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TIMKEN / Ts - tapered single

TIMKEN NP491420-902A1

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

Technical data available
Bore diameterd
110 mm
Outside diameterD
180 mm
WidthB
47 mm
Dynamic load ratingC
440 kN
Static load ratingC0
554 kN
Mass≈m
4.55 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 specifications11 parameters
Core specifications
ParameterSymbolValue
SeriesHM522600
Variant / constructionTS - Tapered Single
Bore diameterd110 mm
Outside diameterD180 mm
WidthB47 mm
Basic dynamic load ratingC440 kN
Basic static load ratingC0554 kN
Mass≈m4.55 kg
Precision classABMA Class N
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.44
Y1 Factor1.48
Y2 Factor0.00
Y0 Factor0.81
E Factor0.41
Cg Factor0.1134
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190006989
World Assembly Part NumberNP491420_NP365378
Inner Ring Part NumberNP491420
Outer Ring Part NumberNP365378
Drawing NumberB-127607
Upc0053893455822
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.283
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
ConstructionSingle Row Tapered Roller Bearing Assembly | Imperial Series | 4.3307 in Bore | 7.0866 in OD | 1.8504 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class N
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width52.600 mm
Radial Rating114,000 N
Axial Rating79,200 N
Dynamic Rating C1440,000 N
Dynamic Rating C90114,000 N
Dynamic Axial Rating Ca9079,200 N
Dynamic Axial Rating Ca1306,000 N
Static Radial Rating C0554,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A655,000 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
TIMKEN NP491420-902A1
Document matching
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