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SKF / Super-precision cylindrical roller bearings

SKF N 1021 KTNHA/HC5SP

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
105 mm
Outside diameterD
160 mm
WidthB
26 mm
Dynamic load ratingC
108 kN
Static load ratingC0
146 kN
Mass≈m
1.52 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 diameterd105 mm
Outside diameterD160 mm
WidthB26 mm
Basic dynamic load ratingC108 kN
Basic static load ratingC0146 kN
Fatigue load limitPu14.6 kN
Mass≈m1.52 kg
Internal clearanceC1
SealingWithout
CageNon-metallic
Bearing materialHybrid (ceramic rollers)
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter105.0 mm
Outside diameter160.0 mm
Width26.0 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. 114 mm
Abutment diameter housingD amin. 148 mm
Abutment diameter housingD amax. 151 mm
Radius of filletr amax. 2 mm
Engineering — Calculation data7 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC108 kN
Basic static load ratingC 0146 kN
Fatigue load limitP u14.6 kN
Attainable speed for grease lubrication10000 r/min
Attainable speed for oil-air lubrication14000 r/min
Reference grease quantityG ref18.2 cm³
Static radial stiffness (guideline value)1490 N/µm
Engineering — Dimensions9 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd105 mm
Outside diameterD160 mm
WidthB26 mm
Shoulder diameter inner ringd 1125.2 mm
Raceway diameter outer ringE146 mm
Chamfer dimensionr 1,2min. 2 mm
Chamfer dimensionr 3,4min. 1.1 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 weight1.52 kg
eClass code23-05-09-01
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating108.0 kN
Basic static load rating146.0 kN
Attainable speed for grease lubrication10000.0 r/min
Attainable speed for oil-air lubrication14000.0 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, bearingHybrid (ceramic rollers)
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product5.6 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF N 1021 KTNHA/HC5SP
Document matching
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