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TIMKEN / Cylindrical 1-row

TIMKEN N321EMBC3

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
225 mm
WidthB
49 mm
Dynamic load ratingC
490 kN
Static load ratingC0
499 kN
Mass≈m
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
SeriesNCS-151386
Variant / constructionCylindrical 1-Row
Bore diameterd105 mm
Outside diameterD225 mm
WidthB49 mm
Basic dynamic load ratingC490 kN
Basic static load ratingC0499 kN
Mass≈m9 kg
SealingOpen
CageWindow Brass cage
Calculation Factors6 parameters
Calculation Factors
ParameterSymbolValue
K Factor0.00
Y1 Factor0.00
Y2 Factor0.00
Y0 Factor0.00
E Factor0.00
Cg Factor0.1068
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190114846
World Assembly Part NumberN321EMB
Inner Ring Part Number105ARNE03
Outer Ring Part Number105ERNE03
Drawing NumberM970073
Upc0087796448421
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.4
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 4.1339 in Bore | 8.8583 in OD | 1.9291 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C3 Clearance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating490,000 N
Axial Rating0 N
Dynamic Rating C1490,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C0499,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN N321EMBC3
Document matching
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