{"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","url":"https:\/\/titustrucksaccessories.com\/products\/tsa772-h7-1-1-4-inch-tubular-shaft-assembly-72-inch-overall-length","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}