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TIMKEN / Radial deep-groove ball

TIMKEN 308KDNFS50000

Deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
40 mm
Outside diameterD
90 mm
WidthB
23 mm
Dynamic load ratingC
44.3 kN
Static load ratingC0
26 kN
Mass≈m
0.64 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
Series300
Variant / constructionRadial Deep-Groove Ball
Bore diameterd40 mm
Outside diameterD90 mm
WidthB23 mm
Basic dynamic load ratingC44.3 kN
Basic static load ratingC026 kN
Mass≈m0.64 kg
SealingShielded
CageSteel cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.50
E Factor0.00
Cg Factor0.0397
Manufacturer Identity6 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100152929
World Assembly Part Number308KDN Z6 FS50000
Upc0087796042698
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.74
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionRadial Deep-Groove Ball
ConstructionSingle Row Deep Groove Ball Bearing | Imperial Series | 1.5748 in Bore | 3.5433 in OD | 0.9060 in Width | Single Shielded | Cylindrical Bore | Steel Cage | C3 Clearance | ISO P0 Tolerance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating49,200 N
Axial Rating0 N
Dynamic Rating C144,300 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C026,000 N
Extended Dynamic Rating Ce49,200 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 308KDNFS50000
Document matching
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