Roller Chain Sprocket; 08B-1 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 87.808MM Outside Diameter; 81.18MM Pitch Diameter; A-Double Single; Rough Bore Mount; No Bushing; 12.7MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 87.808MM Outside Diameter; 81.18MM Pitch Diameter; A-Double Single; Bushed Mount; 1215 Bushing; 12.7MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 08B-1 Chain; 20 Teeth; 1 Row of Teeth; Hardened Teeth; 87.808MM Outside Diameter; 81.18MM Pitch Diameter; B-Hub One Side; Bushed Mount; 1210 Bushing; 12.7MM Chain Pitch; ISO Roller Chain; Keyway; Steel Material

Synchronous Pulley; 3" Belt Width; 1/2 Inch Belt Pitch; H Belt Style; 20 Teeth; 3.307" Face Width; Bushed; 3.129" Outside Diameter; 3.183" Pitch Diameter; Yes Keyway; 1/2 To 1-5/8" Bushing Bore Range; 1615 Bushing; No Minimum Plain Bore

Roller Chain Sprocket; 20B-2 Chain; 20 Teeth; 2 Row of Teeth; Hardened Teeth; 219.532MM Outside Diameter; 202.96MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material