B539 Extra Light Torque Tube Type Airframe Control Bearing 3/4" x 1 7/8" x 9/32" inchB539 Extra Light Torque Tube Type Airframe Control Bearing 3 4" x 1 7 8" x 9 32" inch NON AIRCRAFT USE! B539 Single row, extra light duty Air frame control Ball Bearing Extra light duty Single row ball bearing Open Type Brand: VXB Full complement. Ball Number: 24 3 4" x 1 7 8" x 9 32" inch Radial Load (lbf): 3750 Thrust Load (lbf): 1700 Lubricated with a preservative made of chromium alloy, high carbon steel and not cadmium plated Quantity: One Bearing