The LiftMaster K011A0049 Flange Bearing is a genuine OEM replacement part engineered to support and stabilize a rotating shaft in LiftMaster operator assemblies. Identified as “FLANGE BEARING, 3/4"X1-1/4"X1/2",” it provides smooth rotation and precise alignment where a shaft passes through a mounting plate or bracket, helping reduce friction and wear on sprockets, drums, and pulleys. Commonly used in LiftMaster commercial door operators and certain trolley-rail assemblies, this component helps restore proper operation and quiet performance in repair and maintenance scenarios. Its flanged design seats securely in the housing and helps control axial movement of the shaft during operation.
As a LiftMaster OEM part, K011A0049 is intended for model-specific applications; always verify fitment using your operator’s parts diagram or service manual before ordering. Typical installation involves pressing the bearing into the designated plate or bracket and inserting the shaft through the bore, aligning per the equipment’s exploded view. No programming is required, but safe servicing practices are essential: disconnect power to the opener, secure the door or gate load, and follow all manufacturer instructions; professional installation is recommended for commercial systems. This part is a dependable choice for technicians and facility managers seeking a precise LiftMaster replacement bearing for garage door openers and commercial door operators.