RBC Bearings Inc.
RBC Bearings Inc.
Address: One Tribology Center
Oxford, CT 06478
Phone: (203) 267-7001
Fax: (203) 267-5000
Email: AeroInfo@RBCbearings.com
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MS27642
• SAE-AS7949
• Single row, ball, light duty
• PTFE seals and CRES sealcaps
• Exposed surfaces except bore, caps, and seals are cadmium plated
• Prelubricated for life
• Also offered with CRES 440C material and/or zinc nickel plating per OEM specifications
RBC-Airframe-Bearing-KP-B-Series
Unit of Measure
1 

Item #

Bore (B)

Outside Diameter (D)

Inside Ring Width (W)

Outside Ring Width (H)

Radial Limit Load Rating

KP16BFS428 N/A 1.00 in N/A 1.75 in N/A 0.437 in N/A 0.375 in N/A 8085 lbf
KP16BFS464 N/A 1.00 in N/A 1.75 in N/A 0.437 in N/A 0.375 in N/A 8085 lbf
KP21BFS428 N/A 1.31 in N/A 2.06 in N/A 0.437 in N/A 0.375 in N/A 9840 lbf
KP21BFS464 N/A 1.31 in N/A 2.06 in N/A 0.437 in N/A 0.375 in N/A 9840 lbf
KP23BFS428 N/A 1.44 in N/A 2.19 in N/A 0.437 in N/A 0.375 in N/A 10500 lbf
KP23BFS464 N/A 1.44 in N/A 2.19 in N/A 0.437 in N/A 0.375 in N/A 10500 lbf
KP25BFS428 N/A 1.56 in N/A 2.31 in N/A 0.437 in N/A 0.375 in N/A 11300 lbf
KP25BFS464 N/A 1.56 in N/A 2.31 in N/A 0.437 in N/A 0.375 in N/A 11300 lbf
KP29BFS428 N/A 1.81 in N/A 2.56 in N/A 0.437 in N/A 0.375 in N/A 12700 lbf
KP29BFS464 N/A 1.81 in N/A 2.56 in N/A 0.437 in N/A 0.375 in N/A 12700 lbf
KP33BFS428 N/A 2.06 in N/A 2.81 in N/A 0.437 in N/A 0.375 in N/A 14400 lbf
KP33BFS464 N/A 2.06 in N/A 2.81 in N/A 0.437 in N/A 0.375 in N/A 14400 lbf
KP37BFS428 N/A 2.31 in N/A 3.06 in N/A 0.437 in N/A 0.375 in N/A 15800 lbf
KP37BFS464 N/A 2.31 in N/A 3.06 in N/A 0.437 in N/A 0.375 in N/A 15800 lbf
KP47BFS428 N/A 2.94 in N/A 3.88 in N/A 0.531 in N/A 0.469 in N/A 24700 lbf
KP47BFS464 N/A 2.94 in N/A 3.88 in N/A 0.531 in N/A 0.469 in N/A 24700 lbf
KP49BFS428 N/A 3.06 in N/A 4.00 in N/A 0.531 in N/A 0.469 in N/A 27500 lbf
KP49BFS464 N/A 3.06 in N/A 4.00 in N/A 0.531 in N/A 0.469 in N/A 27500 lbf
Unit of Measure
1