The 31177 industrial-grade bearing is engineered for demanding rotational applications, providing superior reliability and operational lifespan in critical machinery. Manufactured from optimized high-purity bearing steel, this component features a low-friction design and controlled internal clearance (C3 standard) to manage thermal expansion and misalignment common in high-speed and variable-load environments. With stringent compliance to ISO standards and dimensional accuracy (P5 tolerance class), the 31177 minimizes vibration and noise output, ensuring smooth operation even under continuous heavy dynamic loads up to 140 kN. Its precision-honed raceways and robust cage structure are designed to withstand extended periods between maintenance cycles, directly contributing to reduced total cost of ownership (TCO).
Ideal for integration into primary industrial equipment such as large electric motors, gearboxes, pulp & paper machinery, and heavy-duty pumps, this bearing delivers proven performance where uptime is paramount. Choosing the 31177 guarantees consistency and robustness, offering engineers a reliable solution to mitigate unexpected failures and production stoppages. Its enhanced sealing capabilities (optional variants available) protect the internal components from harsh contaminants, extending grease life and ensuring predictable performance across a wide operating temperature range, making it a cornerstone component for maximizing machinery efficiency and throughput.
Key Features
Optimized Internal Geometry for enhanced speed capability and reduced frictional heat generation.
C3 Internal Clearance allows for thermal expansion and minimizes running vibration in high-temperature environments.
Manufactured from ultra-clean steel, significantly extending bearing fatigue life under cyclical loading.
High Radial and Axial Load Capacity suitable for combined loading conditions.
Precision-Honed Raceways ensure superior running accuracy (P5 standard) and quiet operation.
Suitable for lubrication by either oil or grease, providing flexibility in maintenance regimes.
