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SKF / Tapered roller bearings

SKF 331381 A

Four-row tapered roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
333.375 mm
Outside diameterD
469.9 mm
Dynamic load ratingC
4897 kN
Static load ratingC0
11400 kN
Mass≈m
190 kg
Bore diameter
333.375 mm

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 specifications10 parameters
Core specifications
ParameterSymbolValue
Variant / constructionTapered roller bearings
Bore diameterd333.375 mm
Outside diameterD469.9 mm
Basic dynamic load ratingC4897 kN
Basic static load ratingC011400 kN
Fatigue load limitPu930 kN
Mass≈m190 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter333.375 mm
Outside diameter469.9 mm
Width, total342.9 mm
Width, inner ring342.9 mm
Width, outer ring342.9 mm
Contact angle12.7 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryTapered roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/tapered-roller-bearings/four-row-tapered-roller-bearings
Structure group IDBT4_001
Available from SKFYes
RemanufacturableYes
Engineering — Calculation data10 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC4897 kN
Basic static load ratingC 011400 kN
Fatigue load limitP u930 kN
Comparative radial load ratingC F1290 kN
Comparative axial load ratingC Fa217 kN
Thrust factorK1.7
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd333.375 mm
Outside diameterD469.9 mm
Total bearing width over inner ringsB342.9 mm
Total bearing width over outer ringsT342.9 mm
Abutment diameter shaftd 1≈ 365 mm
Abutment diameter housingD 1≈ 419 mm
Chamfer dimension inner ringr 1,2min. 3.3 mm
Outer ring radius (chamfer)r 3,4min. 3.3 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQO/GWI
Bore typeCylindrical with helical groove
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight190.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating4897.0 kN
Basic static load rating11400.0 kN
Properties15 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
DesignTQO
Number of rows4
Locating feature, bearing outer ringWithout
Bore typeCylindrical with helical groove
CageSheet metal
Arrangement of contact angle (double-row bearing)Not applicable
Matched arrangementNo
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWith
Candidate for remanufacturingYes
Indicative carbon footprint for new product701.0 kg CO 2 e
Indicative carbon footprint for remanufactured product233.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 331381 A
Document matching
Exact designation, assembly scope, revision and units must agree.

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