Flexible. Versatile. responsive.

B500/MB500 Series

B500 series bearings are used for airframe control. These tube-type bearings are extra light torque products.

Extra Light Torque Tube Type Aircraft Control Bearing

  • Extra light duty
  • Single row ball bearing
  • Open Type
  • Lubricated with a preservative
  • This series is made of bearing quality chromium-alloy, high carbon steel and is not cadmium plated
MB500 SERIES
  • Precision Series tolerances in light blue
  • When ordering precision parts be sure to add the “M” prefix to the standard part number
B500 series

wdt_ID Part Number Bore d (in.)<br>+.0007 to -.0007<br>+.0000 to -.0005 Outside Diameter D (in.)<br>+.0000 to -.0010<br>+.0000 to -.0005 Inner Ring Width B (in.)<br>+.000 to -.005<br>+.0000 to -.0025 Outer Ring Width C (in.)<br>+.000 to -.005<br>+.000 to -.005 Inner Land Diameter<br>d1 (in.) Inner Ring Chamfer<br>c1 (in.) Outer Ring Chamfer<br>c (in.) Radial Limit Load Rating (lbs.) † Thrust Limit Load Rating (lbs.) † Footnote(**) Footnote(***)
1 B538 0.6250 1.0625 0.281 0.250 0.777 0.015 0.015 3280 1500
2 B539 0.7500 1.1875 0.281 0.250 0.895 0.015 0.015 3750 1700
3 B540 0.8750 1.3125 0.281 0.250 1.016 0.015 0.015 4220 1900
4 B541 1.0625 1.5000 0.281 0.250 1.216 0.015 0.015 5000 2200
5 B542 1.3125 1.7500 0.281 0.250 1.451 0.015 0.015 5950 2700
6 B543 1.5625 2.000 0.281 0.250 1.702 0.015 0.015 6880 3200
7 B544 1.8125** 2.2500*** 0.281 0.250 1.970 0.015 0.015 7980 3600 ** +.0010 inch/-.0010 inch +.0000 inch/-.0008 inch *** +.0000 inch/-.0015 inch +.0000 inch/-.0007 inch
11 B545 2.0625** 2.6250*** 0.281 0.250 2.286 0.015 0.015 9220 4000 ** +.0010 inch/-.0010 inch +.0000 inch/-.0008 inch *** +.0000 inch/-.0015 inch +.0000 inch/-.0007 inch
12 B546 2.3125** 2.8750*** 0.281 0.250 2.527 0.015 0.015 10150 4400 ** +.0010 inch/-.0010 inch +.0000 inch/-.0008 inch *** +.0000 inch/-.0015 inch +.0000 inch/-.0007 inch
Part Number Bore d (in.)<br>+.0007 to -.0007<br>+.0000 to -.0005 Outside Diameter D (in.)<br>+.0000 to -.0010<br>+.0000 to -.0005 Inner Ring Width B (in.)<br>+.000 to -.005<br>+.0000 to -.0025 Outer Ring Width C (in.)<br>+.000 to -.005<br>+.000 to -.005 Inner Land Diameter<br>d1 (in.) Inner Ring Chamfer<br>c1 (in.) Outer Ring Chamfer<br>c (in.) Radial Limit Load Rating (lbs.) † Thrust Limit Load Rating (lbs.) † Footnote(**) Footnote(***)

Notes:† Refer to the Technical Info section for Bearing Life Calculations.

* Maximum shaft or housing fillet which bearing corner will clear.

  1. Check with Schatz Bearing Corporation for current approval status.
  2. Contact Schatz Bearing Corporation’s Engineering Department for further technical information.
  3. Check with Schatz Bearing Corporation’s Sales Department for price and availability.