B500DD/MB500DD Series
Extra Light Torque Tube Type
Aircraft Control Bearing
- Manufactured to AS27646 per AS7949
- Extra light duty
- Single row ball bearing
- Teflon® coated fiberglass seals
- All external surfaces except bore and seals are cadmium plated
- Pre-lubricated (see grease specifications)
- This series is dimensionally interchangeable with the unshielded B500 series
MB500DD Series
- Precision Series tolerances in light blue
- Manufactured to AS21428 per SAE AS7949
- When ordering precision parts be sure to add the "M" prefix to the standard part number
| (Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Part Number |
MS 27646- |
Bore d (in.) |
Outside Diameter D (in.) |
Inner Ring Width B (in.) |
Outer Ring Width C (in.) |
Inner Land Diameter | Inner Ring Chamfer | Outer Ring Chamfer | Radial Limit Load Rating | Thrust Limit Load Rating | ||||
| +.0007 -.0007 |
+.0000 -.0005 |
+.0000 -.0010 |
+.0000 -.0005 |
+.000 -.005 |
+.0000 -.0025 |
+.000 -.005 |
+.000 -.005 |
d1 (in.) |
c1* (in.) |
c* (in.) |
(lbs.) † | (lbs.) † | ||
| B538DD | -38 | 0.6250 | 1.0625 | 0.281 | 0.250 | 0.777 | 0.015 | 0.015 | 3280 | 1500 | ||||
| B539DD | -39 | 0.7500 | 1.1875 | 0.281 | 0.250 | 0.895 | 0.015 | 0.015 | 3750 | 1700 | ||||
| B540DD | -40 | 0.8750 | 1.3125 | 0.281 | 0.250 | 1.016 | 0.015 | 0.015 | 4220 | 1900 | ||||
| B541DD | -41 | 1.0625 | 1.5000 | 0.281 | 0.250 | 1.216 | 0.015 | 0.015 | 5000 | 2200 | ||||
| B542DD | -42 | 1.3125 | 1.7500 | 0.281 | 0.250 | 1.451 | 0.015 | 0.015 | 5950 | 2700 | ||||
| B543DD | -43 | 1.5625 | 2.0000 | 0.281 | 0.250 | 1.702 | 0.015 | 0.015 | 6880 | 3200 | ||||
| B544DD | -44 | 1.8125** | 2.2500*** | 0.281 | 0.250 | 1.970 | 0.015 | 0.015 | 7980 | 3600 | ||||
| B545DD | -45 | 2.0625** | 2.6250*** | 0.281 | 0.250 | 2.286 | 0.015 | 0.015 | 9220 | 4000 | ||||
| B546DD | -46 | 2.3125** | 2.8750*** | 0.281 | 0.250 | 2.527 | 0.015 | 0.015 | 10150 | 4400 | ||||
* Maximum shaft or housing fillet which bearing corner will clear.
** +.0010 inch/-.0010 inch +.0000
inch/-.0008 inch
*** +.0000 inch/-.0015 inch +.0000 inch/-.0007 inch
Notes:
- Do not use bearings as track rollers, cam follower rolls or for similar applications.
- Check with Schatz Bearing Corporation for current approval status.
- Contact Schatz Bearing Corporation's Engineering Department for further technical information.
- Check with Schatz Bearing Corporation's Sales Department for price and availability.




