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SKF / Super-precision cylindrical roller bearings

SKF N 1020 KTNHA/SP

Super-precision, high-speed design, single row cylindrical roller bearing technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
100 mm
Outside diameterD
150 mm
WidthB
24 mm
Dynamic load ratingC
85.8 kN
Static load ratingC0
120 kN
Mass≈m
1.31 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 specifications13 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSuper-precision cylindrical roller bearings
Bore diameterd100 mm
Outside diameterD150 mm
WidthB24 mm
Basic dynamic load ratingC85.8 kN
Basic static load ratingC0120 kN
Fatigue load limitPu14.3 kN
Mass≈m1.31 kg
Internal clearanceC1
SealingWithout
CageNon-metallic
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter100.0 mm
Outside diameter150.0 mm
Width24.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySuper-precision cylindrical roller bearings
Official taxonomy path/products/super-precision-bearings/cylindrical-roller-bearings
Structure group IDBC1_010
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions4 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 108 mm
Abutment diameter housingD amin. 139 mm
Abutment diameter housingD amax. 142 mm
Radius of filletr amax. 1.5 mm
Engineering — Calculation data7 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC85.8 kN
Basic static load ratingC 0120 kN
Fatigue load limitP u14.3 kN
Attainable speed for grease lubrication9500 r/min
Attainable speed for oil-air lubrication13000 r/min
Reference grease quantityG ref14.4 cm³
Static radial stiffness (guideline value)1100 N/µm
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd100 mm
Outside diameterD150 mm
WidthB24 mm
Shoulder diameter inner ringd 1119.4 mm
Raceway diameter outer ringE137 mm
Chamfer dimensionr 1,2min. 1.5 mm
Chamfer dimensionr 3,4min. 1 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (all)smax. 3 mm
Permissible axial displacement from the normal position of one bearing ring relative to the other (variants with TNHA cage)s 1max. 1 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Bore typeTapered 1:12
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight1.31 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating85.8 kN
Basic static load rating120.0 kN
Attainable speed for grease lubrication9500.0 r/min
Attainable speed for oil-air lubrication13000.0 r/min
Properties16 parameters
Properties
ParameterSymbolValue
Bearing partComplete bearing
Number of rows1
Bore typeTapered 1:12
CageNon-metallic
DesignHigh-speed
Number of flanges, outer ring0
Number of flanges, inner ring2
Loose flangeNone
Radial internal clearanceC1
Tolerance classClass SP (SP)
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product4.9 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF N 1020 KTNHA/SP
Document matching
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