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KOYO / Spherical roller bearings

KOYO 22318RZ

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

Technical data available
Bore diameterd
90 mm
Outside diameterD
190 mm
WidthB
64 mm
Dynamic load ratingC
672 kN
Static load ratingC0
662 kN
Limiting speednG
2600 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 diameterd90 mm
Outside diameterD190 mm
WidthB64 mm
Basic dynamic load ratingC672 kN
Basic static load ratingC0662 kN
Fatigue load limitPu50.5 kN
Limiting speednG2600 r/min
Mass≈m8.82 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
d90 mm
D190 mm
B64 mm
R(Min.)3 mm
Basic Load Ratings : Cr672 kN
Basic Load Ratings : C0R662 kN
Fatigue Load Limit : Cu50.5 kN
Limiting Speeds(Grease Lub.)2600 min-1
Limiting Speeds(Oil Lub.)3400 min-1
Constant E0.34
Axial Load Factors : Y12.00
Axial Load Factors : Y22.98
Axial Load Factors : Y01.96
Da(Min.)104 mm
Da(Max.)176 mm
Ra(Max.)2.5 mm
Mass(Refer.)8.82 kg

Technical documents & data sheet

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Record identity
KOYO 22318RZ
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