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KOYO / Spherical roller bearings

KOYO 23288RHA

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

Technical data available
Bore diameterd
440 mm
Outside diameterD
790 mm
WidthB
280 mm
Dynamic load ratingC
8670 kN
Static load ratingC0
12700 kN
Limiting speednG
300 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 diameterd440 mm
Outside diameterD790 mm
WidthB280 mm
Basic dynamic load ratingC8670 kN
Basic static load ratingC012700 kN
Fatigue load limitPu776 kN
Limiting speednG300 r/min
Mass≈m580 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
d440 mm
D790 mm
B280 mm
R(Min.)7.5 mm
Basic Load Ratings : Cr8670 kN
Basic Load Ratings : C0R12700 kN
Fatigue Load Limit : Cu776 kN
Limiting Speeds(Grease Lub.)300 min-1
Limiting Speeds(Oil Lub.)390 min-1
Constant E0.35
Axial Load Factors : Y11.93
Axial Load Factors : Y22.88
Axial Load Factors : Y01.89
Da(Min.)476 mm
Da(Max.)754 mm
Ra(Max.)6 mm
Mass(Refer.)580 kg

Technical documents & data sheet

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Record identity
KOYO 23288RHA
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