Aerospace: Airframe Control Bearings
Aerospace Bearings » Airframe Control

B540 Bearing Airframe Control | Torque Tube

Part No.
B540
Governing Specs
SAE AS7949

Specifications

Approx. Weight Dimensional Diagram
Duty
Extra Light Duty
Bore Inner Diameter
.8750 +.0000/-.0005
Outer Diameter
1.3125 +.0000/-.0005
Inner Ring Width
.2810 +.000/-.005
Outer Ring Width
.2500 +.000/-.005
Inner Ring Shoulder Diameter
1.0190 Approx.
Outer Ring Chamfer x 45°
.0150 +.015/-.000
Inner Ring Chamfer x 45°
.0150 +.015/-.000
No. Balls
27
Ball Size
1/8 "
Static Radial Limit Load Rating
4220 lbs.
Static Thrust Limit Load Rating
1900 lbs.
Approx. Weight
0.040 lbs.

Interchange

National Precision Bearing Part No B540 is an interchangable replacement for these common bearing part numbers:

NHBB
B540
RBC Aircraft
B540 FS464
Schatz
B540

Dimensions and Values provided are for reference only. A full specification can be obtained at the Society of Automotive Engineering website.