90MM Belt Width; 14MM Belt Pitch; 14M-90 Poly Chain GT2 Belt Style; 40 Teeth; 98.552MM Face Width; Rough Bore; 191.008MM Flange OD; 175.463MM OD; 178.257MM Pitch Diam; No Keyway; No Bushing; Minimum Plain Bore; 4.375" Max Bore

36MM Belt Width; 8MM Belt Pitch; 8M-36 Poly Chain GT2 Belt Style; 40 Teeth; 40.132MM Face Width; Bushed; 112.014MM Flange OD; 100.254MM OD; 101.854MM Pitch Diam; Keyway; 12.7 To 53.975MM Bushing Bore Range; 2012 Bushing; No Minimum Plain Bore