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SKF / Lock nuts

SKF N 40

Lock nut with inch thread, for locking by lock washer or locking plate technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
199.314 mm
Outside diameterD
250.165 mm
WidthB
30.429 mm
Mass≈m
3.4 kg
Thread designation
7.847-11
Bore diameter
199.314 mm

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications5 parameters
Core specifications
ParameterSymbolValue
Variant / constructionLock nuts
Bore diameterd199.314 mm
Outside diameterD250.165 mm
WidthB30.429 mm
Mass≈m3.4 kg
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Thread designation7.847-11
Bore diameter199.314 mm
Outside diameter250.165 mm
Width30.429 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryLock nuts
Official taxonomy path/products/rolling-bearings/accessories/lock-nuts/keyway
Structure group IDANL_010
Available from SKFYes
RemanufacturableNo
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight3.4 kg
eClass code23-11-07-05
UNSPSC code31163218
Properties3 parameters
Properties
ParameterSymbolValue
Locking deviceLock washer
Nut for hydraulic mountingNo
Associated mounting toolTMFN 30-40

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
SKF N 40
Document matching
Exact designation, assembly scope, revision and units must agree.

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