NSK 4308 Deep Groove Ball Bearing - 40 mm ID, 90 mm OD, 33 mm Width Stethoscope It utilizes a setscrew locking

It utilizes a setscrew locking collar or Sealmaster’s exclusive Skwezloc® concentric locking collar for secure shaft attachment

the disassembly of the support joint occurs without contact with other axle components

hard-stamped markings allow for easy identification and can be easily recognized as SAE (double line) or metric (knurled line)

Suitable for the take-up of bits with 4 mm halfmoon drive (Wera series 9) and 4 mm HIOS drive (Wera series 21)

NSK 4308 Deep Groove Ball Bearing - 40 mm ID, 90 mm OD, 33 mm Width Stethoscope It utilizes a setscrew lockingDeep 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.