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TIMKEN / Cylindrical 1-row

TIMKEN 300RN92 R3

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

Technical data available
Bore diameterd
300 mm
Outside diameterD
540 mm
WidthB
177.8 mm
Dynamic load ratingC
4130 kN
Static load ratingC0
5870 kN
Mass≈m
179 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-100525
Variant / constructionCylindrical 1-Row
Bore diameterd300 mm
Outside diameterD540 mm
WidthB177.8 mm
Basic dynamic load ratingC4130 kN
Basic static load ratingC05870 kN
Mass≈m179 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 Factor0.2235
Manufacturer Identity9 parameters
Manufacturer Identity
ParameterSymbolValue
BrandTimken
Material Number000000000190071623
World Assembly Part Number300RN92_D1
Inner Ring Part Number300ARNT92
Outer Ring Part Number300ERNT92
Drawing NumberM962043
Upc0087796020481
Official Source SystemCORE BP - DS DF
Official Last Run2026-08-23T20:02:46.74
Product Identity4 parameters
Product Identity
ParameterSymbolValue
Type DescriptionCylindrical 1-Row
ConstructionSingle Row Cylindrical Roller Bearing | Imperial Series | 11.8110 in Bore | 21.2598 in OD | 7.0000 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 Rating4,130,000 N
Axial Rating0 N
Dynamic Rating C14,130,000 N
Dynamic Rating C900 N
Dynamic Axial Rating Ca900 N
Dynamic Axial Rating Ca10 N
Static Radial Rating C05,870,000 N
Extended Dynamic Rating Ce0 N
Static Axial Rating C0A0 N

Technical documents & data sheet

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Record identity
TIMKEN 300RN92 R3
Document matching
Exact designation, assembly scope, revision and units must agree.

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