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SKF / Inner rings

SKF IR 70X80X35

Inner ring for needle roller bearings, ir series technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
70 mm
Outside diameterD
80 mm
WidthB
35 mm
Mass≈m
0.313 kg
Bore diameter
70.0 mm
Outside diameter
80.0 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 specifications6 parameters
Core specifications
ParameterSymbolValue
Variant / constructionInner rings
Bore diameterd70 mm
Outside diameterD80 mm
WidthB35 mm
Mass≈m0.313 kg
Internal clearanceCN
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter70.0 mm
Outside diameter80.0 mm
Width35.0 mm
Raceway diameter80.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryInner rings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-bearing-components
Structure group IDBN1_006
Available from SKFYes
RemanufacturableNo
Engineering — Dimensions4 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd70 mm
Raceway diameterF80 mm
WidthB35 mm
Chamfer dimension inner ringr, r 1,2min. 1 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.313 kg
eClass code23-05-09-03
UNSPSC code31171512
Properties6 parameters
Properties
ParameterSymbolValue
Special raceway featureNone
Radial internal clearanceCN
Tolerance classNormal
MaterialBearing steel
CoatingWithout
Relubrication featureWithout

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 IR 70X80X35
Document matching
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