SMR4 Reducer Kit Part Number: 4WTBK-2 7/16 SMR4 Reducer Kit quantity Request Quote Category: Bearings & Bushings Description Description Part Number: 4WTBK-2 7/16 Related products 1” 3/8 QD Bushing Request Quote Conveyer Pulley Diamond Lag Request Quote H 1 1/8 RBL BUSHING Request Quote Shaft Mount Bushing 1”15/16 Request Quote Post navigationPrev SK 1 15/16 RBL Bushing Next Shaft Mount Bushing 1”15/16