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SKF / Tapered roller bearings

SKF BT4B 328376/HA4

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

Technical data available
Bore diameterd
750 mm
Outside diameterD
1130 mm
Dynamic load ratingC
20100 kN
Static load ratingC0
46500 kN
Mass≈m
2431 kg
Bore diameter
750.0 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 diameterd750 mm
Outside diameterD1130 mm
Basic dynamic load ratingC20100 kN
Basic static load ratingC046500 kN
Fatigue load limitPu3000 kN
Mass≈m2431 kg
SealingWithout
CageMachined brass
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter750.0 mm
Outside diameter1130.0 mm
Width, total690.0 mm
Width, inner ring690.0 mm
Width, outer ring690.0 mm
Contact angle18.0 °
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 ratingC20100 kN
Basic static load ratingC 046500 kN
Fatigue load limitP u3000 kN
Comparative radial load ratingC F5400 kN
Comparative axial load ratingC Fa1300 kN
Thrust factorK1.2
Limiting valuee0.48
Calculation factorY 11.4
Calculation factorY 22.1
Calculation factorY 01.4
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd750 mm
Outside diameterD1130 mm
Total bearing width over inner ringsB690 mm
Total bearing width over outer ringsT690 mm
Abutment diameter shaftd 1≈ 826 mm
Abutment diameter housingD 1≈ 990 mm
Chamfer dimension inner ringr 1,2min. 4 mm
Outer ring radius (chamfer)r 3,4min. 7.5 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQO.1/WI
Bore typeCylindrical
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight2431.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating20100.0 kN
Basic static load rating46500.0 kN
Properties15 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
DesignTQO
Number of rows4
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Arrangement of contact angle (double-row bearing)Not applicable
Matched arrangementNo
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWith
Candidate for remanufacturingYes
Indicative carbon footprint for new product8995.0 kg CO 2 e
Indicative carbon footprint for remanufactured product2990.0 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 328376/HA4
Document matching
Exact designation, assembly scope, revision and units must agree.

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