Roller Chain Sprocket; 40 Chain; 42 Teeth; 1 Row of Teeth; No Hardened Teeth; 6.972" Outside Diameter; 6.691" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 42 Teeth; 1 Row of Teeth; No Hardened Teeth; 6.972" Outside Diameter; 6.691" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 42 Teeth; 1 Row of Teeth; Hardened Teeth; 6.972" Outside Diameter; 6.691" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material