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KSP Series and KSP-A, MKSP, and MKSP-A Series Bearings

KSP series and KSP-A, MKSP, and MKSP-A series bearings are self-aligning, single-row airframe control bearings with ABEC tolerances.

KSP Series Bearings

  • Self-aligning single row ball bearing
  • Manufactured to AS27645 per AS7949
  • All external surfaces except bore and stainless steel seal retainers are cadmium plated
  • Installed with PTFE seals
  • Pre-lubricated (see grease specifications)
  • Warning: Do not allow these bearings to act as misalignment stops!
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KSP Series Schematic

wdt_ID Part Number MS 27645- Bore d (in.)<br>+.0000 to -.0010<br>+.0000 to -.0003 Outside Diameter D (in.)<br>+.0000 to -.0010<br>+.0000 to -.0004 Inner Ring Width B (in.)<br>+.000 to -.005<br>+.0000 to -.0025 Outer Ring Width C (in.)<br>+.000 to -.005<br>+.000 to -.005 Inner Land Diameter d1 (in.)<br>Approx. Inner Ring Chamfer<br>c1 (in.) Outer Ring Chamfer<br>c (in.) Radial Limit Load Rating (lbs.) † Thrust Limit Load Rating (lbs.) †
1 KSP3A -3A 0.1900 0.6250 0.245 0.203 0.256 0.005 0.016 550 100
2 KSP4A -4A 0.2500 0.7500 0.281 0.491 0.328 0.005 0.016 900 200
3 KSP5A -5A 0.3125 0.8125 0.297 0.234 0.389 0.015 0.016 1000 200
4 KSP6A -6A 0.3750 0.8750 0.313 0.250 0.462 0.016 0.016 1120 200
5 KSP3 -3 0.1900 0.7774 0.297 0.270 0.297 0.005 0.022 900 200
6 KSP4 -4 0.2500 0.9014 0.484 0.335 0.396 0.005 0.032 1410 300
7 KSP5 -5 0.3125 1.2500 0.558 0.375 0.567 0.015 0.032 2190 300
8 KSP6 -6 0.3750 1.4375 0.620 0.469 0.612 0.015 0.032 2980 400
9 KSP8 -8 0.5000 1.6875 0.620 0.500 0.796 0.015 0.044 3670 500
10 KSP10 -10 0.6250 1.9375 0.813 0.625 0.922 0.015 0.044 5320 600
Part Number MS 27645- Bore d (in.)<br>+.0000 to -.0010<br>+.0000 to -.0003 Outside Diameter D (in.)<br>+.0000 to -.0010<br>+.0000 to -.0004 Inner Ring Width B (in.)<br>+.000 to -.005<br>+.0000 to -.0025 Outer Ring Width C (in.)<br>+.000 to -.005<br>+.000 to -.005 Inner Land Diameter d1 (in.)<br>Approx. Inner Ring Chamfer<br>c1 (in.) Outer Ring Chamfer<br>c (in.) Radial Limit Load Rating (lbs.) † Thrust Limit Load Rating (lbs.) †

* .244 ref. over seal.

Notes for KSP Bearings

  1. Bearings are self-aligning for 10 degrees in either direction except for KSP4A, KSP5A, and KSP6A which are self-aligning for 8 degrees in either direction.
  2. Check with Schatz Bearing Corporation for current approval status.
  3. Contact Schatz Bearing Corporation’s Engineering Department for further technical information.
  4. Check with Schatz Bearing Corporation’s Sales Department for price and availability.

ksp bearings material optionsKSP series and KSP-A, MKSP, and MKSP-A series bearings are self-aligning, single-row airframe control bearings with ABEC tolerances.