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SKF / Adapter sleeves

SKF HA 311

Adapter sleeve with km lock nut and mb lock washer, metric dimensions with inch bore technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
49.213 mm
WidthB
45 mm
Mass≈m
0.338 kg
Bore diameter
49.213 mm
Width
45.0 mm
Thread designation
M55x2

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 specifications4 parameters
Core specifications
ParameterSymbolValue
Variant / constructionAdapter sleeves
Bore diameterd49.213 mm
WidthB45 mm
Mass≈m0.338 kg
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter49.213 mm
Width45.0 mm
Thread designationM55x2
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryAdapter sleeves
Official taxonomy path/products/rolling-bearings/accessories/adapter-sleeves
Structure group IDASA_002
Available from SKFYes
RemanufacturableNo
Engineering — Associated products1 parameter
Engineering — Associated products
ParameterSymbolValue
Hydraulic nutHMV 11E
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd 149.213 mm
Outside diameter small taperd55 mm
Outside diameter lock nutd 375 mm
WidthB 145 mm
Width lock nutB11 mm
Width lock nut including lock washerB 412.5 mm
ThreadGM55x2
External taper1:12
Engineering — Included products2 parameters
Engineering — Included products
ParameterSymbolValue
Lock nutKM 11
Locking deviceMB 11
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.338 kg
eClass code23-11-07-05
UNSPSC code31163218
Properties2 parameters
Properties
ParameterSymbolValue
Taper1:12
Holes for oil injectionWithout

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 HA 311
Document matching
Exact designation, assembly scope, revision and units must agree.

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