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SKF / Tapered roller bearings

SKF BT4B 328509/HA4

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

Technical data available
Bore diameterd
560 mm
Outside diameterD
920 mm
Dynamic load ratingC
16500 kN
Static load ratingC0
34000 kN
Mass≈m
1640 kg
Bore diameter
560.0 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 diameterd560 mm
Outside diameterD920 mm
Basic dynamic load ratingC16500 kN
Basic static load ratingC034000 kN
Fatigue load limitPu2320 kN
Mass≈m1640 kg
SealingWithout
CageMachined brass
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter560.0 mm
Outside diameter920.0 mm
Width, total618.0 mm
Width, inner ring618.0 mm
Width, outer ring618.0 mm
Contact angle14.8 °
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 ratingC16500 kN
Basic static load ratingC 034000 kN
Fatigue load limitP u2320 kN
Comparative radial load ratingC F4400 kN
Comparative axial load ratingC Fa858 kN
Thrust factorK1.5
Limiting valuee0.4
Calculation factorY 11.7
Calculation factorY 22.5
Calculation factorY 01.6
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd560 mm
Outside diameterD920 mm
Total bearing width over inner ringsB618 mm
Total bearing width over outer ringsT618 mm
Abutment diameter shaftd 1≈ 632 mm
Abutment diameter housingD 1≈ 800 mm
Chamfer dimension inner ringr 1,2min. 7.5 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 weight1640.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating16500.0 kN
Basic static load rating34000.0 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 product6068.0 kg CO 2 e
Indicative carbon footprint for remanufactured product2017.0 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 328509/HA4
Document matching
Exact designation, assembly scope, revision and units must agree.

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