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FAG / Locknut

FAG KM4

Locknut technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
WidthB
6 mm
Mass≈m
0.021 kg
ThreadG
M20x1
Outerside diameterd2
32 mm / 1.26 in
Chamfer diameterd1
26 mm / 1.024 in
Width retaining slotb
4 mm / 0.157 in

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 specifications2 parameters
Core specifications
ParameterSymbolValue
WidthB6 mm
Mass≈m0.021 kg
Main Dimensions & Performance Data4 parameters
Main Dimensions & Performance Data
ParameterSymbolValue
ThreadGM20x1
Outerside diameterd232 mm1.26 in
WidthB6 mm0.236 in
Mass≈m21 g0.741 oz
Mounting dimensions3 parameters
Mounting dimensions
ParameterSymbolValue
Chamfer diameterd126 mm1.024 in
Width retaining slotb4 mm0.157 in
Groove base distanceA^a28 mm1.102 in
Manufacturer Identity6 parameters
Manufacturer Identity
ParameterSymbolValue
Schaeffler Product Code418313
BrandFAG
Base TypeKM4
X Life Markingn.r.
SAP material number0380411200000
Base product23110822ZZ_NoSuffix
Product Identity2 parameters
Product Identity
ParameterSymbolValue
ConstructionLocknuts KM, main dimensions to DIN 981
Short DescriptionLocknut
Additional information3 parameters
Additional information
ParameterSymbolValue
Axial load capacity, staticF12,000 N2,697.842 lbf
FuseMB4
Chamfer angle30 °
Technical Data7 parameters
Technical Data
ParameterSymbolValue
Total Width (B)6 mm
Groove Base Distance (A^A)28 mm
Outside Diameter Nut (D2)32 mm
Axial Load Capacity, Static (F)12,000 N
Width Retaining Slot (B)4 mm
Champfer Angle (Champfer Ang)30 °
Chamfer Diameter (D1)26 mm

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
FAG KM4
Document matching
Exact designation, assembly scope, revision and units must agree.

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