SW IR 1220 Precision Needle Roller Bearing Inner Ring (60x70x20mm) | High Radial Load Capacity
The SW IR 1220 Inner Ring is engineered specifically to maximize the performance and longevity of caged or full-complement needle roller bearing assemblies in demanding industrial environments. Manufactured from high-grade, through-hardened chrome steel (SAE 52100 equivalent), this inner ring provides an exceptionally hard and smooth raceway surface that minimizes friction and wear, even under conditions of high oscillating movement or peak loads. Its precise dimensional stability, adhering strictly to ISO and ABMA tolerances, ensures seamless integration and optimal clearance fit with mating components. The finely ground surface finish dramatically reduces contact stress and heat generation, resulting in significantly extended service intervals and enhanced operational efficiency across critical machinery.
Designed for applications requiring the utmost rigidity and reliable radial support, the IR 1220 is a robust choice for heavy-duty gearboxes, agricultural equipment, construction machinery, and industrial pumps. Its compact cross-section allows for higher load ratings within constrained housing dimensions, a critical factor for machine downsizing without sacrificing power density. Utilizing the SW IR 1220 ensures reduced total cost of ownership by drastically cutting unplanned downtime and replacement frequency, making it the preferred component for maintenance engineers focused on maximizing asset uptime and production throughput. This ring is ready for use with both drawn cup and machined needle roller bearing outer races.
Key Features
Through-Hardened Steel construction ensures exceptional resistance to wear and fatigue.
Precision-ground raceway surface minimizes frictional losses and operating heat.
Optimized surface finish allows for maximum lubrication film effectiveness.
High static and dynamic load ratings suitable for demanding industrial transmissions.
Compact cross-section design maintains rigidity in space-constrained applications.
Interchangeable with standard metric needle roller bearing assemblies (IR/LR Series).
