Roller Chain Sprocket; 1-1/4" Bore; 40-2 Chain; 18 Teeth; 2 Row of Teeth; No Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Stainless Steel Material

Roller Chain Sprocket; 5/8" Bore; 40-2 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 40-2 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 3.136" Outside Diameter; 2.879" Pitch Diameter; C-Hub Both Sides; Bushed Mount; P1 Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 40MM Bore; 40-2 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 79.654MM Outside Diameter; 73.127MM Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 12.7MM Chain Pitch; ANSI Roller Chain; Keyway; Steel Material

Roller Chain Sprocket; 30MM Bore; 40-2 Chain; 18 Teeth; 2 Row of Teeth; Hardened Teeth; 79.654MM Outside Diameter; 73.127MM Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 12.7MM Chain Pitch; ANSI Roller Chain; Keyway; Steel Material