Spur Gear; 3-1/2" Pitch Diameter; 12 DP; 3/4" Face Width; Rough Bore; 42 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 1-3/8" Max Bore; 2-1/2" Hub Diameter; Steel

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; 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; 50 Chain; 42 Teeth; 1 Row of Teeth; No Hardened Teeth; 8.715" Outside Diameter; 8.364" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 160 Chain; 42 Teeth; 1 Row of Teeth; No Hardened Teeth; 26.763" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material