NSK 6904-ZZNR Deep Groove Ball Bearing - 20 mm ID, 37 mm OD, 9 mm Width STI Their high-speed capability and precision

Their high-speed capability and precision make them ideal for machine tool spindles and other high-precision applications

0000 mm BORE DIA

Engineered for efficiency

Suitable for bits with 4 mm halfmoon drive (Wera series 9) and 4 mm HIOS drive (Wera series 21): with quick-release chuck

Angular Spherical Plain Bearings can accommodate heavy loads in both directions

NSK 6904-ZZNR Deep Groove Ball Bearing - 20 mm ID, 37 mm OD, 9 mm Width STI Their high-speed capability and precisionDeep Groove Ball Bearing NSK deep groove ball bearings are versatile, robust, and accommodate radial and axial loads in both directions. Their simple design, low friction, and high speed capability make them suitable for a wide range of industrial applications, from electric motors to gearboxes. Sealed and shielded variants protect against contamination, while open versions allow easy lubrication.