TIMKEN 42687 Series Tapered Roller Bearing Set – High Capacity, Precision Industrial Grade

The TIMKEN 42687 Tapered Roller Bearing set is engineered for maximum reliability in severe operating environments. This design efficiently manages combined radial and heavy axial loads, utilizing optimized roller geometry and precision-matched components (cone and cup) to ensure smooth torque transfer and minimal friction losses. Constructed from high-purity, case-carburized steel, the 42687 exhibits exceptional surface hardness and core toughness, crucial for resisting shock loading, abrasive wear, and edge stress in critical machinery hubs and gearboxes. Our proprietary manufacturing processes ensure tight dimensional tolerances and superior surface finishes, resulting in reduced operating temperatures and predictable performance across demanding duty cycles. Selecting the TIMKEN 42687 guarantees a significant reduction in Total Cost of Ownership (TCO) through extended maintenance intervals and minimized unplanned downtime. This bearing is the preferred choice for industrial applications requiring unmatched durability, including heavy-duty truck axles, agricultural equipment, construction machinery (loaders, cranes), and complex industrial transmissions. Timken's global engineering support ensures that this component not only meets but exceeds stringent ABMA and ISO standards, providing the confidence required for mission-critical installations where failure is not an option. Invest in the longevity and performance of your assets with genuine Timken reliability.

Key Features

• Optimized Roller Profile: Reduces edge stress and increases service life under heavy fluctuating loads.
• Case-Carburized Steel: Provides a hardened rolling surface with a tough, ductile core to resist shock and cracking.
• Superior Load Distribution: Designed to handle high concurrent radial and axial forces simultaneously.
• Precision-Matched Components: Ensures accurate bearing setting and optimal running clearance, minimizing heat generation.
• Dimensional Stability: Maintains consistent performance and tight tolerances across a wide operating temperature range.
• Reduced Friction Torque: Advanced surface finishing minimizes friction, lowering energy consumption and extending lubricant life.

Technical Specifications