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KOYO / Spherical roller bearings

KOYO 23960R

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

Technical data available
Bore diameterd
300 mm
Outside diameterD
420 mm
WidthB
90 mm
Dynamic load ratingC
1610 kN
Static load ratingC0
2610 kN
Limiting speednG
680 r/min

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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSpherical roller bearings
Bore diameterd300 mm
Outside diameterD420 mm
WidthB90 mm
Basic dynamic load ratingC1610 kN
Basic static load ratingC02610 kN
Fatigue load limitPu220 kN
Limiting speednG680 r/min
Mass≈m40 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key060-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathSpherical roller bearings - Spherical roller bearings
Official Classification 1Spherical roller bearings
Technical Data17 parameters
Technical Data
ParameterSymbolValue
d300 mm
D420 mm
B90 mm
R(Min.)3 mm
Basic Load Ratings : Cr1610 kN
Basic Load Ratings : C0R2610 kN
Fatigue Load Limit : Cu220 kN
Limiting Speeds(Grease Lub.)680 min-1
Limiting Speeds(Oil Lub.)910 min-1
Constant E0.20
Axial Load Factors : Y13.42
Axial Load Factors : Y25.09
Axial Load Factors : Y03.34
Da(Min.)314 mm
Da(Max.)406 mm
Ra(Max.)2.5 mm
Mass(Refer.)40.0 kg

Technical documents & data sheet

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Record identity
KOYO 23960R
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