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SKF / Carb toroidal roller bearings

SKF C 4168 K30MB/C3

Carb toroidal roller bearing with tapered bore (1:30) technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
340 mm
Outside diameterD
580 mm
WidthB
243 mm
Dynamic load ratingC
5600 kN
Static load ratingC0
9150 kN
Limiting speednG
900 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 diameterd340 mm
Outside diameterD580 mm
WidthB243 mm
Basic dynamic load ratingC5600 kN
Basic static load ratingC09150 kN
Fatigue load limitPu680 kN
Reference speednref670 r/min
Limiting speednG900 r/min
Mass≈m271 kg
Internal clearanceC3
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter340.0 mm
Outside diameter580.0 mm
Width243.0 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. 360 mm
Diameter of shaft abutmentd amax. 402 mm
Diameter of housing abutmentD amin. 487 mm
Abutment diameter housingD amax. 560 mm
Minimum width of space required in housingC amin. 10.7 mm
Radius of filletr amax. 4 mm
Engineering — Calculation data8 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC5600 kN
Basic static load ratingC 09150 kN
Fatigue load limitP u680 kN
Reference speed670 r/min
Limiting speed900 r/min
Misalignment factork 10
Internal clearance factork 20.1
Engineering — Dimensions7 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd340 mm
Outside diameterD580 mm
WidthB243 mm
Shoulder diameter of inner ringd 2≈ 403 mm
Shoulder or recess diameter of outer ringD 1≈ 514 mm
Permissible axial displacements 1max. 20.2 mm
Chamfer dimensionr 1,2min. 5 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Bore typeTapered 1:30
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight271.0 kg
eClass code23-05-09-13
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating5600.0 kN
Basic static load rating9150.0 kN
Reference speed670.0 r/min
Limiting speed900.0 r/min
SKF performance classSKF Explorer
Properties12 parameters
Properties
ParameterSymbolValue
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeTapered 1:30
CageMachined brass
Radial internal clearanceC3
Tolerance classNormal
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product1003.0 kg CO 2 e
Indicative carbon footprint for remanufactured product333.0 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF C 4168 K30MB/C3
Document matching
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