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SKF / Needle roller bearings

SKF RNA 4903.2RS

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
30 mm
WidthB
13 mm
Dynamic load ratingC
9.52 kN
Static load ratingC0
12.9 kN
Limiting speednG
9000 r/min
Mass≈m
0.023 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 specifications12 parameters
Core specifications
ParameterSymbolValue
Variant / constructionNeedle roller bearings
Outside diameterD30 mm
WidthB13 mm
Basic dynamic load ratingC9.52 kN
Basic static load ratingC012.9 kN
Fatigue load limitPu1.53 kN
Limiting speednG9000 r/min
Mass≈m0.023 kg
SealingSeal on both sides
CageSheet steel
Bearing materialBearing steel
LubricantGrease
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter of needle roller complement22.0 mm
Outside diameter30.0 mm
Width13.0 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. 28 mm
Fillet radiusr amax. 0.3 mm
Engineering — Calculation data4 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC9.52 kN
Basic static load ratingC 012.9 kN
Fatigue load limitP u1.53 kN
Limiting speed9000 r/min
Engineering — Dimensions4 parameters
Engineering — Dimensions
ParameterSymbolValue
Diameter under rollersF w22 mm
Outside diameterD30 mm
WidthC13 mm
Chamfer dimension outer ringr 1,2min. 0.3 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.023 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating9.52 kN
Basic static load rating12.9 kN
Limiting speed9000.0 r/min
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 both sides
Sealing typeContact
LubricantGrease
Relubrication featureWith
Indicative carbon footprint for new product0.09 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF RNA 4903.2RS
Document matching
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