Synchronous Pulley; 12MM Belt Width; 8 MM Belt Pitch; 8M-12 Belt Style; 48 Teeth; 0.57MM Face Width; Bushed; 4.749MM Outside Diameter; 4.812MM Pitch Diameter; Yes Keyway; 2012 Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 08B-3 Chain; 48 Teeth; 3 Row of Teeth; No Hardened Teeth; 201.371MM Outside Diameter; 194.18MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 2-3/4" Bore; 60 Chain; 48 Teeth; 1 Row of Teeth; No Hardened Teeth; 11.893" Outside Diameter; 11.468" Pitch Diameter; A-No Hub; Finished Bore Mount; No Bushing; 3/4" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 35-3 Chain; 48 Teeth; 3 Row of Teeth; No Hardened Teeth; 5.946" Outside Diameter; 5-47/64" Pitch Diameter; B-Hub One Side; Bushed Mount; P1 Bushing; 3/8" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Spur Gear; 4" Pitch Diameter; 12 DP; 3/4" Face Width; Rough Bore; 48 Teeth; 14-1/2 Degree Pressure Angle; Yes Minimum Plain Bore; 1-1/2" Max Bore; 2-1/2" Hub Diameter; Stainless Steel; No Hardened Teeth