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SKF / Needle roller bearings

SKF RNA 4908 RS

Single row needle roller bearing with machined rings, with flanges and integral sealing, without inner ring technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Outside diameterD
62 mm
WidthB
22 mm
Dynamic load ratingC
42.5 kN
Static load ratingC0
58.5 kN
Limiting speednG
4000 r/min
Mass≈m
0.154 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 diameterD62 mm
WidthB22 mm
Basic dynamic load ratingC42.5 kN
Basic static load ratingC058.5 kN
Fatigue load limitPu7.35 kN
Reference speednref8000 r/min
Limiting speednG4000 r/min
Mass≈m0.154 kg
SealingSeal on one side
CageSheet steel
Bearing materialBearing steel
LubricantGrease
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter of needle roller complement48.0 mm
Outside diameter62.0 mm
Width22.0 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-bearings-with-machined-rings
Structure group IDBN1_002
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions2 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of housing abutmentD amax. 58 mm
Fillet radiusr amax. 0.6 mm
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC42.5 kN
Basic static load ratingC 058.5 kN
Fatigue load limitP u7.35 kN
Reference speed8000 r/min
Limiting speed4000 r/min
Engineering — Dimensions4 parameters
Engineering — Dimensions
ParameterSymbolValue
Diameter under rollersF w48 mm
Outside diameterD62 mm
WidthC22 mm
Chamfer dimension outer ringr 1,2min. 0.6 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.154 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating42.5 kN
Basic static load rating58.5 kN
Reference speed8000.0 r/min
Limiting speed4000.0 r/min
SKF performance classSKF Explorer
Properties14 parameters
Properties
ParameterSymbolValue
Bearing partBearing without inner ring
Number of rows1
Outer ring typeMachined (solid)
Aligning featureWithout
CageSheet steel
Number of flanges, outer ring2
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingSeal on one side
Sealing typeContact
LubricantGrease
Relubrication featureWith
Indicative carbon footprint for new product0.57 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF RNA 4908 RS
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