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TIMKEN / Ts - tapered single

TIMKEN 2581 / 2523

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

Technical data available
Bore diameterd
33.338 mm
Outside diameterD
69.85 mm
WidthB
23.813 mm
Dynamic load ratingC
83.7 kN
Static load ratingC0
94.4 kN
Mass≈m
0.44 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
Series2500
Variant / constructionTS - Tapered Single
Bore diameterd33.338 mm
Outside diameterD69.85 mm
WidthB23.813 mm
Basic dynamic load ratingC83.7 kN
Basic static load ratingC094.4 kN
Mass≈m0.44 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor2.14
Y1 Factor2.19
Y2 Factor-1.00
Y0 Factor1.21
E Factor0.27
Cg Factor0.0656
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100084893100058850
World Assembly Part Number2581 / 2523
Inner Ring Part Number2581
Outer Ring Part Number2523
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 Width26.857 mm
Radial Rating21,700 N
Axial Rating10,200 N
Dynamic Rating C183,700 N
Dynamic Rating C9021,700 N
Dynamic Axial Rating Ca9010,200 N
Dynamic Axial Rating Ca139,200 N
Static Radial Rating C094,400 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A75,200 N

Technical documents & data sheet

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Record identity
TIMKEN 2581 / 2523
Document matching
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