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TIMKEN / Ts - tapered single

TIMKEN NP938901 / NP611161

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

Technical data available
Bore diameterd
45.987 mm
Outside diameterD
74.975 mm
WidthB
18.001 mm
Dynamic load ratingC
67.4 kN
Static load ratingC0
75.4 kN
Mass≈m
0.28 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
SeriesLM503300
Variant / constructionTS - Tapered Single
Bore diameterd45.987 mm
Outside diameterD74.975 mm
WidthB18.001 mm
Basic dynamic load ratingC67.4 kN
Basic static load ratingC075.4 kN
Mass≈m0.28 kg
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.45
Y1 Factor1.49
Y2 Factor-1.00
Y0 Factor0.82
E Factor0.40
Cg Factor0.0789
Manufacturer Identity7 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number100097885100130305
World Assembly Part NumberNP938901 / NP611161
Inner Ring Part NumberNP938901
Outer Ring Part NumberNP611161
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 Width20.300 mm
Radial Rating17,500 N
Axial Rating12,000 N
Dynamic Rating C167,400 N
Dynamic Rating C9017,500 N
Dynamic Axial Rating Ca9012,000 N
Dynamic Axial Rating Ca146,400 N
Static Radial Rating C075,400 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A88,300 N

Technical documents & data sheet

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Record identity
TIMKEN NP938901 / NP611161
Document matching
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