3/8" Belt Width; 1/5 Inch Belt Pitch; XL Belt Style; 12 Teeth; 0.43" Face Width; Rough Bore; 63/64" Flange OD; 0.744" Outside Diameter; 0.764" Pitch Diameter; No Keyway; No Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 08B-2 Chain; 12 Teeth; 2 Row of Teeth; No Hardened Teeth; 55.016MM Outside Diameter; 49.07MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

10MM Belt Width; 5 Millimeter Belt Pitch; AT5-10 Belt Style; 12 Teeth; 15MM Face Width; Rough Bore; 23MM Flange OD; 17.85MM OD; 19.1MM Pitch Diam; No Keyway; No Bushing; No Minimum Plain Bore

10MM Belt Width; 5 Millimeter Belt Pitch; T5-10 Belt Style; 12 Teeth; 15MM Face Width; Rough Bore; 23MM Flange OD; 18.25MM OD; 19.25MM Pitch Diam; No Keyway; No Bushing; No Minimum Plain Bore

16MM Belt Width; 5 Millimeter Belt Pitch; T5-16 Belt Style; 12 Teeth; 21MM Face Width; Rough Bore; 23MM Flange OD; 18.25MM OD; 19.25MM Pitch Diam; No Keyway; No Bushing; No Minimum Plain Bore