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TIMKEN / Ts - tapered single

TIMKEN HM88649A / HM88611

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

Technical data available
Bore diameterd
34.925 mm
Outside diameterD
71.973 mm
WidthB
27.001 mm
Dynamic load ratingC
76.8 kN
Static load ratingC0
94.2 kN
Mass≈m
0.51 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
SeriesHM88600
Variant / constructionTS - Tapered Single
Bore diameterd34.925 mm
Outside diameterD71.973 mm
WidthB27.001 mm
Basic dynamic load ratingC76.8 kN
Basic static load ratingC094.2 kN
Mass≈m0.51 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.07
Y1 Factor1.10
Y2 Factor-1.00
Y0 Factor0.60
E Factor0.55
Cg Factor0.0822
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100025258100024844
World Assembly Part NumberHM88649A / HM88611
Inner Ring Part NumberHM88649A
Outer Ring Part NumberHM88611
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 Width27.900 mm
Radial Rating19,900 N
Axial Rating18,600 N
Dynamic Rating C176,800 N
Dynamic Rating C9019,900 N
Dynamic Axial Rating Ca9018,600 N
Dynamic Axial Rating Ca171,800 N
Static Radial Rating C094,200 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A150,000 N

Technical documents & data sheet

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Record identity
TIMKEN HM88649A / HM88611
Document matching
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