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TIMKEN / Ts - tapered single

TIMKEN NP171956 / NP854167

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

Technical data available
Bore diameterd
85 mm
Outside diameterD
140 mm
WidthB
38.998 mm
Dynamic load ratingC
282 kN
Static load ratingC0
339 kN
Mass≈m
2.29 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
SeriesHM516800
Variant / constructionTS - Tapered Single
Bore diameterd85 mm
Outside diameterD140 mm
WidthB38.998 mm
Basic dynamic load ratingC282 kN
Basic static load ratingC0339 kN
Mass≈m2.29 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.43
Y1 Factor1.47
Y2 Factor-1.00
Y0 Factor0.81
E Factor0.41
Cg Factor0.0929
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100202677100086422
World Assembly Part NumberNP171956 / NP854167
Inner Ring Part NumberNP171956
Outer Ring Part NumberNP854167
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 Width42.300 mm
Radial Rating73,000 N
Axial Rating50,900 N
Dynamic Rating C1282,000 N
Dynamic Rating C9073,000 N
Dynamic Axial Rating Ca9050,900 N
Dynamic Axial Rating Ca1196,000 N
Static Radial Rating C0339,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A403,000 N

Technical documents & data sheet

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Record identity
TIMKEN NP171956 / NP854167
Document matching
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