B500DD/MB500DD Series
B500DD series bearings are used for airframe control. These tube-type bearings are extra light torque products.

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
MB500DD Series
Manufactured to AS21428 per SAE AS7949
When ordering precision parts be sure to add the “M” prefix to the standard part numberB500 Series、B500DD Series、B5500WZZ Series、DPP Series、DPP-W Series、DSP Series、DW.GDW Series、FL Series、K Series、KP Series、KP-A Series、KP-B Series、KP-BS Series、KSP Series、KSP-A Series、P Series、1900 Series、9100 Series、1200 Series、1300 Series、R Series、STA Series、STB Series、STC Series、STD Series、STF Series、STG Series、STJ Series、STU Series、A Series、AF Series、AFH Series、BM Series、BR Series、W Series、WE Series