{"product_id":"74183-h7-series-end-yoke-1-1-4-inch-round-bore-with-1-4-inch-keyway","title":"74183 - H7 Series End Yoke 1-1\/4 Inch Round Bore With 1\/4 Inch Keyway","description":"\u003cp\u003eBuyers Products H7 Series End Yoke with Round Bore is a strong, durable component for your flexible coupling needs. The yoke is compatible with other major manufacturers' medium duty driveline components. It comes in a variety of bore sizes and shapes to work with your system. The yoke is made of forged steel for strength and durability. It works with Buyers Products NB7A U-joints to provide smooth and continuous torque transfer. The H7 Series End Yoke is perfect for medium duty applications with the ability to handle up to 800 inch pounds of torque at 1,000 RPM (12 HP).\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;\"\u003eBore Dia\/Width (in.)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1-1\/4\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;\"\u003eBore Type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eRound\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;\"\u003eCenter Line to End of Hub\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.50\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;\"\u003eEnd of Hub to Centerline of Set Screw Hole\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e0.625\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;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003ePlain\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;\"\u003eHub Dia (in.)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2.00\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;\"\u003eJoint Angle\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e15\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;\"\u003eKeyway At\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e2\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;\"\u003eKeyway Size (in.)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1\/4\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;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eForged Steel\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;\"\u003eSet Screw At\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e4\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;\"\u003eSet Screw Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border=\" solid\u003e3\/8-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe Buyers Products H7 Series End Yoke with a 1-1\/4 Inch Round Bore and 1\/4 Inch Keyway represents a critical component in the mechanical power transmission landscape, engineered for reliability and robust performance in a myriad of medium-duty industrial and mobile applications. As an integral part of a flexible coupling system, this end yoke is meticulously designed to interface with universal joints, facilitating the efficient and controlled transfer of rotational power between misaligned shafts.\u003c\/p\u003e\n\n\u003ch3\u003eAdvanced Engineering and Material Science: Forged Steel Advantage\u003c\/h3\u003e\n\u003cp\u003eThe foundation of this end yoke's superior performance lies in its construction from \u003cstrong\u003eforged steel\u003c\/strong\u003e. Forging is a metalworking process that involves shaping metal using localized compressive forces, typically performed by hammering, pressing, or rolling. Unlike casting, which involves pouring molten metal into a mold, forging mechanically deforms the steel, resulting in a refined grain structure that is oriented in the direction of the principal stresses the component will experience in service. This anisotropic grain flow is crucial, as it enhances the material's structural integrity, significantly improving:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e The ability to withstand pulling forces without fracturing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYield Strength:\u003c\/strong\u003e The resistance to permanent deformation under stress.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFatigue Life:\u003c\/strong\u003e The component's durability under cyclic loading, which is paramount in driveline applications where continuous rotational stress is applied.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact Resistance:\u003c\/strong\u003e The capacity to absorb energy and deform plastically without fracturing, vital for absorbing sudden jolts or load variations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe dense, uniform grain structure achieved through forging virtually eliminates internal voids, porosity, and other material defects common in cast components, thereby providing a more consistent and predictable mechanical behavior. The plain finish further underscores the utilitarian design, focusing on functional integrity and operational efficiency rather than superficial aesthetics, which is characteristic of high-performance industrial components.\u003c\/p\u003e\n\n\u003ch3\u003ePrecision Bore and Keyway Design for Secure Torque Transfer\u003c\/h3\u003e\n\u003cp\u003eThe 1-1\/4 inch round bore is precision-machined to ensure a concentric fit with the mating shaft, minimizing eccentricity and potential vibrational imbalances. This precise bore diameter, coupled with the specified hub diameter of 2.00 inches, provides ample material thickness around the shaft interface to manage radial and torsional stresses effectively. The dimension \"Center Line to End of Hub\" at 2.50 inches provides critical spatial information for driveline assembly, ensuring proper clearance and alignment within an engineered system.\u003c\/p\u003e\n\u003cp\u003eCentral to the robust torque transfer capabilities of this H7 Series End Yoke is the integrated \u003cstrong\u003e1\/4 inch keyway\u003c\/strong\u003e. A keyway is a slot machined into the bore of the yoke, designed to engage with a corresponding key seated in a keyseat on the drive shaft. This mechanical interlock creates a positive drive connection, preventing relative rotation between the shaft and the yoke, thereby ensuring that all applied torque is efficiently transmitted without slippage. The specified \"Keyway At 2\" likely refers to its angular position relative to a datum, aiding in consistent assembly and phasing within a driveline system.\u003c\/p\u003e\n\u003cp\u003eComplementing the keyway, a \u003cstrong\u003e3\/8-16 set screw\u003c\/strong\u003e, positioned at \"Set Screw At 4\" and with its centerline 0.625 inches from the end of the hub, provides an additional layer of fastening security. While the keyway handles the primary torque transmission, the set screw serves to prevent axial movement of the yoke on the shaft and offers supplementary rotational restraint, particularly in applications subject to high vibration or dynamic loading. The specified thread size (3\/8-16) denotes a standard coarse thread, indicating common tooling requirements and robust clamping force.\u003c\/p\u003e\n\n\u003ch3\u003eSynergistic Performance with Buyers Products NB7A U-Joints\u003c\/h3\u003e\n\u003cp\u003eThis H7 Series End Yoke is engineered to operate seamlessly with Buyers Products NB7A U-joints. A universal joint (U-joint), specifically a Cardan joint, is a mechanical coupling that transmits rotary motion and torque between two shafts that are intentionally misaligned. The H7 series yoke forms one half of this critical connection, providing the attachment point for the U-joint's cross and bearing assembly. The design ensures an optimal fit, minimizing backlash and maximizing the efficiency of torque transfer.\u003c\/p\u003e\n\u003cp\u003eThe interaction between the end yoke and the U-joint is fundamental to achieving \"smooth and continuous torque transfer.\" In a single Cardan joint, the output shaft experiences angular velocity fluctuations relative to the input shaft when operating at an angle. However, in a complete driveline system typically employing two universal joints (a double Cardan arrangement or a phased single Cardan with a second U-joint), these fluctuations can be canceled out by ensuring proper phasing between the yokes and shafts. The \"Joint Angle\" of 15 degrees specified for this yoke provides crucial design data, guiding engineers in configuring driveline systems to avoid excessive operating angles that could lead to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIncreased vibration and noise.\u003c\/li\u003e\n\u003cli\u003eAccelerated wear on bearings and seals.\u003c\/li\u003e\n\u003cli\u003eReduced mechanical efficiency.\u003c\/li\u003e\n\u003cli\u003ePremature failure of driveline components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnderstanding and adhering to maximum permissible operating angles, often determined by the specific U-joint and application, is critical for the longevity and reliable performance of the entire power transmission system. The H7 Series End Yoke's design facilitates operation within these parameters, ensuring the U-joint can perform its function effectively.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Metrics and Application Versatility\u003c\/h3\u003e\n\u003cp\u003eThe H7 Series End Yoke is explicitly categorized for \u003cstrong\u003emedium-duty applications\u003c\/strong\u003e. This classification typically encompasses a broad range of industrial and mobile equipment that requires substantial, but not extreme, power transmission capabilities. Examples include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAgricultural machinery components (e.g., PTO drives for smaller implements).\u003c\/li\u003e\n\u003cli\u003eMaterial handling equipment (e.g., conveyors, hoists, forklifts).\u003c\/li\u003e\n\u003cli\u003eConstruction equipment subsystems (e.g., auxiliary drives on trenchers, compactors).\u003c\/li\u003e\n\u003cli\u003eSpecialized commercial vehicles (e.g., utility trucks, municipal equipment).\u003c\/li\u003e\n\u003cli\u003eIndustrial pump drives and general industrial machinery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe performance specification of handling \u003cstrong\u003eup to 800 inch-pounds of torque at 1,000 RPM (12 HP)\u003c\/strong\u003e quantifies its capabilities. To contextualize, 800 inch-pounds is approximately 66.67 foot-pounds (800 in-lbs \/ 12 in\/ft). The relationship between torque, RPM, and horsepower is given by the formula: Horsepower = (Torque in lb-ft × RPM) \/ 5252. Converting the given values: (66.67 lb-ft × 1000 RPM) \/ 5252 ≈ 12.69 HP, which aligns perfectly with the stated 12 HP. This metric highlights a well-balanced design where the yoke's material strength, geometric configuration, and fastening mechanisms are optimized to reliably transmit this level of power under continuous operational conditions. When selecting an end yoke, it is paramount to consider not just peak torque but also the operating RPM, potential shock loads, and environmental factors, ensuring the component is not merely adequate but provides a sufficient safety margin for the application's demands.\u003c\/p\u003e\n\n\u003ch3\u003eInterchangeability and Standardization\u003c\/h3\u003e\n\u003cp\u003eA significant advantage of the H7 Series End Yoke is its stated compatibility with \"other major manufacturers' medium duty driveline components.\" This interoperability is a testament to the adherence to industry standards in driveline component sizing and interface geometries. Standardization simplifies maintenance, reduces inventory complexities for end-users, and provides flexibility in sourcing replacement parts, contributing to reduced downtime and operational costs. For engineers, this compatibility allows for greater design freedom, integrating reliable Buyers Products components into existing or new driveline architectures with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation, Maintenance, and Longevity Considerations\u003c\/h3\u003e\n\u003cp\u003eProper installation is paramount to achieving the full lifespan and performance of the H7 Series End Yoke. Key considerations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaft Preparation:\u003c\/strong\u003e Ensuring the mating shaft is clean, free of burrs, and precisely dimensioned to facilitate a snug, concentric fit within the 1-1\/4 inch round bore.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKey and Keyway Alignment:\u003c\/strong\u003e Proper engagement of the 1\/4 inch key is essential for preventing torsional play.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Screw Torque:\u003c\/strong\u003e The 3\/8-16 set screw must be torqued to the manufacturer's specified value to secure axial position and provide supplementary rotational locking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhasing:\u003c\/strong\u003e In multi-U-joint drivelines, correct phasing of yokes is crucial to cancel out angular velocity variations and prevent destructive vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubrication:\u003c\/strong\u003e While the yoke itself typically does not require lubrication beyond shaft interface assembly, the mating U-joint will necessitate regular lubrication as per its specifications to ensure bearing longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRegular inspection for signs of wear, such as fretting corrosion at the bore interface, elongation of the keyway, or deformation around the set screw, is critical for preventative maintenance. The robust forged steel construction inherently contributes to extended service intervals and enhanced reliability, even in demanding operating environments. The design minimizes points of potential failure, offering a durable solution for continuous power transmission.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion: A Reliable Choice for Medium-Duty Power Transmission\u003c\/h3\u003e\n\u003cp\u003eThe Buyers Products H7 Series End Yoke with its 1-1\/4 inch round bore and 1\/4 inch keyway is a meticulously engineered component that embodies strength, precision, and broad applicability. Its forged steel construction, precise mechanical interfaces, and proven compatibility underscore its suitability for critical medium-duty power transmission tasks. By understanding the technical specifications and operational parameters, engineers and system integrators can confidently deploy this end yoke to ensure efficient, smooth, and durable torque transfer within their machinery, contributing significantly to the overall reliability and performance of their driveline systems. This product stands as a testament to robust design principles focused on long-term industrial utility and operational excellence.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449332093299,"sku":"74183","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/H7_20Series_20End_20Yoke_profile_640df900-f2d7-4fa0-a845-95a5af4a04b9.jpg?v=1768594871","url":"https:\/\/titustrucksaccessories.com\/products\/74183-h7-series-end-yoke-1-1-4-inch-round-bore-with-1-4-inch-keyway","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}