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SKF / Cylindrical roller bearings

SKF NUP 238 ECML

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

Technical data available
Bore diameterd
190 mm
Outside diameterD
340 mm
WidthB
55 mm
Dynamic load ratingC
800 kN
Static load ratingC0
965 kN
Limiting speednG
3400 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 / constructionCylindrical roller bearings
Bore diameterd190 mm
Outside diameterD340 mm
WidthB55 mm
Basic dynamic load ratingC800 kN
Basic static load ratingC0965 kN
Fatigue load limitPu98 kN
Reference speednref2000 r/min
Limiting speednG3400 r/min
Mass≈m23.4 kg
Internal clearanceCN
SealingWithout
CageMachined brass
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter190.0 mm
Outside diameter340.0 mm
Width55.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCylindrical roller bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-cylindrical-roller-bearings
Structure group IDBC1_001_101
Available from SKFYes
RemanufacturableYes
Engineering — Abutment dimensions4 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Diameter of spacer sleeved amin. 207 mm
Diameter of shaft abutmentd bmin. 248 mm
Diameter of housing abutmentD amax. 321.9 mm
Radius of filletr amax. 3 mm
Engineering — Calculation data9 parameters
Engineering — Calculation data
ParameterSymbolValue
SKF performance classSKF Explorer
Basic dynamic load ratingC800 kN
Basic static load ratingC 0965 kN
Fatigue load limitP u98 kN
Reference speed2000 r/min
Limiting speed3400 r/min
Minimum load factork r0.23
Limiting valuee0.2
Calculation factorY0.6
Engineering — Dimensions8 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd190 mm
Outside diameterD340 mm
WidthB55 mm
Shoulder diameter of inner ringd 1≈ 244 mm
Shoulder diameter of outer ringD 1≈ 295 mm
Raceway diameter of inner ringF230 mm
Chamfer dimensionr 1,2min. 4 mm
Chamfer dimension of loose flange ringr 3,4min. 4 mm
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight23.4 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance5 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating800.0 kN
Basic static load rating965.0 kN
Reference speed2000.0 r/min
Limiting speed3400.0 r/min
SKF performance classSKF Explorer
Properties18 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Axial displacement capabilityNone
Number of rows1
Locating feature, bearing outer ringWithout
Bore typeCylindrical
CageMachined brass
Number of flanges, outer ring2
Number of flanges, inner ring1
Loose flangeInner ring loose flange
Radial internal clearanceCN
Tolerance classNormal
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Candidate for remanufacturingYes
Indicative carbon footprint for new product86.6 kg CO 2 e
Indicative carbon footprint for remanufactured product28.8 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF NUP 238 ECML
Document matching
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