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Inch Accessories - Locknut and Lockwasher
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ENGINEERED BEARINGS
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Spherical Roller Bearing Metric and Inch Accessories
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Inch Accessories - Locknut and Lockwasher
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Part Number AN 28-W 28
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Part Number AN 28-W 28, Inch Accessories - Locknut and Lockwasher
The chart below shows dimensions for locknuts and lockwashers used in the mounting of straight bore bearings on shafts.
Other dimensions and tolerances related to shaft configurations are also shown.
Dimensions are presented according to bearing bore size and are applicable to bearings in the various series (e.g., 222 and 223 etc.).
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Unit of Measure:
Imperial
Metric
Both
Specifications
·
Threads
·
Shaft
·
Locknut
·
Lockwasher
Specifications
Bearing Bore
140
mm
Locknut
AN 28
Lockwasher
W 28
Threads
Major Diameter
139.62
mm
5.497
in
Threads No. per Inch
12
Shaft
Relief Diameter A
136.50
mm
5.374
in
Diameter S-3
134.94
mm
5.3125
in
W
1
4.37
mm
0.172
in
L
2
23.01
mm
0.906
in
H
3
4.8
mm
0.188
in
S
4
15.88
mm
0.625
in
M
5
7.92
mm
0.312
in
1
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
2
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
3
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
4
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
5
Tolerance -0 to + 0.4 mm (-0 to +1/64 in)
Locknut
C
1
180.31
mm
7.099
in
D
24.08
mm
0.948
in
Lockwasher
Q
2.92
mm
0.115
in
R
141.78
mm
5.582
in
B
188.93
mm
7.438
in
s
14.99
mm
0.59
in
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2D Sales Drawing
DOWNLOADS
Metric Accessories Index
(PDF, 77KB)
Metric Accessories Prefixes and Suffixes
(PDF, 33KB)
Nomenclature
(PDF, 41KB)
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The Timken Company. ©
The Timken Company.
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The Timken Company.