21MM Belt Width; 8MM Belt Pitch; 8MPC-21 QT PowerChain II Belt Style; 40 Teeth; 24.638MM Face Width; Bushed; 110.236MM Flange OD; 100.254MM OD; 101.854MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

Synchronous Pulley; 50MM Belt Width; 8 Millimeter Belt Pitch; 8M-50 Belt Style; 40 Teeth; 53.975MM Face Width; Bushed; 110.236MM Flange OD; 100.49MM OD; 101.86MM Pitch Diam; Yes Keyway; 14 To 50MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

1/2" Belt Width; 3/8 Inch Belt Pitch; L Belt Style; 40 Teeth; 3/4" Face Width; Rough Bore; 5" Flange OD; 4.745" Outside Diameter; 4.775" Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore; 2.375" Max Bore

Roller Chain Sprocket; 1-1/4" Bore; 40 Chain; 40 Teeth; 1 Row of Teeth; No Hardened Teeth; 6.653" Outside Diameter; 6.373" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Worm Gear; 1-1/4" Pitch Diameter; 32 DP; 7/32" Face Width; Rough Bore; 40 Teeth; 14-1/2 Degree Pressure Angle; No Bushing; Minimum Plain Bore; 0.62" Hub Diameter; Bronze; Right Hand; Single; No Hardened Teeth