Nachi America Inc Deep Groove Radial Ball Bearing, Bore Dia 75 mm, Outer Dia 160 mm, Width 37 mm, Double Shield

The NACHI 6315ZZEC3 deep groove ball bearing features a single row design with a 75 mm bore diameter, 160 mm outer diameter, and 37 mm width. Constructed with JIS SUJ2 steel rings and a stamped steel cage, it includes double steel shields for protection and C3 internal clearance for optimal performance. It offers a dynamic load capacity of 113,000 N and static load capacity of 77,000 N, supporting speeds up to 4,300 RPM with grease lubrication and a maximum operating temperature of 120°C. The bearing is precision class P0, designed for smooth, quiet operation with low torque and long service life. A ceramic hybrid version with silicon nitride rolling elements provides electrical insulation, reduced temperature rise, and speeds up to 5,400 RPM, ideal for electric motors and CNC machinery applications.