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 F209 4 Bolt Flange Request Quote H 1 1/8 RBL BUSHING Request Quote 1” 15/16 Shaft Request Quote 209 Insert Bearing Request Quote Post navigationPrev SK 1 15/16 RBL Bushing Next Shaft Mount Bushing 1”15/16