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SKF / Carb toroidal roller bearings

SKF C 3972 M

Carb toroidal roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
360 mm
Outside diameterD
480 mm
WidthB
90 mm
Dynamic load ratingC
1760 kN
Static load ratingC0
3250 kN
Limiting speednG
1400 r/min

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 specifications14 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCARB toroidal roller bearings
Bore diameterd360 mm
Outside diameterD480 mm
WidthB90 mm
Basic dynamic load ratingC1760 kN
Basic static load ratingC03250 kN
Fatigue load limitPu245 kN
Reference speednref1000 r/min
Limiting speednG1400 r/min
Mass≈m44 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter360.0 mm
Outside diameter480.0 mm
Width90.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCARB toroidal roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/carb-toroidal-roller-bearings
Structure group IDBSC_001
Available from SKFYes
RemanufacturableYes
Engineering — Abutment dimensions6 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of shaft abutmentd amin. 373 mm
Diameter of shaft abutmentd amax. 409 mm
Diameter of housing abutmentD amin. 435 mm
Abutment diameter housingD amax. 467 mm
Minimum width of space required in housingC amin. 1.6 mm
Radius of filletr amax. 2.5 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC1760 kN
Basic static load ratingC 03250 kN
Fatigue load limitP u245 kN
Reference speed1000 r/min
Limiting speed1400 r/min
Misalignment factork 10.13
Internal clearance factork 20.1
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd360 mm
Outside diameterD480 mm
WidthB90 mm
Shoulder diameter of inner ringd 2≈ 394 mm
Shoulder or recess diameter of outer ringD 1≈ 450 mm
Permissible axial displacements 1max. 17.2 mm
Chamfer dimensionr 1,2min. 3 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Bore typeCylindrical
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight44.0 kg
eClass code23-05-09-13
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating1760.0 kN
Basic static load rating3250.0 kN
Reference speed1000.0 r/min
Limiting speed1400.0 r/min
SKF performance classSKF Explorer
Properties12 parameters
Properties
ParameterSymbolValue
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Radial internal clearanceCN
Tolerance classNormal
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product163.0 kg CO 2 e
Indicative carbon footprint for remanufactured product54.1 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 C 3972 M
Document matching
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