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SKF / Lock nuts

SKF HM 30/670

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
670 mm
Outside diameterD
780 mm
WidthB
80 mm
Mass≈m
68.5 kg
Thread designation
Tr 670x6
Bore diameter
670.0 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 diameterd670 mm
Outside diameterD780 mm
WidthB80 mm
Mass≈m68.5 kg
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Thread designationTr 670x6
Bore diameter670.0 mm
Outside diameter780.0 mm
Width80.0 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 30/670
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
ThreadGTr 670x6
Outside diameterd 3780 mm
WidthB80 mm
Diameter locating side faced 1740 mm
Pitch diameter threaded holes for locking clipd 2703 mm
Width including locking clipB 5102 mm
Width locating slotb45 mm
Depth locating sloth20 mm
Engineering — Mounting information2 parameters
Engineering — Mounting information
ParameterSymbolValue
Associated spannerTMFN 600-750
Associated eyebolt for handlingM 10
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight68.5 kg
eClass code23-11-07-05
UNSPSC code31163218
Properties3 parameters
Properties
ParameterSymbolValue
Locking deviceLocking clip
Nut for hydraulic mountingNo
Associated mounting toolTMFN 600-750

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 30/670
Document matching
Exact designation, assembly scope, revision and units must agree.

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