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Model Specifications

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

Dimensions in inches & pounds.