Spherical Plain Bearings
Aerospace Bearings » Airframe Control

MS21428-38 Bearing Airframe Control | Extra Light Duty Torque Tube

Part No.
MS21428-38
Governing Specs
SAE AS7949

Specifications

Duty
Extra Light Duty
Bore Inner Diameter
0.625 +.0000/-.0005
Outer Diameter
1.063 +.0000/-.0005
Inner Ring Width
0.281 +.000/-.005
Outer Ring Width
0.250 +.000/-.005
Inner Ring Shoulder Diameter
0.785 Approx.
Outer Ring Chamfer x 45°
0.015 +.015/-.000
Inner Ring Chamfer x 45°
0.015 +.015/-.000
Static Radial Limit Load Rating
3280 lbs.
Static Thrust Limit Load Rating
1500 lbs.
Approx. Weight
0.030 lbs.

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

Interchange

National Precision Bearing Part No MS21428-38 is an interchangable replacement for these common bearing part numbers:

NHBB
MB538DD
RBC Aircraft
MB538DD FS464
Schatz
MB538DD-H