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SKF / Spherical roller bearings

SKF 21306 CC/C3

Spherical roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
30 mm
Outside diameterD
72 mm
WidthB
19 mm
Dynamic load ratingC
65.7 kN
Static load ratingC0
61 kN
Limiting speednG
13000 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 diameterd30 mm
Outside diameterD72 mm
WidthB19 mm
Basic dynamic load ratingC65.7 kN
Basic static load ratingC061 kN
Reference speednref9500 r/min
Limiting speednG13000 r/min
Mass≈m0.409 kg
Internal clearanceC3
SealingWithout
CageSheet metal
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter30.0 mm
Outside diameter72.0 mm
Width19.0 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 weight0.409 kg
eClass code23-05-09-11
UNSPSC code31171510
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating65.7 kN
Basic static load rating61.0 kN
Reference speed9500.0 r/min
Limiting speed13000.0 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 featureWithout
Indicative carbon footprint for new product1.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 21306 CC/C3
Document matching
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