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SKF / Lock nuts

SKF HM 30/850

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
850 mm
Outside diameterD
980 mm
WidthB
90 mm
Mass≈m
115 kg
Thread designation
Tr 850x7
Bore diameter
850.0 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 diameterd850 mm
Outside diameterD980 mm
WidthB90 mm
Mass≈m115 kg
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Thread designationTr 850x7
Bore diameter850.0 mm
Outside diameter980.0 mm
Width90.0 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 30/900-850
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
ThreadGTr 850x7
Outside diameterd 3980 mm
WidthB90 mm
Diameter locating side faced 1925 mm
Pitch diameter threaded holes for locking clipd 2887 mm
Width including locking clipB 5115 mm
Width locating slotb60 mm
Depth locating sloth25 mm
Engineering — Mounting information1 parameter
Engineering — Mounting information
ParameterSymbolValue
Associated eyebolt for handlingM 12
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight115.0 kg
eClass code23-11-07-05
UNSPSC code31163218
Properties2 parameters
Properties
ParameterSymbolValue
Locking deviceLocking clip
Nut for hydraulic mountingNo

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 30/850
Document matching
Exact designation, assembly scope, revision and units must agree.

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