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SKF / Tapered roller bearings

SKF BT4-8125 EA1/C725

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

Technical data available
Bore diameterd
457.2 mm
Outside diameterD
606 mm
Dynamic load ratingC
7500 kN
Static load ratingC0
16300 kN
Mass≈m
298 kg
Bore diameter
457.2 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 diameterd457.2 mm
Outside diameterD606 mm
Basic dynamic load ratingC7500 kN
Basic static load ratingC016300 kN
Fatigue load limitPu1250 kN
Mass≈m298 kg
SealingSeal on both sides
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter457.2 mm
Outside diameter606.0 mm
Width, total381.0 mm
Width, inner ring381.0 mm
Width, outer ring381.0 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 data11 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC7500 kN
Basic static load ratingC 016300 kN
Fatigue load limitP u1250 kN
Comparative radial load ratingC F1830 kN
Comparative axial load ratingC Fa295 kN
Thrust factorK1.8
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd457.2 mm
Outside diameterD606 mm
Total bearing width over inner ringsB381 mm
Total bearing width over outer ringsT381 mm
Abutment diameter shaftd 1≈ 490 mm
Abutment diameter housingD 1≈ 560 mm
Chamfer dimension inner ringr 1,2min. 1 mm
Outer ring radius (chamfer)r 3,4min. 6.4 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQOSN/GWSI
Bore typeCylindrical with helical groove
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight298.0 kg
eClass code23-05-09-10
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating7500.0 kN
Basic static load rating16300.0 kN
SKF performance classSKF Explorer
Properties16 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
SealingSeal on both sides
Sealing typeContact
LubricantNone
Relubrication featureWith
Candidate for remanufacturingYes
Indicative carbon footprint for new product1103.0 kg CO 2 e
Indicative carbon footprint for remanufactured product367.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF BT4-8125 EA1/C725
Document matching
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