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SKF / Self-aligning ball bearings

SKF 127 TN9

Self-aligning ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
7 mm
Outside diameterD
22 mm
WidthB
7 mm
Dynamic load ratingC
2.65 kN
Static load ratingC0
0.56 kN
Limiting speednG
40000 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 specifications15 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSelf-aligning ball bearings
Bore diameterd7 mm
Outside diameterD22 mm
WidthB7 mm
Basic dynamic load ratingC2.65 kN
Basic static load ratingC00.56 kN
Fatigue load limitPu0.029 kN
Reference speednref63000 r/min
Limiting speednG40000 r/min
Mass≈m0.0143 kg
Internal clearanceCN
SealingWithout
CageNon-metallic
Bearing materialBearing steel
LubricantNone
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter7.0 mm
Outside diameter22.0 mm
Width7.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categorySelf-aligning ball bearings
Official taxonomy path/products/rolling-bearings/ball-bearings/self-aligning-ball-bearings
Structure group IDBJ1_001
Available from SKFYes
RemanufacturableNo
Engineering — Abutment dimensions3 parameters
Engineering — Abutment dimensions
ParameterSymbolValue
Abutment diameter shaftd amin. 9.4 mm
Abutment diameter housingD amax. 19.6 mm
Fillet radiusr amax. 0.3 mm
Engineering — Calculation data11 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC2.65 kN
Basic static load ratingC 00.56 kN
Fatigue load limitP u0.029 kN
Reference speed63000 r/min
Limiting speed40000 r/min
Permissible angular misalignmentα3 °
Calculation factork r0.04
Limiting valuee0.31
Calculation factorY 02.2
Calculation factorY 12
Calculation factorY 23.1
Engineering — Dimensions6 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd7 mm
Outside diameterD22 mm
WidthB7 mm
Shoulder diameter inner ringd 1≈ 12.709 mm
Shoulder diameter outer ringD 1≈ 17.6 mm
Chamfer dimensionr 1,2min. 0.3 mm
Engineering — Engineering specifications1 parameter
Engineering — Engineering specifications
ParameterSymbolValue
Bore typeCylindrical
Logistics3 parameters
Logistics
ParameterSymbolValue
Product net weight0.0143 kg
eClass code23-05-08-06
UNSPSC code31171532
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating2.65 kN
Basic static load rating0.56 kN
Reference speed63000.0 r/min
Limiting speed40000.0 r/min
Properties13 parameters
Properties
ParameterSymbolValue
Retaining feature, inner ringNone
Locating feature, bearing outer ringWithout
Number of rows2
Bore typeCylindrical
CageNon-metallic
Radial internal clearanceCN
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
SealingWithout
LubricantNone
Relubrication featureWithout
Indicative carbon footprint for new product0.05 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF 127 TN9
Document matching
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