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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MS27640
• SAE-AS7949
• Single row, ball, heavy 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-Series
Unit of Measure
1 

Item #

Bore (B)

Outside Diameter (D)

Inside Ring Width (W)

Outside Ring Width (H)

Radial Limit Load Rating

KP3FS464 N/A 0.19 in N/A 0.78 in N/A 0.297 in N/A 0.27 in N/A 1880 lbf
KP3LFS428 N/A 0.19 in N/A 0.63 in N/A 0.245 in N/A 0.203 in N/A 1560 lbf
KP3LFS464 N/A 0.19 in N/A 0.63 in N/A 0.245 in N/A 0.203 in N/A 1560 lbf
KP4FS428 N/A 0.25 in N/A 0.90 in N/A 0.484 in N/A 0.335 in N/A 2680 lbf
KP4FS464 N/A 0.25 in N/A 0.90 in N/A 0.484 in N/A 0.335 in N/A 2680 lbf
KP5FS428 N/A 0.31 in N/A 1.25 in N/A 0.558 in N/A 0.375 in N/A 5620 lbf
KP5FS464 N/A 0.31 in N/A 1.25 in N/A 0.558 in N/A 0.375 in N/A 5620 lbf
KP6FS464 N/A 0.38 in N/A 1.44 in N/A 0.62 in N/A 0.469 in N/A 7910 lbf
KP8FS428 N/A 0.50 in N/A 1.69 in N/A 0.62 in N/A 0.5 in N/A 11800 lbf
KP8FS464 N/A 0.50 in N/A 1.69 in N/A 0.62 in N/A 0.5 in N/A 11800 lbf
KP10FS428 N/A 0.63 in N/A 1.94 in N/A 0.62 in N/A 0.5 in N/A 14100 lbf
KP10FS464 N/A 0.63 in N/A 1.94 in N/A 0.62 in N/A 0.5 in N/A 14100 lbf
KP3FS428 N/A 0.19 in N/A 0.78 in N/A 0.297 in N/A 0.27 in N/A 1880 lbf
KP6FS428 N/A 0.38 in N/A 1.44 in N/A 0.62 in N/A 0.469 in N/A 7910 lbf
Unit of Measure
1