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TIMKEN / Cylindrical 1-row

TIMKEN NU20/710EMAW73W220C3

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

Technical data available
Bore diameterd
710 mm
Outside diameterD
1030 mm
WidthB
185 mm
Dynamic load ratingC
6780 kN
Static load ratingC0
12300 kN
Mass≈m
522.1 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
SeriesEX27572
Variant / constructionCylindrical 1-Row
Bore diameterd710 mm
Outside diameterD1030 mm
WidthB185 mm
Basic dynamic load ratingC6780 kN
Basic static load ratingC012300 kN
Mass≈m522.1 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 Factor0.3670
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190051480
World Assembly Part NumberNU20/710EMAW73W220
Inner Ring Part Number710ARUE20W37W50BW73
Outer Ring Part Number710ERUE20W37W45BW73
Drawing NumberM957179
Upc0013992375759
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.757
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 27.9528 in Bore | 40.5512 in OD | 7.2835 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 Rating6,780,000 N
Axial Rating0 N
Dynamic Rating C16,780,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C012,300,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN NU20/710EMAW73W220C3
Document matching
Exact designation, assembly scope, revision and units must agree.

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