Roller Chain Sprocket; 12B-1 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 180.492MM Outside Diameter; 170.14MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 24B-1 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 361.01MM Outside Diameter; 340.29MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 38.1MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 25 Chain; 28 Teeth; 1 Row of Teeth; No Hardened Teeth; 2.369" Outside Diameter; 2.233" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 28B-1 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 421.157MM Outside Diameter; 397MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 20B-1 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 300.838MM Outside Diameter; 283.57MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material