36MM Belt Width; 8MM Belt Pitch; 8M-36 Poly Chain GT2 Belt Style; 33 Teeth; 42.164MM Face Width; Bushed; 90.576MM Flange OD; 82.423MM OD; 84.023MM Pitch Diam; Keyway; 12.7 To 42.863MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 1" Bore; 50 Chain; 33 Teeth; 1 Row of Teeth; No Hardened Teeth; 6.921" Outside Diameter; 6.575" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 5/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

21MM Belt Width; 8MM Belt Pitch; 8M-21 Poly Chain GT2 Belt Style; 33 Teeth; 23.368MM Face Width; Bushed; 90.576MM Flange OD; 82.423MM OD; 84.023MM Pitch Diam; Keyway; 12.7 To 42.863MM Bushing Bore Range; 1610 Bushing; No Minimum Plain Bore