Roller Chain Sprocket; 25 Chain; 27 Teeth; 1 Row of Teeth; Hardened Teeth; 2.289" Outside Diameter; 2.154" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 28B-1 Chain; 27 Teeth; 1 Row of Teeth; Hardened Teeth; 406.984MM Outside Diameter; 382.88MM 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; 50 Chain; 27 Teeth; 1 Row of Teeth; Hardened Teeth; 5.723" Outside Diameter; 5.384" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 100 Chain; 27 Teeth; 1 Row of Teeth; Hardened Teeth; 11.445" Outside Diameter; 10.768" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 20B-1 Chain; 27 Teeth; 1 Row of Teeth; Hardened Teeth; 290.703MM Outside Diameter; 273.49MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Carbon Steel Material