MARTIN SPROCKET & GR
D20B13 ROLLER CHAIN SPROCKET ; METRIC SNG AND DBL
Roller Chain Sprocket; 20B-2 Chain; 13 Teeth; 2 Row of Teeth; No Hardened Teeth; 147.853MM Outside Diameter; 132.67MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material
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