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MS27648 KP-BS Series

MS27648 KP-BS Series

Product catalog summary
Specifications and Ordering Information
The KP-BS Series Self-Aligning Torque Tube Airframe Control Ball Bearings are designed for aerospace applications. These bearings are single row, ball, external self-aligning, and extra light duty. They feature PTFE seals and CRES sealcaps, with exposed surfaces cadmium plated except for the bore, caps, and seals. The bearings are prelubricated for life and are internally identical to the KP-B series. Self-alignment is achieved through an external self-aligning ring with a spherically-ground surface that matches the outer ring's surface. Options include CRES 440C material and/or zinc nickel plating per OEM specifications.
Ordering Instructions
To order, specify the bearing number and factory specification. Refer to Table 1 on page 8 for detailed dimensions and load ratings. Example: KP16BS FS464.
Key Dimensions and Load Ratings
The document provides a detailed table listing various models (e.g., KP16BS, KP21BS) with their respective dimensions in inches and millimeters, weight, and load ratings in pounds and newtons. The table includes bore diameter, outside diameter, width, and other critical measurements, along with thrust and radial limit load ratings.
Additional Notes
Some models, such as KP48BS, require checking for availability. The document specifies tolerances for dimensions, ensuring precision in manufacturing and application.
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Catalog excerpts

MS27648 KP-BS Series-1

AIRFRAME CONTROL BALL BEARINGS — KP-BS SERIES SELF-ALIGNING TORQUE TUBE MS27648 • SAE-AS7949 • Single row, ball, external self aligning, extra light duty • PTFE seals and CRES sealcaps • Exposed surfaces except bore, caps, and seals are cadmium plated • Prelubricated for life • Series is internally identical to the KP-B series. Self-alignment is provided by an external self-aligning ring whose internal spherically-ground surface is accurately matched to the external spherically-ground surface of the outer ring. These bearings are designed to compensate for initial misalignment • 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 KP16BS FS464) Bore B Bearing Number M Misalignment Either Direction (Ref.) Wt. 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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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.