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TIMKEN / Tdo - tapered double outer

TIMKEN 37425-90020

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

Technical data available
Bore diameterd
107.95 mm
Outside diameterD
158.75 mm
WidthB
53.978 mm
Dynamic load ratingC
238 kN
Static load ratingC0
357 kN
Mass≈m
3.21 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
Series37000
Variant / constructionTDO - Tapered Double Outer
Bore diameterd107.95 mm
Outside diameterD158.75 mm
WidthB53.978 mm
Basic dynamic load ratingC238 kN
Basic static load ratingC0357 kN
Mass≈m3.21 kg
Precision classABMA Class 2
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.96
Y1 Factor1.11
Y2 Factor1.66
Y0 Factor1.09
E Factor0.61
Cg Factor0.1443
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100008135
World Assembly Part Number37425_37626D
Inner Ring Part Number37425
Outer Ring Part Number37626D
Drawing NumberA-11121
Upc0053893274607
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.063
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionTDO - Tapered Double Outer
ConstructionDouble Row Tapered Roller Bearing Assembly | Imperial Series | 4.2500 in Bore | 6.2500 in OD | 2.1251 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating61,600 N
Axial Rating36,700 N
Dynamic Rating C1238,000 N
Dynamic Rating C9061,600 N
Dynamic Axial Rating Ca9036,700 N
Dynamic Axial Rating Ca1142,000 N
Static Radial Rating C0357,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A315,000 N

Technical documents & data sheet

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Record identity
TIMKEN 37425-90020
Document matching
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