NSK 21312-EAE4 Spherical Roller Bearing - 60 mm ID, 130 mm OD, 31 mm Width Ball Insert Bearing The set has a hardness

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

22-mm [7/8- in]

The Whittet-Higgins SC-34S is a two-piece (split) shaft collar machined to inch dimensions

6 oz Pocket Clip Right/Left Hand

NSK 21312-EAE4 Spherical Roller Bearing - 60 mm ID, 130 mm OD, 31 mm Width Ball Insert Bearing The set has a hardnessSpherical Roller Bearing NSK spherical roller bearings are self aligning bearings designed for very high radial loads and moderate axial loads. Their two rows of barrel shaped rollers and concave outer raceway tolerate misalignment between shaft and housing, making them ideal for heavy industries such as mining, paper, and material handling.