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SKF / Lock nuts

SKF KMT 4

Precision lock nut with locking pins technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
20 mm
Outside diameterD
40 mm
WidthB
18 mm
Mass≈m
0.107 kg
Thread designation
M 20x1
Bore diameter
20.0 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 diameterd20 mm
Outside diameterD40 mm
WidthB18 mm
Mass≈m0.107 kg
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Thread designationM 20x1
Bore diameter20.0 mm
Outside diameter40.0 mm
Width18.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryLock nuts
Official taxonomy path/products/rolling-bearings/accessories/lock-nuts/precision
Structure group IDANL_007
Available from SKFYes
RemanufacturableNo
Engineering — Calculation data1 parameter
Engineering — Calculation data
ParameterSymbolValue
Axial static load carrying capacity90 kN
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
ThreadGM 20x1
Outside diameter locating side faced 135 mm
WidthB18 mm
Outside diameterd 340 mm
Inner diameter locating side faced 421 mm
Diameter side face opposite to bearingd 532 mm
Width flat spannerM36 mm
Width locating slotb5 mm
Depth locating sloth2 mm
Engineering — Mounting information3 parameters
Engineering — Mounting information
ParameterSymbolValue
Associated spanner (Hook spanner in accordance with DIN 1810)HN 5-6
Set / Locking screw sizeM6
Recommended tightening torque8 N·m
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.107 kg
eClass code23-11-07-05
UNSPSC code31163218
Properties3 parameters
Properties
ParameterSymbolValue
Locking deviceIncorporated in the lock nut
Nut for hydraulic mountingNo
Associated mounting toolHN 5-6

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 KMT 4
Document matching
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