NSK 6922 Deep Groove Ball Bearing - 110 mm ID, 150 mm OD, 20 mm Width Chain The set has a hardness

The set has a hardness at the engraving between 58 and 60 HRC

The Whittet-Higgins SC-15A is a two-piece (split) shaft collar machined to inch dimensions

The 3-jaw puller with adjustable puller jaws for external and internal extraction is used for pulling bearings

Print pieces are replacement parts for various KUKKO tools

specially adapted to the most common screw connections on a bicycle

NSK 6922 Deep Groove Ball Bearing - 110 mm ID, 150 mm OD, 20 mm Width Chain The set has a hardnessDeep 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.