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SKF / Tapered roller bearings

SKF BT4B 334056 B/HA1

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

Technical data available
Bore diameterd
368.3 mm
Outside diameterD
523.875 mm
Dynamic load ratingC
6266 kN
Static load ratingC0
15000 kN
Mass≈m
303 kg
Bore diameter
368.3 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 diameterd368.3 mm
Outside diameterD523.875 mm
Basic dynamic load ratingC6266 kN
Basic static load ratingC015000 kN
Fatigue load limitPu1160 kN
Mass≈m303 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter368.3 mm
Outside diameter523.875 mm
Width, total419.96 mm
Width, inner ring419.96 mm
Width, outer ring366.712 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_002
Available from SKFYes
RemanufacturableYes
Engineering — Calculation data10 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC6266 kN
Basic static load ratingC 015000 kN
Fatigue load limitP u1160 kN
Comparative radial load ratingC F1660 kN
Comparative axial load ratingC Fa273 kN
Thrust factorK1.8
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd368.3 mm
Outside diameterD523.875 mm
Total bearing width over inner ringsB419.96 mm
Total bearing width over outer ringsT366.712 mm
Abutment diameter shaftd 1≈ 432 mm
Abutment diameter housingD 1≈ 499 mm
Inner ring radius (chamfer)r 1,2min. 3.3 mm
Chamfer dimension outer ringr 3,4min. 0.4 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQIN
Bore typeCylindrical
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight303.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating6266.0 kN
Basic static load rating15000.0 kN
Properties15 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
DesignTQI
Number of rows4
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageSheet metal
Arrangement of contact angle (double-row bearing)Not applicable
Matched arrangementNo
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product1121.0 kg CO 2 e
Indicative carbon footprint for remanufactured product373.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF BT4B 334056 B/HA1
Document matching
Exact designation, assembly scope, revision and units must agree.

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