Roller Chain Sprocket; 40 Chain; 20 Teeth; 1 Row of Teeth; No Hardened Teeth; 3.457" Outside Diameter; 3.196" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Angular Contact Ball Bearing; 25MM Bore; 52MM Outside Diameter; 20.6MM Width; Open; No Flush Ground; Double Row of Balls; ABEC 3 | ISO P6; No Filling Slot; No Snap Ring; C0-Medium Internal Clearance; Steel Cage; 25 Degree; 1 (Single)

Single Row Ball Bearing; 30MM Bore; 62MM Outside Diameter; 20MM Outer Race Width; 2 Seals; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; C0-Medium Internal Clearance; Steel Cage

Shaft Bushing; 28MM Bore; 57.15MM Outside Diameter; 25.4MM Length Thru Bore; 1610 Bushing Series; Keyway; Taper Lock Bushing