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SKF / Spherical roller bearings

SKF 21308 E/C3

Spherical roller bearing with relubrication features technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
40 mm
Outside diameterD
90 mm
WidthB
23 mm
Dynamic load ratingC
107 kN
Static load ratingC0
108 kN
Limiting speednG
9500 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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSpherical roller bearings
Bore diameterd40 mm
Outside diameterD90 mm
WidthB23 mm
Basic dynamic load ratingC107 kN
Basic static load ratingC0108 kN
Reference speednref7000 r/min
Limiting speednG9500 r/min
Mass≈m0.738 kg
Internal clearanceC3
SealingWithout
CageSheet metal
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter40.0 mm
Outside diameter90.0 mm
Width23.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySpherical roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/spherical-roller-bearings
Structure group IDBS2_001
Available from SKFYes
RemanufacturableNo
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.738 kg
eClass code23-05-09-11
UNSPSC code31171510
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating107.0 kN
Basic static load rating108.0 kN
Reference speed7000.0 r/min
Limiting speed9500.0 r/min
SKF performance classSKF Explorer
Properties11 parameters
Properties
ParameterSymbolValue
Number of rows2
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageSheet metal
Radial internal clearanceC3
Tolerance class for dimensionsNormal
Tolerance class for run-outP5
SealingWithout
LubricantNone
Relubrication featureWith
Indicative carbon footprint for new product2.7 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 21308 E/C3
Document matching
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