B500DD/MB500DD Series
Extra Light Torque Tube Type
Aircraft Control Bearing
- Manufactured to AS27646 per AS7949
- Extra light duty
- Single row ball bearing
- PTFE 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
Specifications
Bearing
Part#
MS
27646-Bore
(in.)Outside
(in.)Inner Ring
(in.)Outer Ring
(in.)Inner Land Inner Ring Outer Ring Radial Limit Load Thrust Limit Load +.0007
-.0007+.0000
-.0005+.0000
-.0010+.0000
-.0005+.000
-.005+.0000
-.0025+.000
-.005+.000
-.005d1
(in.)c1*
(in.)c*
(in.)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