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TIMKEN / Ts - tapered single

TIMKEN HM803145 / HM803112

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

Technical data available
Bore diameterd
41.275 mm
Outside diameterD
92.075 mm
WidthB
30.162 mm
Dynamic load ratingC
114 kN
Static load ratingC0
144 kN
Mass≈m
0.97 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
SeriesHM803100
Variant / constructionTS - Tapered Single
Bore diameterd41.275 mm
Outside diameterD92.075 mm
WidthB30.162 mm
Basic dynamic load ratingC114 kN
Basic static load ratingC0144 kN
Mass≈m0.97 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.07
Y1 Factor1.10
Y2 Factor-1.00
Y0 Factor0.60
E Factor0.55
Cg Factor0.0974
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100099963100099425
World Assembly Part NumberHM803145 / HM803112
Inner Ring Part NumberHM803145
Outer Ring Part NumberHM803112
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 Width32.170 mm
Radial Rating29,500 N
Axial Rating27,600 N
Dynamic Rating C1114,000 N
Dynamic Rating C9029,500 N
Dynamic Axial Rating Ca9027,600 N
Dynamic Axial Rating Ca1106,000 N
Static Radial Rating C0144,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A229,000 N

Technical documents & data sheet

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Record identity
TIMKEN HM803145 / HM803112
Document matching
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