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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MS27641
• SAE-AS7949
• Single row, ball, deep groove, medium 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
KP4FS464_FB
Unit of Measure
1 

Item #

Bore (B)

Outside Diameter (D)

Inside Ring Width (W)

Outside Ring Width (H)

Radial Limit Load Rating

KP3AFS428 N/A 0.19 in N/A 0.63 in N/A 0.297 in N/A 0.234 in N/A 1560 lbf
KP3AFS464 N/A 0.19 in N/A 0.63 in N/A 0.297 in N/A 0.234 in N/A 1560 lbf
KP3ALFS428 N/A 0.19 in N/A 0.50 in N/A 0.237 in N/A 0.196 in N/A 970 lbf
KP3ALFS464 N/A 0.19 in N/A 0.50 in N/A 0.237 in N/A 0.196 in N/A 970 lbf
KP4AFS428 N/A 0.25 in N/A 0.75 in N/A 0.281 in N/A 0.219 in N/A 1880 lbf
KP4AFS464 N/A 0.25 in N/A 0.75 in N/A 0.281 in N/A 0.219 in N/A 1880 lbf
KP5AFS428 N/A 0.31 in N/A 0.81 in N/A 0.297 in N/A 0.234 in N/A 2190 lbf
KP5AFS464 N/A 0.31 in N/A 0.81 in N/A 0.297 in N/A 0.234 in N/A 2190 lbf
KP6AFS428 N/A 0.38 in N/A 0.88 in N/A 0.313 in N/A 0.25 in N/A 2500 lbf
KP6AFS464 N/A 0.38 in N/A 0.88 in N/A 0.313 in N/A 0.25 in N/A 2500 lbf
KP8AFS428 N/A 0.50 in N/A 1.13 in N/A 0.3750 in N/A 0.313 in N/A 3910 lbf
KP8AFS464 N/A 0.50 in N/A 1.13 in N/A 0.3750 in N/A 0.313 in N/A 3910 lbf
KP10AFS428 N/A 0.63 in N/A 1.38 in N/A 0.406 in N/A 0.344 in N/A 6700 lbf
KP10AFS464 N/A 0.63 in N/A 1.38 in N/A 0.406 in N/A 0.344 in N/A 6700 lbf
KP12AFS428 N/A 0.75 in N/A 1.63 in N/A 0.437 in N/A 0.375 in N/A 8790 lbf
KP12AFS464 N/A 0.75 in N/A 1.63 in N/A 0.437 in N/A 0.375 in N/A 8790 lbf
KP16AFS428 N/A 1.00 in N/A 2.00 in N/A 0.5000 in N/A 0.438 in N/A 11900 lbf
KP16AFS464 N/A 1.00 in N/A 2.00 in N/A 0.5000 in N/A 0.438 in N/A 11900 lbf
KP20AFS428 N/A 1.25 in N/A 2.25 in N/A 0.5000 in N/A 0.438 in N/A 13800 lbf
KP20AFS464 N/A 1.25 in N/A 2.25 in N/A 0.5000 in N/A 0.438 in N/A 13800 lbf
KP12AA2365 N/A 0.75 in N/A 1.63 in N/A 0.437 in N/A 0.375 in N/A 8790 lbf
Unit of Measure
1