21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 50 Teeth; 24.638MM Face Width; Bushed; 137.414MM Flange OD; 125.73MM OD; 127.33MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

15MM Belt Width; 5MM Belt Pitch; 5M-15 PowerGrip HTD Belt Style; 50 Teeth; 19.837MM Face Width; Rough Bore; 78.435MM OD; 79.578MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 1.188" Max Bore

Roller Chain Sprocket; 100 Chain; 50 Teeth; 1 Row of Teeth; No Hardened Teeth; 20.619" Outside Diameter; 19.908" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1-1/4" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Worm Gear; 1-9/16" Pitch Diameter; 32 DP; 7/32" Face Width; Rough Bore; 50 Teeth; 14-1/2 Degree Pressure Angle; No Bushing; Minimum Plain Bore; 0.63" Hub Diameter; Acetal; Right Hand; Single; No Hardened Teeth

Synchronous Pulley; 125MM Belt Width; 14MM Belt Pitch; 14MX-125 Belt Style; 50 Teeth; 142.494MM Face Width; Bushed; 236.017MM Flange OD; 220.015MM OD; 222.809MM Pitch Diameter; Yes Keyway; 4535 Bushing; No Minimum Plain Bore