Aerospace:
Airframe Control Bearings
Aerospace Bearings » Airframe Control
MS21428-38 Bearing Airframe Control | Extra Light Duty Torque Tube
- Part No.
- MS21428-38
- Standard Part No.
- MB538
- Governing Specs
- SAE AS7949
Specifications
- Duty
- Extra Light Duty
- Bore Inner Diameter
- .6250 +.0000/-.0005
- Outer Diameter
- 1.0625 +.0000/-.0005
- Inner Ring Width
- .2810 +.000/-.005
- Outer Ring Width
- .2500 +.000/-.005
- Inner Ring Shoulder Diameter
- .7810 Approx.
- Outer Ring Chamfer x 45°
- .0150 +.015/-.000
- Inner Ring Chamfer x 45°
- .0150 +.015/-.000
- No. Balls
- 21
- Ball Size
- 1/8 "
- Static Radial Limit Load Rating
- 3280 lbs.
- Static Thrust Limit Load Rating
- 1500 lbs.
- Approx. Weight
- 0.030 lbs.
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
Dimensions and Values provided are for reference only. A full specification can be obtained at the Society of Automotive Engineering website.