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Com-4Kh Aurora Bearing

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$23.80/Each
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Part# 05-01669
MFR Model# COM-4KH
Aurora PNHeim Equivalent
COM-4KHLHA-4

Overview

COM-KH Series Spherical Bearings, (Ptfe Liners Available)
  • Race - Alloy steel, heat treated, inside diameter protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Ptfe Liners available upon request. Specify by adding suffix "T". Ex.: COM-8TKH. (Ptfe Lined spherical bearings have no lubrication holes or groove in race outside diameter.)
COM Series Spherical Bearings, (Ptfe Liners Available)
  • Race - Carbon steel, heat treated, inside diameter protective coated for corrosion resistance.
  • Ball - Alloy steel, heat treated, hard chrome plated.
  • Ptfe Liners available upon request. Specify by adding suffix "T". Ex.: COM-8TKH. (Ptfe Lined spherical bearings have no lubrication holes or groove in race outside diameter.)
* Bore tolerance on these items is as follows: INCH: +.002, -.0005; METRIC: +.064, -.013
   
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Reference Chart


Aurora P/N
SEE DIAGRAM ABOVE
Dimensions In Inches
B
+.0015
- .0005
D
+.0000
-. 0007
H
± .005
W
± .005
O
Flat Dia. Ref.
M
Chamfer Ref.
Ball
Dia. Ref.
a
(DEG.)
COM-3
.1900
.5625
.218
.281
.293
.015

406
11
COM-3KH
.1900
.5625
.218
.281
.293
.015
.406
11
COM-4KH
.2500
.6562
.250
.343
.364
.022
.500
13.5
COM-5
.3125
.7500
.281
.375
.419
.032
.562
12
COM-5KH
.3125
.7500
.281
.375
.419
.032
.562
12
COM-6
.3750
.8125
.312
.406
.516
.032
.656
10
COM-6KH
.3750
.8125
.312
.406
.516
.032
.656
10
COM-7KH
.4375
.9062
.348
.437
.530
.032
.687
8
COM-8KH
.5000
1.0000
.390
.500
.640
.032
.813
9.5
COM-9
.5625
1.0937
.437
.562
.710
.032
.906
9.5
COM-9KH
.5625
1.0937
.437
.562
.710
.032
.906
9.5
COM-10KH
.6250
1.1875
.500
.625
.780
.032
1.000
8.5
COM-12KH
.7500
1.4375
.593
.750
.920
.044
1.187
9
COM-14
.8750
1.5625
.703
.875
.980
.044
1.312
9.5
COM-14KH
.8750
1.5625
.703
.875
.980
.044
1.312
9.5
COM-16
1.0000
1.7500
.797
1.000
1.118
.044
1.500
10
COM-16KH*
1.0000
1.7500
.797
1.000
1.118
.044
1.500
10

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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: A few of these bearings are similar but one has a KH suffix on the Aurora Part Number and a higher price. What does the KH mean?

The race on the COM bearings are carbon steel, I.D. protective coated for corrosion resistance.
The race on the COM-KH bearings are alloy steel, heat treated, I.D. protective coated for corrosion resistance.
The COM-KH have a higher radial static limit load capacity.

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