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Model Specifications

Part No. Part Desc. No. of Teeth Outside Dia. Pitch Diameter Max Bore Hub Dia. L.T.B Wgt. LBS
4421D 40B21 x 7/8" KW 2SS 21 3.620" 3.355" 1 7/8" 2 3/4" 1" 1.53

Dimensions in inches & pounds.