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Torque Tube Bearings

PART NUMBER (B)
BORE
DIAM. 		(D)
OUTSIDE
DIAM. 		(H)
OUTER
RING
WIDTH 		(W)
INNER
RING
WIDTH 		BALLS (E)
INNER
SHOULDER
DIAM. 		(C)
45° CHAMFER
INNER
RING I.D.		 (A)
45° CHAMFER
OUTER
RING O.D.
+0.0007
-0.0070		 +0.000
-0.001		 +0.000
-0.005		 +0.000
-0.005		 NO. SIZE REF. +0.015
-0.000		 +0.015
-0.000
B538DD 0.6250 1.0625 0.250 0.281 21 1/8 0.777 0.015 0.015
B539DD 0.7500 1.1875 0.250 0.281 24 1/8 0.895 0.015 0.015
B540DD 0.8750 1.3125 0.250 0.281 27 1/8 1.016 0.015 0.015
B541DD 1.0625 1.5000 0.250 0.281 32 1/8 1.216 0.015 0.015
B542DD 1.3125 1.7500 0.250 0.281 38 1/8 1.451 0.015 0.015
B543DD 1.5625 2.0000 0.250 0.281 44 1/8 1.702 0.015 0.015
B544DD 1.8125 2.2500 0.250 0.281 51 1/8 1.970 0.015 0.015
B545DD 2.0625 2.6250 0.250 0.281 59 1/8 2.286 0.015 0.015
B546DD 2.3125 2.8750 0.250 0.281 65 1/8 2.527 0.015 0.015
DIMENSIONS IN INCHES
For non-military applications without cadmium plating.
*Teflon is a trademark of E.I. duPont de Nemours & Co., Inc.
For military applications with cadmium plating.


LOAD RATINGS

PART
NUMBER 		STATIC LIMIT
LOADS
LBS. 		DYNAMIC
RADIAL LOAD RATINGS
LBS.
RADIAL THRUST INNER RACE
ROTATING 		OUTER RACE
ROTATING
B538DD 3280 1500 1990 1820
B539DD 3750 1700 2050 1900
B540DD 4220 1900 2110 1970
B541DD 5000 2200 2170 2020
B542DD 5950 2700 2220 2130
B543DD 6880 3200 2260 2180
B544DD 7980 3600 2300 2220
B545DD 9220 4000 2340 2260
B546DD 10150 4400 2360 2280
  
Features:

  • Removable Teflon® seals
  • Operating temperature
    -65° to +250°F
  • Lubricated in accordance
    to MIL-G-81322
  • Stainless steel also available
  • Custom sizes, tolerances, radial clearances, lubrication, etc. available on request

 
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