99,016 bearing records · search, filter and compare

SKF / Tapered roller bearings

SKF BT4-8050/HA1

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
540 mm
Dynamic load ratingC
4840 kN
Static load ratingC0
12500 kN
Mass≈m
215 kg
Bore diameter
400.0 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 diameterd400 mm
Outside diameterD540 mm
Basic dynamic load ratingC4840 kN
Basic static load ratingC012500 kN
Fatigue load limitPu980 kN
Mass≈m215 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter400.0 mm
Outside diameter540.0 mm
Width, total339.96 mm
Width, inner ring339.96 mm
Width, outer ring295.0 mm
Contact angle11.7 °
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 ratingC4840 kN
Basic static load ratingC 012500 kN
Fatigue load limitP u980 kN
Comparative radial load ratingC F1270 kN
Comparative axial load ratingC Fa193 kN
Thrust factorK1.9
Limiting valuee0.31
Calculation factorY 12.2
Calculation factorY 23.3
Calculation factorY 02.2
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd400 mm
Outside diameterD540 mm
Total bearing width over inner ringsB339.96 mm
Total bearing width over outer ringsT295 mm
Abutment diameter shaftd 1≈ 455 mm
Abutment diameter housingD 1≈ 519 mm
Inner ring radius (chamfer)r 1,2min. 3.3 mm
Chamfer dimension outer ringr 3,4min. 1.15 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQIN
Bore typeCylindrical
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight215.0 kg
eClass code23-05-09-10
Performance2 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating4840.0 kN
Basic static load rating12500.0 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 product796.0 kg CO 2 e
Indicative carbon footprint for remanufactured product264.0 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 BT4-8050/HA1
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search