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SKF / Inner rings

SKF IR 170X185X45

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

Technical data available
Bore diameterd
170 mm
Outside diameterD
185 mm
WidthB
45 mm
Mass≈m
1.45 kg
Bore diameter
170.0 mm
Outside diameter
185.0 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 diameterd170 mm
Outside diameterD185 mm
WidthB45 mm
Mass≈m1.45 kg
Internal clearanceCN
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter170.0 mm
Outside diameter185.0 mm
Width45.0 mm
Raceway diameter185.0 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 diameterd170 mm
Raceway diameterF185 mm
WidthB45 mm
Chamfer dimension inner ringr, r 1,2min. 1.1 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight1.45 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 170X185X45
Document matching
Exact designation, assembly scope, revision and units must agree.

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