B2432 - B1310 Series End Yoke 1-1/8 Inch Hex Bore

Buyers Products B1310 Series End Yoke works seamlessly with heavy duty PTO driveline components in order to deliver reliable flexible coupling. The yoke is compatible with other major manufacturers' heavy 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 the Buyers Products 5153XBA U-joints to provide smooth and continuous torque transfer. The B1310 Series End Yoke is perfect for heavy duty applications with the ability to handle up to 1560 inch pounds of torque at 1000 RPM continuous duty (approximately 25 HP).

Specifications

The Buyers Products B1310 Series End Yoke with a 1-1/8 Inch Hex Bore represents a critical component in the architecture of robust power transmission systems. Engineered for seamless integration within heavy-duty Power Take-Off (PTO) drivelines, this end yoke is meticulously designed to facilitate reliable flexible coupling, ensuring the efficient and continuous transfer of torque under demanding operational conditions. Its construction from forged steel, coupled with precise dimensional specifications, underscores its suitability for rigorous industrial and commercial applications.

Advanced Engineering for Uncompromised Performance in Driveline Systems

The core function of an end yoke is to serve as a pivotal interface within a driveline assembly, linking a rotating shaft from the power source (such as a PTO output) to a universal joint (U-joint). This connection is fundamental to transmitting rotational energy to auxiliary equipment. The B1310 Series End Yoke excels in this role by providing a stable and durable connection point, designed to withstand the dynamic forces inherent in heavy-duty machinery. Its robust design is not merely about strength; it encompasses a sophisticated understanding of kinetic energy transfer, torsional loads, and the need for angular flexibility.

Material Science: The Superiority of Forged Steel

The selection of forged steel as the primary material for the B1310 Series End Yoke is a deliberate engineering choice that significantly contributes to its exceptional strength and longevity. Unlike components produced by casting or machining from raw bar stock, forging involves the plastic deformation of metal at high temperatures, which refines the material's grain structure and aligns it with the desired stress patterns of the part. This process eliminates internal voids, porosity, and other defects that can compromise structural integrity. The resulting forged steel exhibits:

• Enhanced Tensile Strength: The refined grain structure provides superior resistance to stretching and pulling forces.
• Increased Fatigue Resistance: Critical for components subjected to repetitive loading cycles, as seen in driveline applications. Forged steel effectively resists the initiation and propagation of cracks.
• Superior Impact Strength: The material can absorb and dissipate sudden shock loads without fracturing, a vital characteristic for heavy-duty environments.
• Improved Ductility: While strong, forged steel retains a degree of malleability, preventing brittle failure under extreme conditions.

These metallurgical advantages ensure that the B1310 Series End Yoke can reliably transmit significant torque and endure the harsh operating environments typical of heavy-duty machinery, offering a substantial margin of safety and extending service life.

Precision Bore Configuration: The 1-1/8 Inch Hex Bore

The defining feature of this specific B1310 series variant is its 1-1/8 inch hex bore. This bore type is engineered for maximum torque transmission efficiency and reliability. The hexagonal geometry provides multiple points of contact with a corresponding hexagonal shaft, distributing the applied load over a larger surface area compared to a round bore with a single keyway. Key benefits of the hex bore include:

• High Torque Capacity: The multi-faceted engagement minimizes stress concentrations, allowing for the transmission of higher torsional loads without slippage or deformation.
• Reduced Backlash: The inherent self-centering nature of a hex bore fit minimizes rotational play, leading to smoother operation and reduced wear on connecting components.
• Improved Alignment: The hex profile naturally aids in maintaining shaft alignment, contributing to optimal driveline performance and reduced vibration.
• Ease of Assembly: While providing a secure fit, hex bores can often facilitate quicker and simpler assembly/disassembly in the field compared to intricate spline configurations.

The precise 1.125-inch (1-1/8 inch) dimension ensures compatibility with industry-standard hex shafts, enabling straightforward integration into diverse heavy-duty driveline systems. The bore is secured to the shaft using a 3/8-16 set screw, strategically located at 0.625 inches from the end of the hub to the centerline of the screw hole. This set screw provides a positive locking mechanism, preventing axial movement and rotation of the yoke relative to the shaft, further enhancing the security and reliability of the connection.

Dimensional Accuracy and System Integration

The precise dimensional specifications of the B1310 Series End Yoke are crucial for optimal driveline performance and system compatibility. These dimensions are not arbitrary but are critical parameters for engineers designing or maintaining power transmission systems:

• Center Line to End of Hub (2.56 inches): This measurement is vital for calculating the overall length of the driveline and ensuring proper U-joint phasing. Accurate phasing is essential to minimize torsional vibration and prevent premature wear of driveline components.
• Hub Diameter (2.000 inches): The substantial hub diameter provides robust structural integrity and sufficient material around the bore to withstand significant torsional and bending stresses. It also contributes to the secure mounting of the yoke on the shaft.
• Joint Angle (15 degrees): This specification likely refers to a design parameter related to the maximum operational angle the U-joint can accommodate without excessive stress or loss of efficiency. While a U-joint assembly can accommodate varying angles, the design of the yoke itself ensures it supports the U-joint effectively within typical operating envelopes, minimizing friction and maximizing power transfer.
• Plain Finish: The "Plain" finish indicates that the yoke is supplied in its natural forged state, typically with a light protective oil or coating. This finish is common in heavy-duty industrial components where the primary focus is on material strength and functionality. It allows for further surface treatments or painting by the end-user if specific aesthetic or extreme corrosion protection requirements beyond the inherent resistance of the material are needed.

These precise specifications facilitate interchangeability and ensure that the B1310 Series End Yoke can be seamlessly integrated into existing PTO driveline designs or utilized in new system builds without compromising performance or safety.

Synergistic Performance with Universal Joints

The B1310 Series End Yoke is engineered to work in perfect harmony with Buyers Products 5153XBA U-joints. The universal joint is the component that allows for angular misalignment between two rotating shafts while transmitting power. The yoke provides the structural framework into which the U-joint's cross and bearing cups are installed. This synergistic relationship is paramount for:

• Smooth and Continuous Torque Transfer: The precise machining of the yoke's ears ensures a proper fit for the U-joint bearing cups, minimizing play and enabling uniform rotation even when shafts are misaligned. This prevents erratic power delivery and reduces stress on the entire driveline.
• Reduced Vibration and Noise: A well-matched yoke and U-joint assembly operates with minimal runout and vibration, contributing to a quieter and more stable power transmission system.
• Extended Component Life: By providing a stable and accurately aligned interface for the U-joint, the yoke helps to distribute loads evenly across the U-joint bearings, preventing premature wear and extending the lifespan of both components.

The 5153XBA U-joint series is known for its heavy-duty construction, often featuring robust bearing designs, precision-ground journals, and advanced sealing mechanisms to protect against contaminants, further enhancing the reliability of the combined assembly in challenging environments.

Performance Metrics and Heavy-Duty Applications

The B1310 Series End Yoke is rated to handle up to 1560 inch-pounds of torque at 1000 RPM under continuous duty, equating to approximately 25 horsepower. These performance figures are not merely theoretical but represent validated capabilities under real-world operating conditions. Understanding these metrics is critical for system designers and operators:

• Torque Capacity (1560 in-lbs): Torque is the rotational force that causes an object to rotate. 1560 inch-pounds represents a significant amount of rotational force, indicating the yoke's ability to drive substantial loads.
• Rotational Speed (1000 RPM): Revolutions per minute (RPM) denotes the speed at which the component rotates. This rating signifies the yoke's capability to operate efficiently at moderate to high speeds without experiencing excessive heat buildup or dynamic imbalances.
• Continuous Duty: This is a critical distinction. "Continuous duty" means the component is designed to operate at its specified load and speed for extended periods without requiring rest or cooling down. This is in contrast to "intermittent duty," where components are rated for short bursts of high load followed by periods of rest. The continuous duty rating of the B1310 Series highlights its robustness and reliability for demanding, non-stop applications.
• Horsepower (25 HP): Horsepower (HP) is a measure of power, which is the rate at which work is done (or energy is transferred). The relationship is HP = (Torque in in-lbs * RPM) / 63,025. A 25 HP continuous rating signifies the substantial power transmission capability of this yoke, making it suitable for a wide array of demanding auxiliary equipment.

These robust performance characteristics make the B1310 Series End Yoke ideal for a diverse range of heavy-duty applications where reliability and sustained power transfer are paramount. Typical applications include:

• Agricultural Machinery: Connecting tractor PTOs to implements like balers, tillers, sprayers, mowers, and feed mixers. The forged steel construction and high torque capacity are essential for enduring the shock loads and continuous operation in demanding farm environments.
• Construction Equipment: Driving hydraulic pumps, winches, augers, or auxiliary attachments on skid-steers, backhoes, or utility vehicles.
• Municipal and Utility Vehicles: Powering salt spreaders, boom lifts, street sweepers, and refuse compactors, where consistent performance is critical for public services.
• Industrial Equipment: Used in conveyors, material handling systems, and stationary power units where reliable power transmission is fundamental to operational continuity.

Interoperability and Standardization

A significant advantage of the Buyers Products B1310 Series End Yoke is its compatibility with other major manufacturers' heavy-duty driveline components. This commitment to industry-standard dimensions and interfaces provides immense flexibility for users. It means that the B1310 yoke can serve as a direct replacement for parts in existing systems or be seamlessly integrated into new designs utilizing components from various suppliers. This interoperability:

• Simplifies Maintenance and Repair: Reduces downtime by allowing for easier sourcing of replacement parts from a broader market.
• Enhances Design Flexibility: Engineers and system builders are not locked into a single supplier for all driveline components.
• Promotes Cost-Effectiveness: Facilitates competitive sourcing and inventory management for end-users and distributors.

Buyers Products' adherence to established industry standards for PTO driveline components underscores their dedication to providing practical, real-world solutions that meet the diverse needs of their customer base.

Installation, Maintenance, and Longevity

While the B1310 Series End Yoke is designed for extreme durability, proper installation and routine maintenance are crucial for maximizing its operational lifespan. Key considerations include:

• Correct Shaft Engagement: Ensuring the 1-1/8 inch hex bore is fully engaged with the mating shaft and the set screw is torqued to specifications prevents slippage and fretting corrosion.
• U-Joint Phasing: When assembling a driveline, ensuring the U-joints are properly phased (oriented correctly relative to each other) is vital to minimize vibration and extend the life of all driveline components.
• Regular Inspection: Periodically checking the yoke for signs of wear, cracks, corrosion, or looseness of the set screw is recommended, especially in high-vibration or corrosive environments.
• Lubrication: While the yoke itself typically requires minimal direct lubrication, ensuring the associated U-joint is properly greased according to manufacturer specifications is paramount.

By adhering to these best practices, operators can ensure that the B1310 Series End Yoke continues to deliver reliable and efficient power transfer throughout its extensive service life.

Buyers Products: A Commitment to Quality and Reliability

The B1310 Series End Yoke is a testament to Buyers Products' unwavering commitment to engineering excellence and manufacturing quality. As a recognized leader in the heavy-duty equipment industry, Buyers Products leverages decades of experience, advanced manufacturing techniques, and stringent quality control processes to produce components that meet and exceed customer expectations. Each B1310 Series End Yoke undergoes rigorous testing to ensure it adheres to its stated performance specifications and durability standards. This dedication to quality translates into products that offer:

• Dependable Performance: Consistent operation even in the most challenging conditions.
• Exceptional Durability: Built to withstand the rigors of heavy-duty use, reducing the frequency of replacements.
• Superior Value: A combination of high quality, long lifespan, and competitive pricing results in a lower total cost of ownership.

Conclusion

The Buyers Products B1310 Series End Yoke with its 1-1/8 Inch Hex Bore is more than just a component; it is a meticulously engineered solution for critical power transmission needs. Its forged steel construction, precise hex bore design, and high-performance ratings for torque and continuous duty make it an indispensable element in heavy-duty PTO driveline systems across various industries. By ensuring seamless flexible coupling, promoting smooth torque transfer, and offering broad compatibility, the B1310 Series End Yoke delivers the reliability, durability, and operational efficiency demanded by today's most challenging applications. For professionals seeking a robust, high-performance end yoke that stands the test of time, the B1310 Series represents an optimal choice, backed by the trusted quality of Buyers Products.