The Linear 2110-188 is a Flange and Bearing Assembly designed for Linear BGU barrier gate operator and Nortek BGU series barrier operator. Square Arm Flange and Bearing Assembly for Linear Barrier Gate Operators. This OEM replacement part maintains the original design specifications for reliable field service and repair. The flange and bearing assembly is sold as an individual replacement component for authorized technicians and gate service professionals.
A: The flange assembly serves as the mounting interface between the barrier arm and the operator drive mechanism. It houses the bearing that supports the arm pivot and the square arm attachment fitting.
A: The square arm designation refers to the profile of the barrier arm tube this flange is designed to accept. Verify that your existing barrier arm is a square-profile tube before ordering this flange assembly, as round-arm variants require a different part.
A: The integrated bearing within the flange assembly reduces friction at the arm pivot point, extending service life and reducing motor load. Replace the flange assembly if the bearing shows play, roughness, or noise during arm travel.
A: This flange assembly is designed for the standard BGU operator configuration. The -UPS variant (2110-188-UPS) is an updated specification version. Confirm your operator production date with the serial number to determine which variant is correct for your unit.
A: Inspect the bearing for roughness or play, check the flange body for cracks or deformation, and examine the arm interface fitting for wear or stripping. Any of these conditions indicate replacement is needed.