MB540 Airframe Control Bearings Extra Light Duty Torque Tube
NPB Part Series MB540
Standard Reference No. MS21428-40
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Inner Ring Width0.281
Outer Ring Width0.2500
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Products Available Online
Due to high demand, please Contact National Precision Bearing for specific inventory and lead time details.
National Precision Bearing Part series MB540 is a potential replacement for these common bearing part numbers:
RBC AircraftMB540DD FS464