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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 N 12-W 12
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Part Number N 12-W 12, 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
60
mm
Locknut
N 12
Lockwasher
W 12
Threads
Major Diameter
59.94
mm
2.360
in
Threads No. per Inch
18
Shaft
Relief Diameter A
57.94
mm
2.281
in
Diameter S-3
57.15
mm
2.25
in
W
1
3.58
mm
0.141
in
L
2
12.70
mm
0.500
in
H
3
3.2
mm
0.125
in
S
4
7.92
mm
0.312
in
M
5
3.96
mm
0.156
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
80.29
mm
3.161
in
D
13.74
mm
0.541
in
Lockwasher
Q
1.35
mm
0.053
in
R
60.96
mm
2.4
in
B
84.94
mm
3.344
in
s
7.37
mm
0.29
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.