The LiftMaster 041K4498 Ball Bearing (1") is a genuine OEM replacement component designed for select LiftMaster door operators and drive assemblies. It supports a 1" shaft to enable smooth, low-friction rotation of sprockets, pulleys, or drive tubes, helping restore quiet operation, proper alignment, and dependable performance. This part is commonly used in LiftMaster commercial-style drive systems where a 1" bearing is specified and is an ideal replacement when the original bearing shows wear, noise, or play.
For compatibility, confirm that part number 041K4498 appears in your operator’s parts diagram or service manual before purchase; install it in any assembly where a 1" bearing is called out by LiftMaster. Installation typically involves disconnecting power, supporting the shaft, removing retaining hardware, and pressing or seating the bearing into its housing, followed by alignment checks and a manual test cycle. No wiring or programming is required. This genuine LiftMaster replacement part is well-suited for maintenance and repair of select LiftMaster garage door and commercial door operators, offering a direct-fit solution for 1" shaft applications.