SYNERGY 60-1-NO30 - RENOLD 3/4 Inch Pitch Synergy Link 52217.SKF This NU304W bearing is a

This NU304W bearing is a single row cylindrical roller bearing

This LJ30 R&M bearing is a Open Type Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 30x62x16

53 08 ZZ TN C3 Double Row Angular Contact

This SE509V bearing is a Plummer Block Housing with grease escape hole in the base

SYNERGY 60-1-NO30 - RENOLD 3/4 Inch Pitch Synergy Link 52217.SKF This NU304W bearing is aDouble 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.