Roller Chain Sprocket; 08B-1 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 87.808MM Outside Diameter; 81.18MM Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 87.808MM Outside Diameter; 81.18MM Pitch Diameter; A-Double Single; Bushed Mount; 1215 Bushing; 12.7MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 12B-1 Chain; 20 Teeth; 2 Row of Teeth; No Hardened Teeth; 131.724MM Outside Diameter; 121.78MM Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 120 Chain; 20 Teeth; 2 Row of Teeth; No Hardened Teeth; 10.371" Outside Diameter; 9.588" Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 1-1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 1-1/4" Bore; 50 Chain; 20 Teeth; 2 Row of Teeth; No Hardened Teeth; 4.321" Outside Diameter; 3.995" Pitch Diameter; A-Double Single; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material