Roller Chain Sprocket; 50 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 4.522" Outside Diameter; 4.194" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 60 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 5.426" Outside Diameter; 5.033" Pitch Diameter; B-Hub One Side; Bushed Mount; SDS Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-3/8" Bore; 08B-1 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 2-3/4" Bore; 140-2 Chain; 21 Teeth; 2 Row of Teeth; Hardened Teeth; 12.661" Outside Diameter; 11.743" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1-3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 1-1/8" Bore; 10B-1 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 4.522" Outside Diameter; 4.193" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ISO Roller Chain; Keyway; Steel Material