21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 45 Teeth; 24.638MM Face Width; Bushed; 124.714MM Flange OD; 112.979MM OD; 114.579MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

Change Gear; 1-1/4" Bore; 4-1/2" Pitch Diameter; 10 DP; 1" Face Width; Finished Bore; 45 Teeth; 14.5 Pressure Angle; No Bushing; No Minimum Plain Bore; Steel; No Hardened Teeth

Roller Chain Sprocket; 40 Chain; 45 Teeth; 1 Row of Teeth; No Hardened Teeth; 7.45" Outside Diameter; 7.168" Pitch Diameter; B-Hub One Side; Bushed Mount; SDS Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

36MM Belt Width; 8MM Belt Pitch; 8M-36 Poly Chain GT2 Belt Style; 45 Teeth; 40.132MM Face Width; Bushed; 124.714MM Flange OD; 112.979MM OD; 114.579MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 50 Chain; 45 Teeth; 1 Row of Teeth; No Hardened Teeth; 9-5/16" Outside Diameter; 8.96" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material