Aerospace: Airframe Control Bearings
Aerospace Bearings » Airframe Control

B544 Bearing Airframe Control | Torque Tube

Part No.
B544
Governing Specs
SAE AS7949

Specifications

Approx. Weight Dimensional Diagram
Duty
Extra Light Duty
Bore Inner Diameter
1.8125 +.0010/-.0010
Outer Diameter
2.2500 +0.0000/-0.0015
Inner Ring Width
.2810 +.000/-.005
Outer Ring Width
.2500 +.000/-.005
Inner Ring Shoulder Diameter
1.9740 Approx.
Outer Ring Chamfer x 45°
.0150 +.015/-.000
Inner Ring Chamfer x 45°
.0150 +.015/-.000
No. Balls
51
Ball Size
1/8 "
Static Radial Limit Load Rating
7980 lbs.
Static Thrust Limit Load Rating
3600 lbs.
Approx. Weight
0.09 lbs.

Interchange

National Precision Bearing Part No B544 is an interchangable replacement for these common bearing part numbers:

NHBB
B544
RBC Aircraft
B544 FS464
Schatz
B544

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