SYNERGY 60-3-NO26 - RENOLD 3/4 Inch Pitch Synergy Link 50x80x23 This 686ZZ NSK bearing is

This 686ZZ NSK bearing is a Shielded Deep Groove Radial Ball Bearing with a standard radial internal clearance The bearing's dimensions are 6x13x5

This 6306 2Z C3GJN SKF bearing is a Shielded Deep Groove Radial Ball Bearing with a larger than standard radial internal clearance

This NP1050-45K bearing is a Cast Iron Pillow Block Unit with a bearing insert with a tapered bore

63 07 Z NR Medium Series 35mm - Bore Size Metal Shield on One Side of Bearing Normal Radial Internal Clearance Snap ring groove in the outer ring

SYNERGY 60-3-NO26 - RENOLD 3/4 Inch Pitch Synergy Link 50x80x23 This 686ZZ NSK bearing isUsed on short pitch chains only. Supplied with two connecting pins riveted into the outer plate, the clearance fit connecting plate being secured by means of a spring clip, No. 27, which snaps into the grooves in the pins.