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SCHATZ Airframe Control/Aerospace Bearings

KSP, KSP-A / MKSP, MKSP-A Series

ksp

Single Row, Self-Aligning
Aircraft Control Bearing

  • 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 Teflon® seals
  • Pre-lubricated (see grease specifications)
  • Warning: Do not allow these bearings to act as misalignment stops!
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
MS
27645-
Bore

d
(in.)

Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter
d1
Inner Ring Chamfer
c1
Outer Ring Chamfer
c
Radial Limit Load Rating
Thrust Limit Load Rating
+.0000
-.0010
+.0000
-.0003
+.0000
-.0010
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
Approx.
+.015
-.000
+.015
-.000
(lbs.) †
(lbs.) †
KSP3L
-3A
0.1900
0.6250
0.245
0.203
0.256
0.005
0.016
550
100
KSP4A
-4A
0.2500
0.7500
0.281
0.219*
0.328
0.005
0.016
900
200
KSP5A
-5A
0.3125
0.8125
0.297
0.234
0.389
0.015
0.016
1000
200
KSP6A
-6A
0.3750
0.8750
0.313
0.250
0.462
0.016
0.016
1120
200
KSP3
-3
0.1900
0.7774
0.297
0.270
0.297
0.005
0.022
900
200
KSP4
-4
0.2500
0.9014
0.484
0.335
0.396
0.005
0.032
1410
300
KSP5
-5
0.3125
1.2500
0.558
0.375
0.567
0.015
0.032
2190
300
KSP6
-6
0.3750
1.4375
0.620
0.469
0.612
0.015
0.032
2980
400
KSP8
-8
0.5000
1.6875
0.620
0.500
0.796
0.015
0.044
3670
500
KSP10
-10
0.6250
1.9375
0.813
0.625
0.922
0.015
0.044
5320
600
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
MS
27645-
Bore

d
(in.)

Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter
d1
Inner Ring Chamfer
c1
Outer Ring Chamfer
c
Radial Limit Load Rating Thrust Limit Load Rating
+.0000
-.0010
+.0000
-.0003
+.0000
-.0010
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
Approx. +.015
-.000
+.015
-.000
(lbs.) † (lbs.) †
KSP3L -3A 0.1900 0.6250 0.245 0.203 0.256 0.005 0.016 550 100
KSP4A -4A 0.2500 0.7500 0.281 0.219* 0.328 0.005 0.016 900 200
KSP5A -5A 0.3125 0.8125 0.297 0.234 0.389 0.015 0.016 1000 200
KSP6A -6A 0.3750 0.8750 0.313 0.250 0.462 0.016 0.016 1120 200
KSP3 -3 0.1900 0.7774 0.297 0.270 0.297 0.005 0.022 900 200
KSP4 -4 0.2500 0.9014 0.484 0.335 0.396 0.005 0.032 1410 300
KSP5 -5 0.3125 1.2500 0.558 0.375 0.567 0.015 0.032 2190 300
KSP6 -6 0.3750 1.4375 0.620 0.469 0.612 0.015 0.032 2980 400
KSP8 -8 0.5000 1.6875 0.620 0.500 0.796 0.015 0.044 3670 500
KSP10 -10 0.6250 1.9375 0.813 0.625 0.922 0.015 0.044 5320 600

† Refer to the Technical Info section for Bearing Life Calculations.

* .244 ref. over seal.

Notes:

  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.

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