All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Spherical Roller Bearing Metric and Inch Accessories > Inch Accessories - Locknut and Lockplate > Part Number N 056-P 56  

Part Number N 056-P 56, Inch Accessories - Locknut and Lockplate

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  • The chart below shows dimensions for locknuts and lockplates 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., 222,223 etc.).




Specifications  · Threads  · Shaft  · Locknut/Lockplate

Specifications

Bearing Bore
280 mm

Locknut
N 056

Lockplate
P 56


Threads

Major Diameter
279.5 mm
11.004 in

Threads No. per Inch
6


Shaft

Relief Diameter A
273.38 mm
10.763 in

Diameter S-3
273.05 mm
10 3/4 in

L1
41.28 mm
1.625 in

H2
11.13 mm
0.438 in

S3
31.8 mm
1.250 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)


Locknut/Lockplate

C1
330.33 mm
13.005 in

D
38.35 mm
1.51 in

G
24.89 mm
0.98 in

H11
9.78 mm
0.385 in

R
228.6 mm
9 in

F
47.23 mm
1.859 in
1 Tolerance ±0.25 mm (±0.010 in)


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·  Inch Assessories - Locknut and Lockplate



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Metric Accessories Index
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Metric Accessories Prefixes and Suffixes
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Nomenclature
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