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SKF / Needle roller bearings

SKF K 73X79X20

Single row needle roller and cage assembly technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Outside diameterD
79 mm
WidthB
20 mm
Dynamic load ratingC
35.2 kN
Static load ratingC0
90 kN
Limiting speednG
6300 r/min
Mass≈m
0.069 kg

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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionNeedle roller bearings
Outside diameterD79 mm
WidthB20 mm
Basic dynamic load ratingC35.2 kN
Basic static load ratingC090 kN
Fatigue load limitPu11.2 kN
Reference speednref5600 r/min
Limiting speednG6300 r/min
Mass≈m0.069 kg
SealingWithout
CageSheet steel
Bearing materialBearing steel
LubricantNone
Dimensions4 parameters
Dimensions
ParameterSymbolValue
Bore diameter of needle roller complement73.0 mm
Outside diameter79.0 mm
Outside diameter of needle roller complement79.0 mm
Width20.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryNeedle roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/needle-roller-bearings/needle-roller-and-cage-assemblies
Structure group IDBN1_001
Available from SKFYes
RemanufacturableNo
Engineering — Calculation data5 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC35.2 kN
Basic static load ratingC 090 kN
Fatigue load limitP u11.2 kN
Reference speed5600 r/min
Limiting speed6300 r/min
Engineering — Dimensions3 parameters
Engineering — Dimensions
ParameterSymbolValue
Diameter under rollersF w73 mm
Outside diameter roller complementE w79 mm
Width needle roller and cage assemblyU20 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.069 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating35.2 kN
Basic static load rating90.0 kN
Reference speed5600.0 r/min
Limiting speed6300.0 r/min
Properties12 parameters
Properties
ParameterSymbolValue
Bearing partNeedle roller and cage assembly
Number of rows1
Outer ring typeNot applicable
Aligning featureWithout
CageSheet steel
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product0.26 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF K 73X79X20
Document matching
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