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TIMKEN / Ts - tapered single

TIMKEN HM252343 / HM252315

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

Technical data available
Bore diameterd
254 mm
Outside diameterD
431.724 mm
WidthB
82.55 mm
Dynamic load ratingC
1500 kN
Static load ratingC0
2020 kN
Mass≈m
43.71 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
SeriesHM252300
Variant / constructionTS - Tapered Single
Bore diameterd254 mm
Outside diameterD431.724 mm
WidthB82.55 mm
Basic dynamic load ratingC1500 kN
Basic static load ratingC02020 kN
Mass≈m43.71 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.76
Y1 Factor1.80
Y2 Factor-1.00
Y0 Factor0.99
E Factor0.33
Cg Factor0.1482
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100078631100182478
World Assembly Part NumberHM252343 / HM252315
Inner Ring Part NumberHM252343
Outer Ring Part NumberHM252315
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 Width85.871 mm
Radial Rating389,000 N
Axial Rating221,000 N
Dynamic Rating C11,500,000 N
Dynamic Rating C90389,000 N
Dynamic Axial Rating Ca90221,000 N
Dynamic Axial Rating Ca1854,000 N
Static Radial Rating C02,020,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A1,960,000 N

Technical documents & data sheet

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Record identity
TIMKEN HM252343 / HM252315
Document matching
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