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SKF / Tapered roller bearings

SKF BT1B 334140/HA4

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

Technical data available
Bore diameterd
660.4 mm
Outside diameterD
1000 mm
Dynamic load ratingC
4652 kN
Static load ratingC0
9500 kN
Limiting speednG
480 r/min
Mass≈m
407 kg

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 specifications11 parameters
Core specifications
ParameterSymbolValue
Variant / constructionTapered roller bearings
Bore diameterd660.4 mm
Outside diameterD1000 mm
Basic dynamic load ratingC4652 kN
Basic static load ratingC09500 kN
Fatigue load limitPu620 kN
Reference speednref360 r/min
Limiting speednG480 r/min
Mass≈m407 kg
SealingWithout
LubricantNone
Dimensions6 parameters
Dimensions
ParameterSymbolValue
Bore diameter660.4 mm
Outside diameter1000.0 mm
Width, total152.4 mm
Width, inner ring142.24 mm
Width, outer ring113.665 mm
Contact angle15.7 °
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryTapered roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/tapered-roller-bearings/single-row-tapered-roller-bearings
Structure group IDBT1_001_101
Available from SKFYes
RemanufacturableYes
Engineering — Abutment dimensions9 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amax. 750 mm
Diameter of shaft abutmentd bmin. 689.5 mm
Diameter of housing abutmentD amin. 888 mm
Diameter of housing abutmentD amax. 971.5 mm
Diameter of housing abutmentD bmin. 940 mm
Minimum width of space required in housing on large side faceC amin. 12 mm
Minimum width of space required in housing on small side faceC bmin. 38.5 mm
Radius of shaft filletr amax. 6 mm
Radius of housing filletr bmax. 6 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC4652 kN
Basic static load ratingC 09500 kN
Fatigue load limitP u620 kN
Reference speed360 r/min
Limiting speed480 r/min
Limiting valuee0.43
Calculation factorY1.4
Calculation factorY 00.8
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd660.4 mm
Outside diameterD1000 mm
Bearing width, totalT152.4 mm
Shoulder diameter of inner ringd 1≈ 822.6 mm
Width of inner ringB142.24 mm
Width of outer ringC113.665 mm
Chamfer dimension of inner ringr 1,2min. 6.4 mm
Chamfer dimension of outer ringr 3,4min. 6.4 mm
Distance side face to pressure pointa183 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Dimension series3GB
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight407.0 kg
eClass code23-05-09-10
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating4652.0 kN
Basic static load rating9500.0 kN
Reference speed360.0 r/min
Limiting speed480.0 r/min
Properties14 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
Arrangement of contact angle (double-row bearing)Not applicable
Matched arrangementNo
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Unit systemInch
Candidate for remanufacturingYes
Indicative carbon footprint for new product1504.0 kg CO 2 e
Indicative carbon footprint for remanufactured product500.0 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 BT1B 334140/HA4
Document matching
Exact designation, assembly scope, revision and units must agree.

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