Leeson Electric 821 Style BMQ Washdown Gear Reducer has one-piece cast iron housings with single output cover design, CNC machined for precise component fit and alignment. Oversize high-speed bearings, positively retained for frequent reversing and start/stop cycles. Features o-rings on all bearing covers, eliminating gaskets, sealants and leaks. Leeson Electric 821 Style BMQ Washdown Gear Reducers are directly interchangeable with other brands of cast iron worm reducers, including Baldor, Boston Browning, Dodge, Grove and Morse. Ultimate application flexibility with all-angle mounting provisions, the widest selection of accessory bases and flanges and the largest selection of stock reducer styles.