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SCHATZ Airframe Control/Aerospace Bearings

KP-A Series

kpa

Single Row Radial
Aircraft Control Bearing

  • Single row ball bearing
  • Manufactured to AS27641 per AS7949
  • All external surfaces except bore and stainless steel seal retainers are cadmium plated
  • Installed with Teflon® seals
  • Pre-lubricated (see grease specifications)

MKP-A Series

  • Precision Series tolerances in light blue
  • When ordering precision parts be sure to add the “M” prefix to the standard part number
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
MS
27641-
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
-.0005
+.0000
-.0003
+.0000
-.0005
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
Approx.
+.015
-.000
+.015
-.000
(lbs.) †
(lbs.) †
KP3A
-3
0.1900
0.6250
0.297
0.234
0.270
0.005
0.016
1560
700
KP4A
-4
0.2500
0.7500
0.281
0.219
0.349
0.005
0.016
1880
900
KP5A
-5
0.3125
0.8125
0.297
0.234
0.428
0.015
0.016
2190
1000
KP6A
-6
0.3750
0.8750
0.313
0.250
0.505
0.015
0.016
2500
1100
KP8A
-8
0.5000
1.1250
0.375
0.313
0.635
0.015
0.016
3910
1700
KP10A
-10
0.6250
1.3750
0.406
0.344
0.760
0.015
0.032
6700
3000
KP12A
-12
0.7500
1.6250
0.437
0.375
0.955
0.015
0.032
8790
3900
KP16A
-16
1.0000
2.0000
0.500
0.438
1.262
0.015
0.032
11900
5200
KP20A
-20
1.2500
2.2500
0.500
0.438
1.512
0.015
0.032
13800
6100
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
MS
27641-
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
-.0005
+.0000
-.0003
+.0000
-.0005
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
Approx. +.015
-.000
+.015
-.000
(lbs.) † (lbs.) †
KP3A -3 0.1900 0.6250 0.297 0.234 0.270 0.005 0.016 1560 700
KP4A -4 0.2500 0.7500 0.281 0.219 0.349 0.005 0.016 1880 900
KP5A -5 0.3125 0.8125 0.297 0.234 0.428 0.015 0.016 2190 1000
KP6A -6 0.3750 0.8750 0.313 0.250 0.505 0.015 0.016 2500 1100
KP8A -8 0.5000 1.1250 0.375 0.313 0.635 0.015 0.016 3910 1700
KP10A -10 0.6250 1.3750 0.406 0.344 0.760 0.015 0.032 6700 3000
KP12A -12 0.7500 1.6250 0.437 0.375 0.955 0.015 0.032 8790 3900
KP16A -16 1.0000 2.0000 0.500 0.438 1.262 0.015 0.032 11900 5200
KP20A -20 1.2500 2.2500 0.500 0.438 1.512 0.015 0.032 13800 6100

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

Notes:

  1. Check with Schatz Bearing Corporation for current approval status.
  2. Contact Schatz Bearing Corporation’s Engineering Department for further technical information.
  3. Check with Schatz Bearing Corporation’s Sales Department for price and availability.