B542 Extra Light Torque Tube Type Airframe Control Bearing 1.3125" x 1.75" x 0.25" Ball Diameter - 4 inch (4") - NSK 6816DD

- NSK 6816DD

219P Deep groove ball bearings single row Radial Bearing 85 mm ID x 150 mm OD x 28 mm Wide

✨ Bronze Cage - 65mm x 140mm x 45mm

S6902 Food Grade Stainless Steel Open Ball Bearing

✨ Sealed Ball Bearing - 30mm x 55mm x 23mm

B542 Extra Light Torque Tube Type Airframe Control Bearing 1.3125" x 1.75" x 0.25" Ball Diameter - 4 inch (4") - NSK 6816DDB542 Airframe Control Bearing Extra Light Torque Tube 1 5 16" x 1 3 4" x 1 4" The B542 is an open style, single row ball bearing built for torque tube and airframe control applications. This extra light duty bearing is made from chromium alloy, high carbon steel and comes lubricated with a preservative. It's engineered for weight sensitive aerospace setups where smooth rotation and minimal friction are key. Bore: 1 5 16" (1. 3125") Outer diameter: 1 3