Roller Chain Sprocket; 083-1 | 084-1 Chain; 18 Teeth; 1 Row of Teeth; No Hardened Teeth; 78.9MM Outside Diameter; 73.14MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

16MM Belt Width; 10 Millimeter Belt Pitch; T10-16 Belt Style; 18 Teeth; 21MM Face Width; Rough Bore; 60MM Flange OD; 55.45MM OD; 57.45MM Pitch Diam; No Keyway; No Bushing; No Minimum Plain Bore

3/8" Belt Width; 1/5 Inch Belt Pitch; XL Belt Style; 18 Teeth; 0.43" Face Width; Rough Bore; 1.378" Flange OD; 1-1/8" Outside Diameter; 1.146" Pitch Diameter; No Keyway; No Bushing; No Minimum Plain Bore

25MM Belt Width; 5 Millimeter Belt Pitch; 5M-25 Belt Style; 18 Teeth; 30.5MM Face Width; Rough Bore; 32MM Flange OD; 27.51MM OD; 28.65MM Pitch Diam; No Keyway; No Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 12B-1 Chain; 18 Teeth; 1 Row of Teeth; No Hardened Teeth; 119.456MM Outside Diameter; 109.71MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 19.05MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material