exceptional resistance to wear, fretting corrosion, and spline deformation, even under conditions of constant axial movement and high torsional stress.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Journal Assemblies (Part Number: 5153XBA):** The assembly incorporates two journal assemblies, universally recognized as universal joints (U-joints), which are fundamental to the driveshaft's capacity to transmit torque through varying angles. Each journal assembly is comprised of a cross-shaped spider element and four precision needle bearing caps. The trunnions (cylindrical ends) of the spider are fitted with high-efficiency needle roller bearings, which are precisely housed within the bearing caps. These caps are then securely retained within the yokes of the driving and driven shafts. This configuration permits significant angular deflection between the connected shafts, and crucially, when properly phased, enables the transmission of torque with minimal angular velocity fluctuation, thereby approaching constant velocity output. The 5153XBA journal assemblies are specifically chosen for their exceptional durability, precision-ground bearing surfaces, and the use of high-quality needle bearings, which collectively minimize rotational friction, efficiently dissipate thermal energy, and provide an extended service life even under continuous operation and substantial angular displacements. Optimal lubrication is paramount for these components, and they are typically equipped with accessible grease fittings for routine preventive maintenance. The \"1310\" series designation commonly refers to the specific U-joint size, indicating the standard dimensions and load capacities for the cross-spider and bearing caps, thus confirming its suitability for heavy-duty power transmission applications.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Stub Shaft (Part Number: SS):** The stub shaft is the male splined component designed for precise and secure engagement with the internal splines of the slip yoke. It functions as a robust, solid shaft responsible for transferring torque from the main tube and welded yoke assembly to the slip yoke, concurrently facilitating the necessary axial movement provided by the slip joint. The dimensional accuracy and surface finish of the splines on both the stub shaft and within the slip yoke are critical for achieving smooth torque transfer, minimizing operational backlash, and preventing premature wear due to fretting or impact. The \"SS\" designation signifies a standard stub shaft, meticulously engineered for optimal mechanical interface and performance within the TSA13 series, serving as the essential element for adjustable length and the kinematic function of the slip yoke.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Tube with Welded-on Yoke (Part Number: TS1372, Length: 58.5 inches):** This component constitutes the primary structural backbone of the driveshaft. The tubular shaft itself is engineered for exceptionally high torsional rigidity and minimal flexural deflection under operational loads, factors critical for maintaining dynamic balance, preventing resonant vibrations, and ensuring efficient power delivery. The specified length of 58.5 inches for the tube and welded yoke refers to the pre-fabricated segment that includes one end yoke already securely and precisely welded to the tubular shaft. This pre-welded yoke provides a structurally integral and robust attachment point for one of the journal assemblies. The tube's external diameter and wall thickness are meticulously selected to provide an optimal strength-to-weight ratio, ensuring both unwavering durability and a minimized rotational mass for superior dynamic performance. The \"TS1372\" part number strongly indicates a \"Tubular Shaft for the 13 series, designed for a 72-inch overall assembly,\" directly correlating with the total extended length of the complete assembly.\n    \u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eDimensional Specifications and Their Operational Implications\u003c\/h3\u003e\n\u003cp\u003e\n    The precise dimensional attributes of the B1310 assembly are critically important for ensuring proper fitment, optimized operational parameters, and maximal performance within diverse mechanical power transmission systems.\n\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n        **Overall Length (72.00 inches):** This measurement denotes the total extended length of the complete shaft assembly, typically measured from the outermost point of one yoke to the outermost point of the opposing yoke when the slip yoke is fully extended, yet still maintaining adequate spline engagement. This overall length provides a fundamental baseline dimension for assessing compatibility with the installation space and the required spacing between the driving and driven components in a given application.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Center of Journal Assembly to Center of Journal Assembly Length (67.0 inches):** This is a paramount functional dimension, frequently referred to as the \"working length,\" \"compress-to-extend length,\" or \"operating length.\" It represents the precise distance between the rotational centers of the two universal joints when the shaft is in its nominal or neutral operating position. This critical length directly influences the operational angles experienced by the U-joints and is indispensable for accurately calculating the critical speed of the driveshaft, ensuring proper driveline phasing, and effectively minimizing induced vibrations during operation. The differential between the overall length and this working length accounts for the dimensional contributions of the yokes and the necessary engagement depth of the stub shaft within the slip yoke.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Tube and Weld Yoke Length (58.5 inches):** As previously detailed, this dimension specifies the length of the primary tubular section that includes one factory-welded yoke. This particular measurement is exceptionally pertinent during the customization process of the shaft length. During installation, the open end of this tube section will be precisely cut to achieve the desired overall working length, after accounting for the dimensions of the slip yoke, stub shaft, and the two journal assemblies, prior to the final, secure welding of the stub shaft into position.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n    These detailed dimensions, combined with the \"1-1\/4 inch\" specification (which most commonly refers to the cross-bearing cap diameter for the U-joint in the 1310 series), collectively provide a comprehensive technical profile for design engineers and maintenance professionals, facilitating accurate component selection, precise integration, and optimized system performance.\n\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Engineering Principles Governing Driveshaft Performance\u003c\/h3\u003e\n\u003cp\u003e\n    The superior performance of the TSA13 Series Tubular Shaft Assembly is meticulously grounded in the application of several advanced engineering principles that collectively dictate its operational efficiency, long-term durability, and inherent smoothness.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Universal Joint Kinematics and Phasing:** The primary kinematic function of universal joints is to transmit continuous torque through an angle. However, a singular universal joint, when operating at an angle greater than zero, inherently produces a non-uniform output velocity when driven by a constant input velocity. This phenomenon, termed angular velocity fluctuation, can induce significant torsional vibrations within the driveline. To effectively mitigate this, driveshaft assemblies such as the B1310 utilize two universal joints interconnected by an intermediate shaft (the primary tube). Crucially, the proper \"phasing\" of these two U-joints is indispensable: they must be installed with their yokes oriented in the same plane (typically either 0 degrees or 180 degrees in phase, depending on the specific driveline configuration). This precise phasing ensures that the velocity fluctuations introduced by the first U-joint are precisely canceled out by the second U-joint, resulting in a nearly constant velocity output at the driven end. This kinematic cancellation minimizes vibration, reduces dynamic stresses on connected components, and enhances operational smoothness. Furthermore, adherence to the manufacturer's specified permissible operating angles for U-joints is a critical design and installation consideration, as exceeding these limits will lead to accelerated wear, premature failure, and reduced system efficiency.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Dynamic Balancing:** For any rotating mechanical component operating at significant angular velocities, dynamic balancing is an absolute imperative. An improperly balanced driveshaft will generate considerable centrifugal forces that translate into excessive vibration, objectionable noise, and an accelerated rate of wear on critical driveline components such as U-joints, support bearings, and seals. The B1310 assembly components are manufactured to exceptionally tight dimensional tolerances, and post-assembly (particularly following custom cutting and welding procedures), the completed driveshaft should undergo a rigorous dynamic balancing process. This procedure involves strategically adding minute balance weights to specific locations on the shaft to precisely counteract any inherent mass imbalances, thereby ensuring smooth, vibration-free operation across its entire intended operational speed range.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Critical Speed Phenomena:** Every rotating shaft possesses a \"critical speed\" – a specific rotational frequency at which the shaft's natural resonant frequency coincides with its rotational speed. Operation at or near this critical speed can induce severe, amplifying vibrations (known as whirling or resonant deflection) which can rapidly escalate to catastrophic structural failure. The design of the tubular shaft, encompassing its external diameter, wall thickness, effective length, and fundamental material properties (e.g., Young's Modulus, mass density), is meticulously optimized to ensure that its calculated critical speed is significantly above the absolute maximum operational speed anticipated in its designated applications. For a 72-inch driveshaft, precise consideration of these engineering parameters is essential to preclude any operation within the critical speed regime.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Torsional Vibration and Fatigue Life:** Driveshafts are subjected to considerable torsional stresses, particularly during transient conditions such as acceleration, deceleration, and abrupt load changes. These stresses, especially when applied cyclically, can lead to torsional fatigue failures over time. The careful selection of high-strength alloy steels for the tube, yokes, and splines, coupled with appropriate thermal and mechanical heat treatments (e.g., quenching, tempering, induction hardening), significantly enhances the component's inherent resistance to fatigue crack initiation and propagation, thereby substantially extending its operational life. The explicitly stated \"heavy torque rating\" directly refers to the driveshaft's engineered capacity to endure these recurrent torsional loads without succumbing to fatigue-induced degradation.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Spline Design Optimization:** The splined connection between the slip yoke and the stub shaft is precisely engineered for highly efficient torque transfer and consistently smooth axial movement. The involute spline profile, a common and highly effective geometry employed in high-torque power transmission applications, is chosen for its ability to distribute stress evenly across multiple spline teeth, significantly reduce wear, and minimize undesirable backlash, which can contribute to driveline clunking and premature component wear. The accuracy of spline geometry and the precision of machining directly influence the long-term durability and operational smoothness of the entire slip joint mechanism.\n\u003c\/p\u003e\n\n\u003ch3\u003eMaterial Science and Manufacturing Excellence\u003c\/h3\u003e\n\u003cp\u003e\n    The intrinsic integrity and exceptional performance characteristics of the TSA13 Series assembly are directly attributable to the uncompromising quality of its constituent materials and the meticulous precision of its manufacturing processes.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Advanced Material Selection:** Critical components such as the main tube, yokes, and stub shaft are typically forged or precision-machined from high-grade alloy steels. Common selections include SAE 4140, 4340, or similar low-alloy steel grades, which are renowned for their outstanding balance of high strength, superior toughness, and excellent machinability. These specialized steels undergo rigorous heat treatments, such as controlled quenching and tempering, to achieve specific desired levels of hardness, ultimate tensile strength, and impact resistance. These properties are paramount for parts subjected to high levels of dynamic stress, shock loading, and cyclical fatigue. Conversely, the journal cross and the bearing races within the universal joints necessitate specialized case hardening treatments to impart exceptional surface wear resistance, while simultaneously maintaining a ductile and tough core structure to resist impact and fatigue.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Precision Welding and Machining:** The pre-welded yoke on the main tube section is subjected to stringent, quality-controlled welding procedures to ensure the creation of a structurally robust, homogeneous, and defect-free joint. This joint is engineered to reliably withstand extreme torsional and bending moments encountered during operation. Advanced welding techniques, such as Gas Metal Arc Welding (GMAW or MIG) or Gas Tungsten Arc Welding (GTAW or TIG), are meticulously employed under precisely controlled atmospheric and temperature conditions. Subsequent high-precision machining operations performed on all components guarantee exceptionally tight dimensional tolerances, which are critical for proper inter-component fitment, minimal rotational runout, and highly efficient torque transmission without energy loss or excessive heat generation. Precision grinding of the bearing surfaces within the journal assemblies is particularly vital for ensuring ultra-smooth operation and maximizing the service life of the needle roller bearings.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Protective Surface Treatments:** Depending on the specific functional requirements of each component, various surface treatments may be judiciously applied. These include phosphating for enhanced corrosion resistance and improved lubricant retention, black oxide coating for a degree of corrosion protection and aesthetic finish, or shot peening to induce compressive residual stresses on the surface, thereby significantly improving the component's fatigue strength and resistance to stress corrosion cracking. These specialized treatments further contribute to the assembly's overall longevity, reliability, and performance consistency in challenging environments.\n\u003c\/p\u003e\n\n\u003ch3\u003eVersatile Applications Across Diverse Industries\u003c\/h3\u003e\n\u003cp\u003e\n    The Buyers Products B1310 1-1\/4 Inch Tubular Shaft Assembly's inherently robust design, coupled with its highly customizable nature and heavy torque rating, makes it exceptionally well-suited for an expansive array of demanding coupling applications across numerous industrial sectors.\n\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n        **Agricultural Machinery:** This assembly is indispensable for critical power take-off (PTO) drive lines, providing robust connections between tractors and a wide variety of implements such as balers, mowers, spreaders, rotary tillers, seeders, and specialized sprayers. In these applications, reliable and continuous torque transfer under dynamically changing field conditions, angular misalignments, and intermittent shock loads is absolutely paramount for operational efficiency and productivity.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Commercial Vehicles:** The TSA13 series finds extensive utility in auxiliary power systems, driveshafts for specialized utility vehicles, municipal refuse collection trucks, heavy-duty dump trucks, snowplows, and other commercial fleets where specific length requirements, high torque capacity, and consistent durability are essential for operational integrity.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Industrial Equipment:** This tubular shaft assembly is highly applicable in a broad range of stationary and mobile industrial machinery. This includes sophisticated conveyor systems, high-capacity pumps, industrial mixers, gear reducers, material handling equipment, and various power units, particularly in scenarios where angular misalignment and variable shaft lengths are inherent to the machine's design or operational environment.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Construction Equipment:** Suitable for primary or auxiliary driveshafts in heavy construction machinery such as excavators, wheel loaders, concrete mixers, road compactors, and trenchers, ensuring reliable and robust power delivery in intensely demanding and often abrasive construction environments.\n    \u003c\/li\u003e\n    \u003cli\u003e\n        **Marine Applications:** While necessitating specific corrosion protection and material considerations, the fundamental design principles and robust construction of the TSA13 series can be adapted for various marine propulsion or auxiliary power systems, facilitating efficient power transmission between marine engines and gearboxes, water jets, or propellers.\n    \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\n    Its heavy torque rating and engineered capacity to provide smooth, uninterrupted torque transfer, even under challenging conditions, cement its status as a reliable and high-performance choice for critical applications where sustained and uninterrupted operation is absolutely essential for productivity and safety.\n\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Best Practices, Essential Maintenance, and Modular Extensibility\u003c\/h3\u003e\n\u003cp\u003e\n    **Precision Installation:** The unwelded configuration of the assembly is a significant advantage, facilitating precise customization to meet exact application requirements. During installation, the main tube can be cut with extreme accuracy to the required effective length. Following this cutting operation, the stub shaft is then carefully inserted and securely welded to the tube. The employment of proper, high-integrity welding techniques is critically important to preserve the structural integrity of the driveshaft and to maintain its dynamic balance. Post-welding, the entire assembly should ideally undergo a dynamic balancing procedure to eliminate any induced vibrations. Furthermore, precise alignment and correct phasing of the universal joints are non-negotiable for achieving smooth operation and preventing premature wear. Installers must rigorously adhere to all manufacturer specifications regarding permissible working angles, spline engagement depths, and recommended lubrication protocols.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Proactive Maintenance:** Regular and diligent maintenance is absolutely vital for significantly extending the service life and maintaining the peak performance of the TSA13 assembly. This primarily involves the routine and scheduled lubrication of the universal joints (typically via accessible grease fittings on the bearing caps) and the slip yoke (via a dedicated grease fitting on the yoke body). Periodic visual and tactile inspections should be performed to detect any signs of wear, excessive play or looseness in the U-joints, evidence of corrosion, or any physical damage to the tube, yokes, or splines. Any unusual operational symptoms, such as excessive vibration, abnormal noise generation, or localized heat buildup, warrant immediate, thorough inspection and prompt corrective action to prevent minor issues from escalating into major failures.\n\u003c\/p\u003e\n\u003cp\u003e\n    **Modularity and Extension Capabilities:** The product description explicitly highlights that the assembly \"can be extended using a Buyers Products Midship Stub Shaft.\" This critical statement underscores the inherent modular design capability within the Buyers Products driveline component ecosystem. For applications that necessitate exceptionally long driveshafts, often exceeding the practical critical speed limits of a single-piece shaft or requiring intermediate structural support, a midship stub shaft assembly can be seamlessly integrated. This typically involves the incorporation of a robust center support bearing and additional universal joints to construct a multi-piece driveshaft system. This configuration effectively extends the overall operational reach and significantly enhances the structural stability and dynamic performance of the entire power transmission solution. This inherent modularity further exemplifies the versatility and scalability of the TSA13 series, enabling its deployment in even the most complex and challenging driveline configurations.\n\u003c\/p\u003e\n\n\u003ch3\u003eConclusion\u003c\/h3\u003e\n\u003cp\u003e\n    The Buyers Products TSA13 Series Tubular Shaft Assembly, specifically the 72-inch B1310 model, stands as a paradigm of precision engineering and robust, high-performance design in the domain of power transmission technology. Its unique combination of customizable length, formidable heavy torque rating, and engineered capability to ensure smooth, continuous torque transfer positions it as an exceptional choice for an extensive array of demanding industrial, agricultural, and commercial applications. Comprising a meticulously selected array of high-quality components—including a durable slip yoke, two resilient journal assemblies (universal joints), a robust stub shaft, and a precisely fabricated tube with a securely welded-on yoke—this assembly is purpose-built for unwavering reliability and extended longevity. By rigorously adhering to stringent material specifications and employing advanced manufacturing processes, Buyers Products consistently delivers a component that excels in dynamic performance, inherently minimizes operational downtime, and offers unparalleled adaptability through its unwelded configuration and seamless compatibility with modular extension components such as the Midship Stub Shaft. For industries that demand exceptionally dependable, highly flexible, and high-capacity power transmission solutions, the TSA13 Series represents a strategic and premium investment in long-term operational efficiency, superior performance, and enduring durability.\n\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449335501171,"sku":"TSA1372","price":146.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/TSA1360_profile.jpg?v=1768594910"}],"url":"https:\/\/titustrucksaccessories.com\/collections\/shaft-assemblies.oembed","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}