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SCHATZ Airframe Control/Aerospace Bearings

K Series

k

Single Row Radial
Aircraft Control Bearing

  • Single row ball bearing
  • All external surfaces except bore and seals/shields are cadmium plated
  • Available with removable Teflon seals or stainless shields
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
Bore

d
(in.)

Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter
d1
Outside Diameter
Radius Ref.
R
Inner Ring Chamfer
c1
Outer Outside Diameter
Corner Ref.
c
Max. Safe Working Load Radial
+.000
-.010
+.000
-.005
+.000
-.005
Approx.
Maximum
+.015
-.000
Maximum
(lbs.) †
K3L2
0.1900
0.687
0.245
0.203
0.275
0.187
0.005
0.020
200
K3L3
0.1900
0.635*
0.245
0.203
0.275
0.550
0.005
0.020
200
K3LR48
0.1900
0.687
0.245
0.203
0.275
3.015
0.005
0.020
200
KP3AR11-2 
0.1900
0.718**
0.297
0.265
0.297
0.359
0.005
0.015
300
KP4AR13 
0.2500
0.800
0.281
0.219
0.375
0.812
0.005
0.015
400
KP4AR48 
0.2500
0.800
0.281
0.219
0.375
3.015
0.005
0.015
400
KP4R16
0.2500
0.901
0.484
0.335
0.390
1.000
0.005
0.015
400
KP4R16-2 
0.2500
1.000
0.390
0.335
0.390
1.000
0.005
0.015
500
KP4R16-3 
0.2500
0.901
0.390
0.335
0.390
1.000
0.005
0.015
400
KP4R21-2 
0.2500
1.312
0.376
0.281
0.616
1.312
0.005
0.015
500
KP4R25-2 
0.2500
1.656
0.376
0.315
0.616
1.658
0.005
0.015
500
K8AR4
0.5000
1.250
0.344
0.375
0.610
0.252
0.016
0.015
500
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
Bore

d
(in.)

Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter
d1
Outside Diameter
Radius Ref.
R
Inner Ring Chamfer
c1
Outer Outside Diameter
Corner Ref.
c
Max. Safe Working Load Radial
+.000
-.010
+.000
-.005
+.000
-.005
Approx. Maximum +.015
-.000
Maximum (lbs.) †
K3L2 0.1900 0.687 0.245 0.203 0.275 0.187 0.005 0.020 200
K3L3 0.1900 0.635* 0.245 0.203 0.275 0.550 0.005 0.020 200
K3LR48 0.1900 0.687 0.245 0.203 0.275 3.015 0.005 0.020 200
KP3AR11-2  0.1900 0.718** 0.297 0.265 0.297 0.359 0.005 0.015 300
KP4AR13  0.2500 0.800 0.281 0.219 0.375 0.812 0.005 0.015 400
KP4AR48  0.2500 0.800 0.281 0.219 0.375 3.015 0.005 0.015 400
KP4R16 0.2500 0.901 0.484 0.335 0.390 1.000 0.005 0.015 400
KP4R16-2  0.2500 1.000 0.390 0.335 0.390 1.000 0.005 0.015 500
KP4R16-3  0.2500 0.901 0.390 0.335 0.390 1.000 0.005 0.015 400
KP4R21-2  0.2500 1.312 0.376 0.281 0.616 1.312 0.005 0.015 500
KP4R25-2  0.2500 1.656 0.376 0.315 0.616 1.658 0.005 0.015 500
K8AR4 0.5000 1.250 0.344 0.375 0.610 0.252 0.016 0.015 500

† Radial load to obtain 100,000 ft. peripheral travel life.

* O.D. tolerances +.000 inch/-.003 inch.
** Denotes spherical diameter.

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.

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