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 RBL 1’7/16 QD Bushing Request Quote 1” 15/16 Shaft Request Quote F208 Flange Block Request Quote H 1 1/4 RBL Bushing Request Quote Post navigationPrev SK 1 15/16 RBL Bushing Next Shaft Mount Bushing 1”15/16