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SKF / Cylindrical roller thrust bearings

SKF K 81128 TN

Cylindrical roller and cage thrust assembly technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
140 mm
Outside diameterD
180 mm
Dynamic load ratingC
208 kN
Static load ratingC0
930 kN
Limiting speednG
1800 r/min
Mass≈m
0.402 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 specifications12 parameters
Core specifications
ParameterSymbolValue
Variant / constructionCylindrical roller thrust bearings
Bore diameterd140 mm
Outside diameterD180 mm
HeightH12 mm
Basic dynamic load ratingC208 kN
Basic static load ratingC0930 kN
Fatigue load limitPu85 kN
Reference speednref900 r/min
Limiting speednG1800 r/min
Mass≈m0.402 kg
CageNon-metallic
Bearing materialBearing steel
Dimensions3 parameters
Dimensions
ParameterSymbolValue
Bore diameter140.0 mm
Outside diameter180.0 mm
Height12.0 mm
Product identity5 parameters
Product identity
ParameterSymbolValue
Official product categoryCylindrical roller thrust bearings
Official taxonomy path/products/rolling-bearings/roller-bearings/cylindrical-roller-thrust-bearings
Structure group IDBGS_001_002_003
Available from SKFYes
RemanufacturableNo
Engineering — Associated products3 parameters
Engineering — Associated products
ParameterSymbolValue
Shaft washerWS 81128
Housing washerGS 81128
Universal washerLS 140180
Engineering — Calculation data6 parameters
Engineering — Calculation data
ParameterSymbolValue
Basic dynamic load ratingC208 kN
Basic static load ratingC 0930 kN
Fatigue load limitP u85 kN
Reference speed900 r/min
Limiting speed1800 r/min
Minimum axial load factorA0.07
Engineering — Dimensions5 parameters
Engineering — Dimensions
ParameterSymbolValue
Bore diameterd140 mm
Outside diameterD180 mm
Diameter rollerD w12 mm
Raceway diameter (min.) roller and cage thrust assemblyE a145 mm
Raceway diameter (max.) roller and cage thrust assemblyE b175 mm
Logistics2 parameters
Logistics
ParameterSymbolValue
Product net weight0.402 kg
UNSPSC code31171505
Performance4 parameters
Performance
ParameterSymbolValue
Basic dynamic load rating208.0 kN
Basic static load rating930.0 kN
Reference speed900.0 r/min
Limiting speed1800.0 r/min
Properties8 parameters
Properties
ParameterSymbolValue
Bearing partRoller and cage assembly
Axial load capabilitySingle-direction
Number of rows1
CageNon-metallic
Tolerance classNormal
Material, bearingBearing steel
CoatingWithout
Indicative carbon footprint for new product1.5 kg CO 2 e

Technical documents & data sheet

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Record identity
SKF K 81128 TN
Document matching
Exact designation, assembly scope, revision and units must agree.

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