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TIMKEN / Ts - tapered single

TIMKEN NP990750-902A2

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

Technical data available
Bore diameterd
82.55 mm
Outside diameterD
115.888 mm
WidthB
20.638 mm
Dynamic load ratingC
107 kN
Static load ratingC0
147 kN
Mass≈m
0.66 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
SeriesL116100
Variant / constructionTS - Tapered Single
Bore diameterd82.55 mm
Outside diameterD115.888 mm
WidthB20.638 mm
Basic dynamic load ratingC107 kN
Basic static load ratingC0147 kN
Mass≈m0.66 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor1.90
Y1 Factor1.95
Y2 Factor0.00
Y0 Factor1.07
E Factor0.31
Cg Factor0.1079
Manufacturer Identity8 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190046706
World Assembly Part NumberNP186575_L116110
Inner Ring Part NumberNP186575
Outer Ring Part NumberL116110
Drawing NumberB-195710
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 | 3.2500 in Bore | 4.5625 in OD | 0.8125 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width23.533 mm
Radial Rating27,700 N
Axial Rating14,600 N
Dynamic Rating C1107,000 N
Dynamic Rating C9027,700 N
Dynamic Axial Rating Ca9014,600 N
Dynamic Axial Rating Ca156,300 N
Static Radial Rating C0147,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A132,000 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 NP990750-902A2
Document matching
Exact designation, assembly scope, revision and units must agree.

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