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SKF / Tapered roller bearings

SKF BT4B 331625 E/C800

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

Technical data available
Bore diameterd
603.25 mm
Outside diameterD
857.25 mm
Dynamic load ratingC
18300 kN
Static load ratingC0
40500 kN
Mass≈m
1182 kg
Bore diameter
603.25 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 diameterd603.25 mm
Outside diameterD857.25 mm
Basic dynamic load ratingC18300 kN
Basic static load ratingC040500 kN
Fatigue load limitPu2700 kN
Mass≈m1182 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter603.25 mm
Outside diameter857.25 mm
Width, total622.3 mm
Width, inner ring622.3 mm
Width, outer ring622.3 mm
Contact angle12.5 °
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 data11 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC18300 kN
Basic static load ratingC 040500 kN
Fatigue load limitP u2700 kN
Comparative radial load ratingC F4550 kN
Comparative axial load ratingC Fa733 kN
Thrust factorK1.8
Limiting valuee0.33
Calculation factorY 12
Calculation factorY 23
Calculation factorY 02
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd603.25 mm
Outside diameterD857.25 mm
Total bearing width over inner ringsB622.3 mm
Total bearing width over outer ringsT622.3 mm
Abutment diameter shaftd 1≈ 656 mm
Abutment diameter housingD 1≈ 760 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 weight1182.0 kg
eClass code23-05-09-10
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating18300.0 kN
Basic static load rating40500.0 kN
SKF performance classSKF Explorer
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 product4375.0 kg CO 2 e
Indicative carbon footprint for remanufactured product1454.0 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 331625 E/C800
Document matching
Exact designation, assembly scope, revision and units must agree.

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