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SKF / Needle roller bearings

SKF NA 4901 RS

Single row needle roller bearing with machined rings, with flanges and integral sealing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
12 mm
Outside diameterD
24 mm
WidthB
14 mm
Dynamic load ratingC
8.09 kN
Static load ratingC0
9.65 kN
Limiting speednG
11000 r/min

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 specifications14 parameters
Core specifications
ParameterSymbolValue
Variant / constructionNeedle roller bearings
Bore diameterd12 mm
Outside diameterD24 mm
WidthB14 mm
Basic dynamic load ratingC8.09 kN
Basic static load ratingC09.65 kN
Fatigue load limitPu1.14 kN
Limiting speednG11000 r/min
Mass≈m0.028 kg
Internal clearanceCN
SealingSeal on one side
CageSheet metal
Bearing materialBearing steel
LubricantGrease
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter12.0 mm
Outside diameter24.0 mm
Width14.0 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_003
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Smallest permissible abutment diameter shaft, bearings with flangesd amin. 14 mm
Diameter of housing abutmentD amax. 22 mm
Fillet radiusr amax. 0.3 mm
Engineering — Calculation data4 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC8.09 kN
Basic static load ratingC 09.65 kN
Fatigue load limitP u1.14 kN
Limiting speed11000 r/min
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd12 mm
Outside diameterD24 mm
WidthB14 mm
Width outer ringC13 mm
Raceway diameter inner ringF16 mm
Chamfer dimension outer ringr 1,2min. 0.3 mm
Permissible axial displacement from the normal position of one bearing ring relative to the othersmax. 0.5 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.028 kg
eClass code23-05-09-03
UNSPSC code31171512
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating8.09 kN
Basic static load rating9.65 kN
Limiting speed11000.0 r/min
Properties15 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Number of rows1
Outer ring typeMachined (solid)
Aligning featureWithout
CageSheet metal
Number of flanges, outer ring2
Radial internal clearanceCN
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingSeal on one side
Sealing typeContact
LubricantGrease
Relubrication featureWith
Indicative carbon footprint for new product0.1 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NA 4901 RS
Document matching
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