80 1-NO30 - RENOLD 1 Inch Pitch Premier Standard Link C53 Protorque Bearing The Bearing's dimensions are 5x12x22mm

The Bearing's dimensions are 5x12x22mm

This 6220 C3 SKF bearing is a Open Type Deep Groove Radial Ball Bearing with a larger than standard radial internal clearance The bearing's dimensions are 100x180x34

63 16 M Medium Series 80mm - Bore Size Solid Brass Cage Normal Radial Internal Clearance

This S6203 FAG bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 17x40x12

This QJ217-MPA bearing is a a four point contact bearings with a machined brass cage with the outer ring centred and a normal internal clearance

80 1-NO30 - RENOLD 1 Inch Pitch Premier Standard Link C53 Protorque Bearing The Bearing's dimensions are 5x12x22mmDouble cranked links are available for most sizes and types of chain. The unit consists of an inner link (No. 4), with cranked links retained permanently in position by a riveted bearing pin. Screw operated extractors break chain by forcing the Renold end softened bearing pins out of the outer link plates. For other brands of chain, the rivet swell must first be ground away.