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SKF / Tapered roller bearings

SKF BT4B 331093 BG/HA1

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

Technical data available
Bore diameterd
585.788 mm
Outside diameterD
771.525 mm
Dynamic load ratingC
10600 kN
Static load ratingC0
30000 kN
Mass≈m
560 kg
Bore diameter
585.788 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 diameterd585.788 mm
Outside diameterD771.525 mm
Basic dynamic load ratingC10600 kN
Basic static load ratingC030000 kN
Fatigue load limitPu2000 kN
Mass≈m560 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter585.788 mm
Outside diameter771.525 mm
Width, total479.425 mm
Width, inner ring479.425 mm
Width, outer ring479.425 mm
Contact angle12.5 °
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 ratingC10600 kN
Basic static load ratingC 030000 kN
Fatigue load limitP u2000 kN
Comparative radial load ratingC F2650 kN
Comparative axial load ratingC Fa426 kN
Thrust factorK1.8
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd585.788 mm
Outside diameterD771.525 mm
Total bearing width over inner ringsB479.425 mm
Total bearing width over outer ringsT479.425 mm
Abutment diameter shaftd 1≈ 622 mm
Abutment diameter housingD 1≈ 704 mm
Chamfer dimension inner ringr 1,2min. 3.3 mm
Outer ring radius (chamfer)r 3,4min. 6.4 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQON/GW
Bore typeCylindrical with helical groove
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight560.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating10600.0 kN
Basic static load rating30000.0 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 product2072.0 kg CO 2 e
Indicative carbon footprint for remanufactured product689.0 kg CO 2 e

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
SKF BT4B 331093 BG/HA1
Document matching
Exact designation, assembly scope, revision and units must agree.

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