{"product_id":"7381-h7-series-slip-yoke-1-1-8-10-inch-spline-bore","title":"7381 - H7 Series Slip Yoke 1-1\/8 -10 Inch Spline Bore","description":"\u003cp\u003eBuyers Products H7 Series Slip Yoke is a strong, durable component for your flexible coupling needs. The yoke works best with other driveline components from Buyers Products and is compatible with medium duty driveline components from other major manufacturers. It comes in a variety of bore sizes and shapes to work with your system.  The slip yoke is made of forged steel to provide strength and durability. It works with the NB7A U-Joint 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;\"\u003e1.125 -10 SP.\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;\"\u003eSpline\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;\"\u003e5.000\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 Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1.750\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;\"\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;\"\u003eLubricator at\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3\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;\"\u003eLubricator Thread\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1\/4-28 TAPERED\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;\"\u003eCast 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\u003c\/table\u003e\u003ch2\u003eAdvanced Technical Overview: Buyers Products H7 Series Slip Yoke for Medium-Duty Driveline Applications\u003c\/h2\u003e\n\u003cp\u003eThe Buyers Products H7 Series Slip Yoke, specifically designed with a 1-1\/8 inch -10 spline bore, represents a critical component in the engineering of robust and adaptable driveline systems. This component is meticulously crafted to facilitate dynamic length changes within a driveline assembly while ensuring continuous and efficient torque transfer, which is paramount for the operational integrity and longevity of various medium-duty vehicular and industrial applications. Its design, material selection, and precision manufacturing underscore a commitment to reliability and performance under demanding operational conditions.\u003c\/p\u003e\n\n\u003ch3\u003eFundamental Role of the Slip Yoke in Driveline Dynamics\u003c\/h3\u003e\n\u003cp\u003eA slip yoke is an indispensable element within any driveline system that experiences variations in length during operation. These variations typically arise from suspension travel in vehicles, chassis flex, or movement in industrial machinery, causing the distance between connected components (e.g., transmission output shaft and rear differential input shaft) to fluctuate. Without a mechanism to accommodate these changes, the driveline would be subjected to severe axial stresses, leading to binding, accelerated wear of universal joints (U-joints) and bearings, and ultimately, catastrophic failure. The H7 Series Slip Yoke addresses this challenge by providing a sliding interface. Its internal spline bore engages with an external spline on an mating shaft, allowing for controlled axial movement while maintaining full rotational engagement. This critical function not only prevents structural damage but also ensures that torque is transmitted smoothly and continuously across varying shaft lengths, thereby preserving powertrain efficiency and preventing power interruptions.\u003c\/p\u003e\n\n\u003ch3\u003eEngineered for Performance: The H7 Series Advantage\u003c\/h3\u003e\n\u003cp\u003eThe H7 Series from Buyers Products is specifically engineered to meet the rigorous demands of medium-duty applications. This series embodies a balance of strength, durability, and precision, making it a preferred choice for professionals seeking reliable driveline solutions.\u003c\/p\u003e\n\n\u003ch4\u003eMaterial Science: The Strength of Cast Steel\u003c\/h4\u003e\n\u003cp\u003eUnlike some lighter-duty counterparts, the H7 Series Slip Yoke is manufactured from high-grade cast steel. The selection of cast steel as the primary material is a deliberate engineering decision based on its superior metallurgical properties for this application. Cast steel offers an exceptional combination of tensile strength, yield strength, and ductility, making it highly resistant to the repetitive stress cycles and shock loads inherent in driveline operation. Furthermore, cast steel possesses inherent vibration damping characteristics, which contribute to reduced noise, vibration, and harshness (NVH) levels in the overall system. Its ability to be precisely cast allows for complex geometries, ensuring optimal material distribution where stresses are highest and contributing to a strong, yet cost-effective, component without compromising structural integrity. This material choice ensures prolonged service life and consistent performance even in challenging environments.\u003c\/p\u003e\n\n\u003ch4\u003ePrecision Design and Manufacturing\u003c\/h4\u003e\n\u003cp\u003eThe H7 Series slip yoke is designed with meticulous attention to detail, focusing on minimizing clearances while allowing for necessary axial movement. This precision manufacturing process ensures optimal spline engagement, which is critical for efficient torque transfer and minimizing backlash. Reduced backlash translates to smoother power delivery and extended component life by mitigating wear on the spline teeth. The overall design emphasizes robust construction, ensuring that the yoke can withstand the dynamic forces and torsional stresses encountered in medium-duty applications, while also contributing to the rotational balance of the driveline assembly, a key factor in preventing driveline vibration.\u003c\/p\u003e\n\n\u003ch4\u003eSystem Compatibility and Interoperability\u003c\/h4\u003e\n\u003cp\u003eA significant advantage of the H7 Series Slip Yoke is its engineered compatibility. While optimized for seamless integration with other Buyers Products driveline components, such as the specified NB7A U-Joint, it also maintains broad interoperability with medium-duty driveline components from other major manufacturers. This adherence to industry standards in terms of dimensions and operational characteristics provides engineers and maintenance professionals with considerable flexibility in component selection and system design, simplifying maintenance and ensuring readily available replacements. The pairing with the NB7A U-Joint is particularly noteworthy, as this synergistic relationship ensures that the universal joint, a pivotal component for accommodating angular misalignment, operates within its optimal parameters, thereby enhancing overall driveline efficiency and longevity.\u003c\/p\u003e\n\n\u003ch3\u003eDetailed Technical Specifications and Their Operational Significance\u003c\/h3\u003e\n\u003cp\u003eUnderstanding the specific technical attributes of the H7 Series Slip Yoke is crucial for proper application and system integration. Each dimension and feature plays a vital role in its performance envelope.\u003c\/p\u003e\n\n\u003ch4\u003eBore Diameter and Spline Configuration (1.125 -10 SP.)\u003c\/h4\u003e\n\u003cp\u003eThe specified bore diameter of 1.125 inches (1-1\/8 inch) with a 10-spline configuration is a precise indicator of the mating shaft required. The spline bore type is engineered for maximum surface contact between the yoke and the mating shaft, distributing the transmitted torque over a larger area compared to a simple keyed shaft. This significantly reduces stress concentrations on individual spline teeth, enhancing fatigue resistance and preventing premature wear, especially under high-torque conditions and frequent axial movement. The 10-spline count ensures fine rotational indexing and robust engagement, crucial for applications demanding smooth power delivery and minimal torsional play. Precision in spline cutting is paramount to achieve a tight fit that facilitates axial movement without excessive radial play, which could lead to vibration and accelerated wear.\u003c\/p\u003e\n\n\u003ch4\u003eCenter Line to End of Hub (5.000 inches)\u003c\/h4\u003e\n\u003cp\u003eThe critical dimension of 5.000 inches from the centerline of the U-joint bore to the end of the hub dictates the overall length of the slip yoke and its contribution to the driveline's total operating length. This measurement is indispensable for driveline engineers during component selection and assembly, as it directly impacts driveline working angles and available slip travel. Accurate measurement ensures that the driveline operates within its designed length change capacity, preventing bottoming out or over-extension of the slip joint, both of which can lead to premature failure of the slip yoke, U-joints, or other driveline components. This dimension also affects overall driveline balance and harmonic characteristics.\u003c\/p\u003e\n\n\u003ch4\u003eHub Diameter (1.750 inches)\u003c\/h4\u003e\n\u003cp\u003eThe hub diameter of 1.750 inches refers to the external diameter of the cylindrical portion of the slip yoke that houses the spline bore. This dimension is crucial for the structural integrity of the yoke, providing the necessary material thickness to withstand the torsional and bending loads experienced during operation. A robust hub diameter ensures that the spline section is adequately supported, preventing deformation or cracking under extreme stress. Furthermore, this dimension can be relevant for clearance considerations within the driveline tunnel or housing of the equipment, ensuring proper fitment and preventing interference with other components.\u003c\/p\u003e\n\n\u003ch4\u003eLubrication System: Accessibility and Longevity\u003c\/h4\u003e\n\u003cp\u003eThe H7 Series Slip Yoke incorporates a well-placed lubrication point at position '3' (typically indicating a specific clocking or accessible orientation on the yoke) with a 1\/4-28 TAPERED thread for the lubricator. This feature is vital for the long-term health and performance of the slip joint. Regular lubrication via a grease fitting ensures that the mating splines remain coated with a fresh layer of lubricant, significantly reducing friction between the sliding surfaces. This not only facilitates smooth axial movement but also prevents fretting corrosion, a common form of wear that occurs between surfaces in contact, subject to small oscillatory movements. The standard 1\/4-28 TAPERED thread ensures compatibility with widely available grease guns and fittings, simplifying routine maintenance and extending the operational life of the component by preventing spline wear and seizing.\u003c\/p\u003e\n\n\u003ch4\u003eFinish (Plain)\u003c\/h4\u003e\n\u003cp\u003eThe \"Plain\" finish indicates that the slip yoke is supplied without any additional surface coatings such as paint, powder coat, or plating. This standard industrial finish allows for flexibility in application, as customers can apply their own protective coatings or treatments as required by their specific operating environment or aesthetic preferences. It also reflects the inherent durability of the cast steel material, which, when properly maintained and potentially coated post-installation, offers excellent resistance to environmental factors.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance Envelope and Application Suitability\u003c\/h3\u003e\n\u003cp\u003eThe H7 Series Slip Yoke is specifically engineered for medium-duty applications, defined by its capacity to handle up to 800 inch-pounds of torque at 1,000 RPM, translating to approximately 12 horsepower. This performance rating positions the component perfectly for a diverse range of machinery including, but not limited to, certain light-to-medium commercial vehicles, utility trucks, agricultural equipment, construction machinery, and various industrial power transmission systems. These applications typically require a balance of robust strength, consistent performance, and the ability to withstand intermittent shock loads without premature failure. The stated torque and RPM ratings provide a clear operational ceiling, guiding engineers to select the appropriate driveline components that will collectively form a safe and efficient power transmission system. Understanding these metrics is crucial to prevent overloading, which can lead to fatigue failure and compromise overall system reliability.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation, Maintenance, and Maximizing Longevity\u003c\/h3\u003e\n\u003cp\u003eOptimal performance and extended service life of the H7 Series Slip Yoke are heavily dependent on correct installation and diligent maintenance practices. Proper installation involves ensuring correct driveline angles, adequate spline engagement, and precise balancing to prevent vibration. Misalignment or improper installation can introduce unwanted stresses, leading to accelerated wear of the slip yoke and connected components. Regular lubrication of the slip spline, as facilitated by the conveniently located grease fitting, is arguably the most critical maintenance task. Following manufacturer recommendations for lubrication frequency and type of lubricant is essential to maintain the low-friction environment necessary for smooth axial movement and to protect against corrosion. Periodical inspections for signs of wear, such as excessive play in the splines, unusual noise, or visible damage, can help identify potential issues before they escalate, allowing for timely intervention and preventing more costly repairs or downtime. By adhering to these practices, operators can significantly enhance the operational lifespan and reliability of their driveline systems featuring the H7 Series Slip Yoke.\u003c\/p\u003e\n\n\u003ch3\u003eConclusion: A Benchmark for Medium-Duty Driveline Components\u003c\/h3\u003e\n\u003cp\u003eThe Buyers Products H7 Series Slip Yoke with its 1-1\/8 inch -10 spline bore stands as a testament to precision engineering and robust manufacturing within the medium-duty driveline sector. Its strategic material choice of cast steel, coupled with exacting dimensional specifications such as the 5.000-inch centerline to hub end and 1.750-inch hub diameter, ensures a component that delivers reliable performance under challenging conditions. The integrated lubrication system, facilitated by a standard 1\/4-28 TAPERED lubricator thread, underscores its design for maintainability and extended service life. Capable of handling significant torque (800 in-lbs) and power (12 HP) within its intended medium-duty operational envelope, this slip yoke offers exceptional value, contributing to the overall efficiency, durability, and safety of the driveline system. As a critical component for accommodating dynamic length changes and ensuring continuous torque transfer, the H7 Series Slip Yoke embodies Buyers Products' commitment to delivering high-quality, dependable driveline solutions that meet the stringent demands of modern industrial and vehicular applications.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449333502323,"sku":"7381","price":35.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/7381_Bottom.jpg?v=1768840690","url":"https:\/\/titustrucksaccessories.com\/products\/7381-h7-series-slip-yoke-1-1-8-10-inch-spline-bore","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}