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TIMKEN / Cylindrical 1-row

TIMKEN NU20/500EAMAW73W220

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

Technical data available
Bore diameterd
500 mm
Outside diameterD
720 mm
WidthB
128 mm
Dynamic load ratingC
3340 kN
Static load ratingC0
5840 kN
Mass≈m
172.3 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-480430
Variant / constructionCylindrical 1-Row
Bore diameterd500 mm
Outside diameterD720 mm
WidthB128 mm
Basic dynamic load ratingC3340 kN
Basic static load ratingC05840 kN
Mass≈m172.3 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 Factor0.2759
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190044748
World Assembly Part NumberNU20/500EAMAW73W220
Inner Ring Part Number500ARUE20W37W73W50B
Outer Ring Part Number500ERUE20W37W73W45B
Drawing NumberM953769
Upc0013992375001
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.143
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 19.6850 in Bore | 28.3465 in OD | 5.0394 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating3,340,000 N
Axial Rating0 N
Dynamic Rating C13,340,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C05,840,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
TIMKEN NU20/500EAMAW73W220
Document matching
Exact designation, assembly scope, revision and units must agree.

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