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979583 SKU No.
Double Strand Hub Steel Sprocket For 40-2 Chain (ISO 08A-2)
21 Teeth
20 mm Bore with Standard Keyway and Setsrews
0.283 inch Sprocket Tooth Width (B1)
0.843 inch Sprocket Double Tooth Width (B2)
3.594 inch Outside Diameter (Approximate) (de)
2.75 inch Hub Diameter (dn)
1.5625 inch Total Width (A)
2.94 Lbs (Weight)