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- MS27646 B500DD Series
MS27646 B500DD Series
MS27646 B500DD Series
The B500DD Series Extra Light Torque Tube airframe control ball bearings are designed for extra light duty applications. These bearings are single row with PTFE seals and have exposed surfaces, except for the bore and seals, which are cadmium plated. They are prelubricated for life and dimensionally interchangeable with the unsealed B500 series. Options include CRES 440C material and/or zinc nickel plating per OEM specifications.
Key Specifications:
- Standard: MS27646, SAE-AS7949
- Material: Cadmium plated, optional CRES 440C
- Seals: PTFE
- Prelubricated for life
Ordering: Specify bearing number and factory specification. Example: B538DD FS464.
Dimensions and Load Ratings:
The table provides detailed dimensions and load ratings for each bearing model, including bore diameter, outside diameter, width, and weight. Load ratings are specified for both thrust and radial limits.
Example Bearing Data:
- B538DD: Bore 0.6250 in (15.875 mm), Outside Diameter 1.0625 in (26.988 mm), Thrust Limit Load 3280 lbf (14600 N), Radial Limit Load 1500 lbf (6700 N).
- B546DD: Bore 2.3125 in (58.738 mm), Outside Diameter 2.8750 in (73.025 mm), Thrust Limit Load 10150 lbf (45200 N), Radial Limit Load 4400 lbf (19600 N).
Catalog excerpts
AIRFRAME CONTROL BALL BEARINGS — B500DD SERIES EXTRA LIGHT TORQUE TUBE MS27646 • SAE-AS7949 • Extra light duty • Single row, ball • PTFE seals • Exposed surfaces except bore and seals are cadmium plated • Prelubricated for life • This series is dimensionally interchangeable with the unsealed B500 series • Also offered with CRES 440C material and/or zinc nickel plating per OEM specifications AIRFRAME CONTROL BALL BEARINGS SPECIFICATIONS AND ORDERING INFORMATION TO ORDER, SPECIFY BEARING NUMBER AND FACTORY SPECIFICATION. SEE TABLE 1 ON PG 8. (Example B538DD FS464) Bore B Bearing Number Radial Limit Load Rating Thrust Limit Load Rating ©2008 RBC Bearings Incorporated. All rights reserved. For more information visit our web site at rbcbearings.com
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