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TIMKEN / Ts - tapered single

TIMKEN NP518503-902A1

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

Technical data available
Bore diameterd
40.483 mm
Outside diameterD
82.55 mm
WidthB
29.37 mm
Dynamic load ratingC
122 kN
Static load ratingC0
130 kN
Mass≈m
0.71 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 specifications11 parameters
Core specifications
ParameterSymbolValue
SeriesHM801300
Variant / constructionTS - Tapered Single
Bore diameterd40.483 mm
Outside diameterD82.55 mm
WidthB29.37 mm
Basic dynamic load ratingC122 kN
Basic static load ratingC0130 kN
Mass≈m0.71 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.07
Y1 Factor1.10
Y2 Factor0.00
Y0 Factor0.60
E Factor0.55
Cg Factor0.0928
Manufacturer Identity8 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190053074
World Assembly Part NumberNP518503_NP016286
Inner Ring Part NumberNP518503
Outer Ring Part NumberNP016286
Drawing NumberA-52943
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.167
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTS - Tapered Single
ConstructionSingle Row Tapered Roller Bearing Assembly | Imperial Series | 1.5938 in Bore | 3.2500 in OD | 1.1563 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width32.575 mm
Radial Rating31,600 N
Axial Rating29,500 N
Dynamic Rating C1122,000 N
Dynamic Rating C9031,600 N
Dynamic Axial Rating Ca9029,500 N
Dynamic Axial Rating Ca1114,000 N
Static Radial Rating C0130,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A207,000 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 NP518503-902A1
Document matching
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