Aerospace: Airframe Control Bearings
Aerospace Bearings » Airframe Control

MS27646-42 Bearing Airframe Control | Light Duty Torque Tube

Part No.
MS27646-42
Standard Part No.
B542DD
Governing Specs
SAE AS7949

Specifications

Approx. Weight Dimensional Diagram
Duty
Light Duty
Seals
PTFE coated fabric
Bore Inner Diameter
1.3125 +.0000/-.0005
Outer Diameter
1.7500 +.0000/-.0005
Inner Ring Width
.2810 +.000/-.005
Outer Ring Width
.2500 +.000/-.005
Inner Ring Shoulder Diameter
1.4540 Approx.
Outer Ring Chamfer x 45°
.0150 +.015/-.000
Inner Ring Chamfer x 45°
.0150 +.015/-.000
No. Balls
38
Ball Size
1/8 "
Static Radial Limit Load Rating
5950 lbs.
Static Thrust Limit Load Rating
2700 lbs.
Approx. Weight
0.090 lbs.

Interchange

National Precision Bearing Part No MS27646-42 is an interchangable replacement for these common bearing part numbers:

NHBB
B542DD
RBC Aircraft
B542DD FS464
Schatz
B542DD-H

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