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KOYO / Spherical roller bearings

KOYO 21314RZ

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

Technical data available
Bore diameterd
70 mm
Outside diameterD
150 mm
WidthB
35 mm
Dynamic load ratingC
268 kN
Static load ratingC0
260 kN
Limiting speednG
3300 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 diameterd70 mm
Outside diameterD150 mm
WidthB35 mm
Basic dynamic load ratingC268 kN
Basic static load ratingC0260 kN
Fatigue load limitPu21.6 kN
Limiting speednG3300 r/min
Mass≈m3.19 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
d70 mm
D150 mm
B35 mm
R(Min.)2.1 mm
Basic Load Ratings : Cr268 kN
Basic Load Ratings : C0R260 kN
Fatigue Load Limit : Cu21.6 kN
Limiting Speeds(Grease Lub.)3300 min-1
Limiting Speeds(Oil Lub.)4400 min-1
Constant E0.24
Axial Load Factors : Y12.84
Axial Load Factors : Y24.23
Axial Load Factors : Y02.78
Da(Min.)82 mm
Da(Max.)138 mm
Ra(Max.)2 mm
Mass(Refer.)3.19 kg

Technical documents & data sheet

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Record identity
KOYO 21314RZ
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