Synchronous Pulley; 31.75MM Bore; 68MM Belt Width; 14 MM Belt Pitch; 14M-68 Belt Style; 31 Teeth; 76.454MM Face Width; Finished Bore; 135.357MM Outside Diameter; 138.151MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 140 Chain; 31 Teeth; 1 Row of Teeth; Hardened Teeth; 18.26" Outside Diameter; 17-19/64" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1-3/4" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Synchronous Pulley; 41.275MM Bore; 90MM Belt Width; 14 MM Belt Pitch; 14M-90 Belt Style; 31 Teeth; 98.552MM Face Width; Finished Bore; 135.357MM Outside Diameter; 138.151MM Pitch Diameter; Yes Keyway; No Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 10B-2 Chain; 31 Teeth; 2 Row of Teeth; No Hardened Teeth; B-Hub One Side; Rough Bore Mount; No Bushing; 15.875MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Synchronous Pulley; 68MM Belt Width; 14 MM Belt Pitch; 14M-68 Belt Style; 31 Teeth; 76.454MM Face Width; Rough Bore; 135.357MM Outside Diameter; 138.151MM Pitch Diameter; No Keyway; No Bushing; Minimum Plain Bore