Roller Chain Sprocket; 50 Chain; 51 Teeth; 1 Row of Teeth; Hardened Teeth; 10.508" Outside Diameter; 10.153" 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; 28B-1 Chain; 51 Teeth; 1 Row of Teeth; Hardened Teeth; A-No Hub; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 12B-1 Chain; 51 Teeth; 1 Row of Teeth; Hardened Teeth; 318.4MM Outside Diameter; 309.45MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 60 Chain; 51 Teeth; 1 Row of Teeth; Hardened Teeth; 12.61" Outside Diameter; 12.183" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 180 Chain; 51 Teeth; 1 Row of Teeth; Hardened Teeth; A-No Hub; Rough Bore Mount; No Bushing; 2-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material