99,016 bearing records · search, filter and compare

SKF / Needle roller bearings

SKF RNA 4908

Single row needle roller bearing with machined rings, with flanges, 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
50 kN
Static load ratingC0
71 kN
Limiting speednG
9500 r/min
Mass≈m
0.14 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 ratingC50 kN
Basic static load ratingC071 kN
Fatigue load limitPu9 kN
Reference speednref8000 r/min
Limiting speednG9500 r/min
Mass≈m0.14 kg
SealingWithout
CageSheet steel
Bearing materialBearing steel
LubricantNone
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 — Associated seals1 parameter
Engineering — Associated seals
ParameterSymbolValue
Radial shaft seal48x62x8 HMS5 RG
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC50 kN
Basic static load ratingC 071 kN
Fatigue load limitP u9 kN
Reference speed8000 r/min
Limiting speed9500 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 weight0.14 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating50.0 kN
Basic static load rating71.0 kN
Reference speed8000.0 r/min
Limiting speed9500.0 r/min
SKF performance classSKF Explorer
Properties13 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
SealingWithout
LubricantNone
Relubrication featureWith
Indicative carbon footprint for new product0.52 kg CO 2 e

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 RNA 4908
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search