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TIMKEN / Ts - tapered single

TIMKEN K25877 / K25820

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

Technical data available
Bore diameterd
34.925 mm
Outside diameterD
73.025 mm
WidthB
23.813 mm
Dynamic load ratingC
101 kN
Static load ratingC0
97.4 kN
Mass≈m
0.47 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
Series25800
Variant / constructionTS - Tapered Single
Bore diameterd34.925 mm
Outside diameterD73.025 mm
WidthB23.813 mm
Basic dynamic load ratingC101 kN
Basic static load ratingC097.4 kN
Mass≈m0.47 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor2.01
Y1 Factor2.07
Y2 Factor-1.00
Y0 Factor1.14
E Factor0.29
Cg Factor0.0695
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number190109664190109681
World Assembly Part NumberK25877 / K25820
Inner Ring Part NumberK25877
Outer Ring Part NumberK25820
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 Width26.908 mm
Radial Rating26,200 N
Axial Rating13,000 N
Dynamic Rating C1101,000 N
Dynamic Rating C9026,200 N
Dynamic Axial Rating Ca9013,000 N
Dynamic Axial Rating Ca150,100 N
Static Radial Rating C097,400 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A82,400 N

Technical documents & data sheet

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Record identity
TIMKEN K25877 / K25820
Document matching
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