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TIMKEN / Cylindrical 1-row

TIMKEN 210RN91 R3

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

Technical data available
Bore diameterd
210 mm
Outside diameterD
340 mm
WidthB
95.25 mm
Dynamic load ratingC
1390 kN
Static load ratingC0
2020 kN
Mass≈m
34.14 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-341901
Variant / constructionCylindrical 1-Row
Bore diameterd210 mm
Outside diameterD340 mm
WidthB95.25 mm
Basic dynamic load ratingC1390 kN
Basic static load ratingC02020 kN
Mass≈m34.14 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 Factor0.1580
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100180966
World Assembly Part Number210RN91
Inner Ring Part Number210ARNT91
Outer Ring Part Number210ERNT91
Drawing NumberM901587
Upc0013992207890
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.147
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 8.2677 in Bore | 13.3858 in OD | 3.7500 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | R3 Clearance
Number Of Rows1
Tapered BoreN
Technical Data10 parameters
Technical Data
ParameterSymbolValue
Overall Width0.000 mm
Radial Rating1,390,000 N
Axial Rating0 N
Dynamic Rating C11,390,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C02,020,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 210RN91 R3
Document matching
Exact designation, assembly scope, revision and units must agree.

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