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SKF / Tapered roller bearings

SKF BT4B 331351 E/C775

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

Technical data available
Bore diameterd
710 mm
Outside diameterD
900 mm
Dynamic load ratingC
11847 kN
Static load ratingC0
27000 kN
Mass≈m
630 kg
Bore diameter
710.0 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 diameterd710 mm
Outside diameterD900 mm
Basic dynamic load ratingC11847 kN
Basic static load ratingC027000 kN
Fatigue load limitPu1800 kN
Mass≈m630 kg
SealingWithout
CageSheet metal
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter710.0 mm
Outside diameter900.0 mm
Width, total410.0 mm
Width, inner ring410.0 mm
Width, outer ring410.0 mm
Contact angle13.2 °
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 ratingC11847 kN
Basic static load ratingC 027000 kN
Fatigue load limitP u1800 kN
Comparative radial load ratingC F2900 kN
Comparative axial load ratingC Fa500 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 diameterd710 mm
Outside diameterD900 mm
Total bearing width over inner ringsB410 mm
Total bearing width over outer ringsT410 mm
Abutment diameter shaftd 1≈ 752 mm
Abutment diameter housingD 1≈ 845 mm
Chamfer dimension inner ringr 1,2min. 3 mm
Outer ring radius (chamfer)r 3,4min. 6 mm
Engineering — Engineering specifications2 parameters
Engineering — Engineering specifications
ParameterSymbolValue
Design variant/featureTQON/GW
Bore typeCylindrical with helical groove
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight630.0 kg
eClass code23-05-09-10
Performance3 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating11847.0 kN
Basic static load rating27000.0 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 product2331.0 kg CO 2 e
Indicative carbon footprint for remanufactured product775.0 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 331351 E/C775
Document matching
Exact designation, assembly scope, revision and units must agree.

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