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SKF / Tapered roller bearings

SKF BT4B 330993 AG/HA1

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

Technical data available
Bore diameterd
558.8 mm
Outside diameterD
736.6 mm
Dynamic load ratingC
8580 kN
Static load ratingC0
23200 kN
Mass≈m
480 kg
Bore diameter
558.8 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 diameterd558.8 mm
Outside diameterD736.6 mm
Basic dynamic load ratingC8580 kN
Basic static load ratingC023200 kN
Fatigue load limitPu1630 kN
Mass≈m480 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter558.8 mm
Outside diameter736.6 mm
Width, total409.575 mm
Width, inner ring409.575 mm
Width, outer ring409.575 mm
Contact angle13.0 °
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 ratingC8580 kN
Basic static load ratingC 023200 kN
Fatigue load limitP u1630 kN
Comparative radial load ratingC F2120 kN
Comparative axial load ratingC Fa355 kN
Thrust factorK1.7
Limiting valuee0.35
Calculation factorY 11.9
Calculation factorY 22.9
Calculation factorY 01.8
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd558.8 mm
Outside diameterD736.6 mm
Total bearing width over inner ringsB409.575 mm
Total bearing width over outer ringsT409.575 mm
Abutment diameter shaftd 1≈ 594 mm
Abutment diameter housingD 1≈ 672 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 weight480.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating8580.0 kN
Basic static load rating23200.0 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 product1776.0 kg CO 2 e
Indicative carbon footprint for remanufactured product590.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF BT4B 330993 AG/HA1
Document matching
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