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TIMKEN / Radial srb

TIMKEN 249/750YMBW33W45AC3

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

Technical data available
Bore diameterd
750 mm
Outside diameterD
1000 mm
WidthB
250 mm
Dynamic load ratingC
7030 kN
Static load ratingC0
17000 kN
Mass≈m
541.89 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
SeriesNSS-630833
Variant / constructionRadial SRB
Bore diameterd750 mm
Outside diameterD1000 mm
WidthB250 mm
Basic dynamic load ratingC7030 kN
Basic static load ratingC017000 kN
Mass≈m541.89 kg
SealingOpen
CageBrass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor3.31
Y2 Factor4.92
Y0 Factor3.23
E Factor0.20
Cg Factor0.1306
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190051901
World Assembly Part Number249/750YMBW33W45A
Inner Ring Part Number750ASDY49
Outer Ring Part Number750ESDC49W33W45
Drawing NumberM957220
Upc0087796370791
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.927
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionRadial SRB
ConstructionSpherical Roller Bearing | Imperial Series | 29.5276 in Bore | 39.3701 in OD | 9.8425 in Width | Open | Cylindrical Bore | Brass Cage | C3 Clearance | Bearing contains application features
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating7,030,000 N
Axial Rating0 N
Dynamic Rating C17,030,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C017,000,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 249/750YMBW33W45AC3
Document matching
Exact designation, assembly scope, revision and units must agree.

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