Roller Chain Sprocket; 1-1/4" Bore; 40 Chain; 42 Teeth; 1 Row of Teeth; No Hardened Teeth; 6.972" Outside Diameter; 6.691" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; 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

Spur Gear; 7/8" Pitch Diameter; 48 DP; 1/8" Face Width; Rough Bore; 42 Teeth; 20 Degree Pressure Angle; Minimum Plain Bore; 0.55" Hub Diameter; Molded Delrin

Spur Gear; 7" Pitch Diameter; 6 DP; 2" Face Width; Rough Bore; 42 Teeth; 20 Degree Pressure Angle; Minimum Plain Bore; 3-1/2" Hub Diameter; Cast Iron

Spur Gear; 1-3/4" Pitch Diameter; 24 DP; 1/4" Face Width; Rough Bore; 42 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 0.62" Hub Diameter; Brass