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TIMKEN / Cylindrical 1-row

TIMKEN NJ1064MAC3

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

Technical data available
Bore diameterd
320 mm
Outside diameterD
480 mm
WidthB
74 mm
Dynamic load ratingC
1020 kN
Static load ratingC0
1500 kN
Mass≈m
47.2 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
SeriesEX26210
Variant / constructionCylindrical 1-Row
Bore diameterd320 mm
Outside diameterD480 mm
WidthB74 mm
Basic dynamic load ratingC1020 kN
Basic static load ratingC01500 kN
Mass≈m47.2 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 Factor0.1729
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190032621
World Assembly Part NumberNJ1064MA
Inner Ring Part Number320ARJA10
Outer Ring Part Number320ERUA10
Drawing NumberM946923
Upc0013992356970
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:48.51
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 12.5984 in Bore | 18.8976 in OD | 2.9134 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 Rating1,020,000 N
Axial Rating0 N
Dynamic Rating C11,020,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C01,500,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN NJ1064MAC3
Document matching
Exact designation, assembly scope, revision and units must agree.

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