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TIMKEN / Ts - tapered single

TIMKEN NP401775 / HH228318

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

Technical data available
Bore diameterd
123.825 mm
Outside diameterD
259.975 mm
WidthB
77.787 mm
Dynamic load ratingC
910 kN
Static load ratingC0
1240 kN
Mass≈m
19.55 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
SeriesHH228300
Variant / constructionTS - Tapered Single
Bore diameterd123.825 mm
Outside diameterD259.975 mm
WidthB77.787 mm
Basic dynamic load ratingC910 kN
Basic static load ratingC01240 kN
Mass≈m19.55 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.82
Y1 Factor1.87
Y2 Factor-1.00
Y0 Factor1.03
E Factor0.32
Cg Factor0.1329
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number190029711100121819
World Assembly Part NumberNP401775 / HH228318
Inner Ring Part NumberNP401775
Outer Ring Part NumberHH228318
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 Width83.850 mm
Radial Rating236,000 N
Axial Rating130,000 N
Dynamic Rating C1910,000 N
Dynamic Rating C90236,000 N
Dynamic Axial Rating Ca90130,000 N
Dynamic Axial Rating Ca1501,000 N
Static Radial Rating C01,240,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A1,160,000 N

Technical documents & data sheet

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Record identity
TIMKEN NP401775 / HH228318
Document matching
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