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TIMKEN / Cylindrical 1-row

TIMKEN NU1021MA

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

Technical data available
Bore diameterd
105 mm
Outside diameterD
160 mm
WidthB
26 mm
Dynamic load ratingC
119 kN
Static load ratingC0
149 kN
Mass≈m
1.9 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-569917
Variant / constructionCylindrical 1-Row
Bore diameterd105 mm
Outside diameterD160 mm
WidthB26 mm
Basic dynamic load ratingC119 kN
Basic static load ratingC0149 kN
Mass≈m1.9 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 Factor0.1176
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190048038
World Assembly Part NumberNU1021MA
Inner Ring Part Number105ARUA10
Outer Ring Part Number105ERUA10
Drawing NumberM955149
Upc0013992257444
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 | 4.1339 in Bore | 6.2992 in OD | 1.0236 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 Rating119,000 N
Axial Rating0 N
Dynamic Rating C1119,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C0149,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN NU1021MA
Document matching
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