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SKF / Tapered roller bearings

SKF BT4B 328944 G/HA1VA901

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

Technical data available
Bore diameterd
440 mm
Outside diameterD
650 mm
Dynamic load ratingC
6605 kN
Static load ratingC0
13200 kN
Mass≈m
404 kg
Bore diameter
440.0 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 diameterd440 mm
Outside diameterD650 mm
Basic dynamic load ratingC6605 kN
Basic static load ratingC013200 kN
Fatigue load limitPu1020 kN
Mass≈m404 kg
SealingSeal on both sides
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter440.0 mm
Outside diameter650.0 mm
Width, total353.5 mm
Width, inner ring353.5 mm
Width, outer ring353.5 mm
Contact angle12.1 °
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 ratingC6605 kN
Basic static load ratingC 013200 kN
Fatigue load limitP u1020 kN
Comparative radial load ratingC F1760 kN
Comparative axial load ratingC Fa275 kN
Thrust factorK1.8
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd440 mm
Outside diameterD650 mm
Total bearing width over inner ringsB353.5 mm
Total bearing width over outer ringsT353.5 mm
Abutment diameter shaftd 1≈ 488 mm
Abutment diameter housingD 1≈ 580 mm
Chamfer dimension inner ringr 1,2min. 6.4 mm
Outer ring radius (chamfer)r 3,4min. 6.4 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQOSN/GWISI
Bore typeCylindrical with helical groove
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight404.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating6605.0 kN
Basic static load rating13200.0 kN
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 product1495.0 kg CO 2 e
Indicative carbon footprint for remanufactured product497.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF BT4B 328944 G/HA1VA901
Document matching
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