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TIMKEN / Ts - tapered single

TIMKEN 6581X / 6525X

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
90 mm
Outside diameterD
160 mm
WidthB
53.975 mm
Dynamic load ratingC
439 kN
Static load ratingC0
523 kN
Mass≈m
4.49 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Series6500
Variant / constructionTS - Tapered Single
Bore diameterd90 mm
Outside diameterD160 mm
WidthB53.975 mm
Basic dynamic load ratingC439 kN
Basic static load ratingC0523 kN
Mass≈m4.49 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.46
Y1 Factor1.50
Y2 Factor-1.00
Y0 Factor0.82
E Factor0.40
Cg Factor0.1037
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100050093100044499
World Assembly Part Number6581X / 6525X
Inner Ring Part Number6581X
Outer Ring Part Number6525X
Official Source SystemTS_PREPAIR
Official Last Run2026-08-23T00:00:00
Product Identity3 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width56.600 mm
Radial Rating114,000 N
Axial Rating78,100 N
Dynamic Rating C1439,000 N
Dynamic Rating C90114,000 N
Dynamic Axial Rating Ca9078,100 N
Dynamic Axial Rating Ca1301,000 N
Static Radial Rating C0523,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A610,000 N

Technical documents & data sheet

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Record identity
TIMKEN 6581X / 6525X
Document matching
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