Aerospace: Airframe Control Bearings
Aerospace Bearings » Airframe Control

MS27646-39 Bearing Airframe Control | Light Duty Torque Tube

Part No.
MS27646-39
Standard Part No.
B539DD
Governing Specs
SAE AS7949

Specifications

Approx. Weight Dimensional Diagram
Duty
Light Duty
Seals
PTFE coated fabric
Bore Inner Diameter
.7500 +.0000/-.0005
Outer Diameter
1.1875 +.0000/-.0005
Inner Ring Width
.2810 +.000/-.005
Outer Ring Width
.2500 +.000/-.005
Inner Ring Shoulder Diameter
.8980 Approx.
Outer Ring Chamfer x 45°
.0150 +.015/-.000
Inner Ring Chamfer x 45°
.0150 +.015/-.000
No. Balls
24
Ball Size
1/8 "
Static Radial Limit Load Rating
3750 lbs.
Static Thrust Limit Load Rating
1700 lbs.
Approx. Weight
0.040 lbs.

Interchange

National Precision Bearing Part No MS27646-39 is an interchangable replacement for these common bearing part numbers:

NHBB
B539DD
RBC Aircraft
B539DD FS464
Schatz
B539DD-H

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