MARTIN SPROCKET & GR
E20B21 ROLLER CHAIN SPROCKET ; METRIC SNG AND DBL
Roller Chain Sprocket; 20B-3 Chain; 21 Teeth; 3 Row of Teeth; No Hardened Teeth; 229.718MM Outside Diameter; 213.03MM 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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PT INTERNATIONAL
20B-3-21A ROLLER CHAIN SPROCKET ; 1-1/4" CHAIN PITCH X 3/4" ROLLER WIDTH
Roller Chain Sprocket; 20B-3 Chain; 21 Teeth; 3 Row of Teeth; No Hardened Teeth; 229.718MM Outside Diameter; 213.03MM Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 31.75MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material
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BDI #
PT INTERNATIONAL
20B-3-21B ROLLER CHAIN SPROCKET ; 1-1/4" CHAIN PITCH X 3/4" ROLLER WIDTH
Roller Chain Sprocket; 20B-3 Chain; 21 Teeth; 3 Row of Teeth; No Hardened Teeth; 229.718MM Outside Diameter; 213.03MM 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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BDI #