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TIMKEN / Radial srb

TIMKEN 21306EJW33C4

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

Technical data available
Bore diameterd
30 mm
Outside diameterD
72 mm
WidthB
19 mm
Dynamic load ratingC
70.3 kN
Static load ratingC0
56.5 kN
Mass≈m
0.37 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
SeriesEX27110
Variant / constructionRadial SRB
Bore diameterd30 mm
Outside diameterD72 mm
WidthB19 mm
Basic dynamic load ratingC70.3 kN
Basic static load ratingC056.5 kN
Mass≈m0.37 kg
SealingOpen
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor2.60
Y2 Factor3.87
Y0 Factor2.54
E Factor0.26
Cg Factor0.0402
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190055553
World Assembly Part Number21306EJW33
Inner Ring Part Number30ASDC13
Outer Ring Part Number30ESDC13W33
Drawing NumberM101011
Upc0087796363007
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.403
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionRadial SRB
ConstructionSpherical Roller Bearing | Imperial Series | 1.1811 in Bore | 2.8346 in OD | 0.7480 in Width | Open | Cylindrical Bore | Steel Cage | C4 Clearance | Bearing contains application features
Number Of Rows2
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating70,300 N
Axial Rating0 N
Dynamic Rating C170,300 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C056,500 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 21306EJW33C4
Document matching
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