Roller Chain Sprocket; 08B-1 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 91.897MM Outside Diameter; 85.21MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 100 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 9.044" Outside Diameter; 8.388" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Synchronous Pulley; 9MM Belt Width; 3 MM Belt Pitch; 3M-9 Belt Style; 21 Teeth; 12.8MM Face Width; Rough Bore; 19.29MM Outside Diameter; 20.05MM Pitch Diameter; No Keyway; No Bushing; Yes Minimum Plain Bore

Roller Chain Sprocket; 60 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 5.426" Outside Diameter; 5.033" Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 91.897MM Outside Diameter; 85.21MM Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material