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SKF / Lock nuts

SKF HM 3056

Lock nut with metric trapezoidal thread, for locking by clip technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
280 mm
Outside diameterD
330 mm
WidthB
38 mm
Mass≈m
5.57 kg
Thread designation
Tr 280x4
Bore diameter
280.0 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 diameterd280 mm
Outside diameterD330 mm
WidthB38 mm
Mass≈m5.57 kg
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Thread designationTr 280x4
Bore diameter280.0 mm
Outside diameter330.0 mm
Width38.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryLock nuts
Official taxonomy path/products/rolling-bearings/accessories/lock-nuts/keyway
Structure group IDANL_001
Available from SKFYes
RemanufacturableNo
Engineering — Associated products1 parameter
Engineering — Associated products
ParameterSymbolValue
Locking deviceMS 3056
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
ThreadGTr 280x4
Outside diameterd 3330 mm
WidthB38 mm
Diameter locating side faced 1310 mm
Pitch diameter threaded holes for locking clipd 2293 mm
Width including locking clipB 550 mm
Width locating slotb24 mm
Depth locating sloth10 mm
Engineering — Mounting information1 parameter
Engineering — Mounting information
ParameterSymbolValue
Associated spannerTMFN 52-64
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight5.57 kg
eClass code23-11-07-05
UNSPSC code31163218
Properties3 parameters
Properties
ParameterSymbolValue
Locking deviceLocking clip
Nut for hydraulic mountingNo
Associated mounting toolTMFN 52-64

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 HM 3056
Document matching
Exact designation, assembly scope, revision and units must agree.

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