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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MS27645-R • SAE-AS7949
• Single row, ball, self-aligning light and 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-MKSP-Series
Unit of Measure
1 

Item #

Bore (B)

Outside Diameter (D)

Inside Ring Width (W)

Outside Ring Width (H)

Radial Limit Load Rating

MKSP3LFS464 N/A 0.19 in N/A 0.63 in N/A 0.245 in N/A 0.203 in N/A 550 lbf
MKSP3FS428 N/A 0.19 in N/A 0.78 in N/A 0.297 in N/A 0.27 in N/A 900 lbf
MKSP3LFS428 N/A 0.19 in N/A 0.63 in N/A 0.245 in N/A 0.203 in N/A 550 lbf
MKSP4FS428 N/A 0.25 in N/A 0.90 in N/A 0.484 in N/A 0.335 in N/A 1410 lbf
MKSP4FS464 N/A 0.25 in N/A 0.90 in N/A 0.484 in N/A 0.335 in N/A 1410 lbf
MKSP5FS428 N/A 0.31 in N/A 1.25 in N/A 0.558 in N/A 0.375 in N/A 2190 lbf
MKSP5FS464 N/A 0.31 in N/A 1.25 in N/A 0.558 in N/A 0.375 in N/A 2190 lbf
MKSP6FS428 N/A 0.38 in N/A 1.44 in N/A 0.62 in N/A 0.469 in N/A 2980 lbf
Unit of Measure
1