Nachi America Inc Radial Ball Bearing, Bore Dia 20 mm, Outer Dia 42 mm, Width 12 mm, Double Shield

The NACHI 6004ZZ deep groove ball bearing features a 20 mm inner diameter, 42 mm outer diameter, and 12 mm width, constructed from high-quality JIS SUJ2 steel for both inner and outer rings. It includes double metal shields on both sides to prevent contamination and grease leakage, with a stamped steel cage and C3 internal clearance for enhanced performance. This bearing supports a dynamic load capacity of 9400 N and a static load of 5000 N, operating smoothly up to 18,000 RPM with grease lubrication. It offers excellent radial and axial load capacity, low noise, and long service life, suitable for electric motors, automotive starters, and compressors. The bearing is precision grade P0 and designed for temperatures up to 120°C. Its compact dimensions and robust design ensure reliable high-speed operation in demanding industrial applications.