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TIMKEN / Cylindrical 1-row

TIMKEN 275RIU808 R3

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

Technical data available
Bore diameterd
698.5 mm
Outside diameterD
1016 mm
WidthB
133.35 mm
Dynamic load ratingC
5200 kN
Static load ratingC0
8340 kN
Mass≈m
388.34 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-452256
Variant / constructionCylindrical 1-Row
Bore diameterd698.5 mm
Outside diameterD1016 mm
WidthB133.35 mm
Basic dynamic load ratingC5200 kN
Basic static load ratingC08340 kN
Mass≈m388.34 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 Factor0.3252
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000100179406
World Assembly Part Number275RIU808
Inner Ring Part Number275ARU808
Outer Ring Part NumberERU808
Drawing NumberM904948
Upc0087796133716
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:47.487
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 27.5000 in Bore | 40.0000 in OD | 5.2500 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 Rating5,200,000 N
Axial Rating0 N
Dynamic Rating C15,200,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C08,340,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 275RIU808 R3
Document matching
Exact designation, assembly scope, revision and units must agree.

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