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Model Specifications

Part No. Part Description No. of Teeth Outside Diameter Pitch Diameter Bore Max Bore Hub Dia. L.T.B Wgt. Lbs.
40B21 40B21H 21 3.620" 3.355" 5/8" 1 7/8" 2 3/4" 1" 1.73

Dimensions in inches & pounds.