Aerospace: Airframe Control Bearings
Aerospace Bearings » Airframe Control

MS27646-44 Bearing Airframe Control | Light Duty Torque Tube

Part No.
MS27646-44
Standard Part No.
B544DD
Governing Specs
SAE AS7949

Specifications

Approx. Weight Dimensional Diagram
Duty
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
0.110 lbs.

Interchange

National Precision Bearing Part No MS27646-44 is an interchangable replacement for these common bearing part numbers:

NHBB
B544DD
RBC Aircraft
B544DD FS464
Schatz
B544DD-H

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