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TIMKEN / Radial srb

TIMKEN 239/950KYMBW33W45AC4

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

Technical data available
Bore diameterd
950 mm
Outside diameterD
1250 mm
WidthB
224 mm
Dynamic load ratingC
8700 kN
Static load ratingC0
20500 kN
Mass≈m
712.9 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 specifications10 parameters
Core specifications
ParameterSymbolValue
SeriesEX28034
Variant / constructionRadial SRB
Bore diameterd950 mm
Outside diameterD1250 mm
WidthB224 mm
Basic dynamic load ratingC8700 kN
Basic static load ratingC020500 kN
Mass≈m712.9 kg
SealingOpen
CageBrass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor4.43
Y2 Factor6.60
Y0 Factor4.33
E Factor0.15
Cg Factor0.1457
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190030660
World Assembly Part Number239/950KYMBW33W45A
Inner Ring Part Number950ASDY39K
Outer Ring Part Number950ESDC39W33W45
Drawing NumberM102409
Upc0087796369375
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.483
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionRadial SRB
ConstructionSpherical Roller Bearing | Imperial Series | 37.4016 in Bore | 49.2126 in OD | 8.8189 in Width | Open | Tapered Bore | Brass Cage | C4 Clearance | Bearing contains application features
Number Of Rows2
Tapered BoreY
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating8,700,000 N
Axial Rating0 N
Dynamic Rating C18,700,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C020,500,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 239/950KYMBW33W45AC4
Document matching
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