MARTIN SPROCKET & GR
40SH21H ROLLER CHAIN SPROCKET ; QD SABERTOOTH
Roller Chain Sprocket; 40 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Bushed Mount; SH Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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MARTIN SPROCKET & GR
40BS21HT 3/4 ROLLER CHAIN SPROCKET ; BORE TO SIZE HARDENED TEETH
Roller Chain Sprocket; 3/4" Bore; 40 Chain; 21 Teeth; 1 Row of Teeth; Hardened Teeth; 3.618" Outside Diameter; 3.355" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; Keyway; Steel Material
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