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KOYO / Adapter assembles

KOYO 23280RHAK+H3280

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

Technical data available
Bore diameterd
400 mm
Outside diameterD
720 mm
WidthB
256 mm
Dynamic load ratingC
7320 kN
Static load ratingC0
10600 kN
Limiting speednG
350 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 specifications8 parameters
Core specifications
ParameterSymbolValue
Variant / constructionAdapter assembles
Bore diameterd400 mm
Outside diameterD720 mm
WidthB256 mm
Basic dynamic load ratingC7320 kN
Basic static load ratingC010600 kN
Limiting speednG350 r/min
Mass≈m512 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key060-020-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathSpherical roller bearings - Adapter assembles
Official Classification 1Spherical roller bearings / Adapter assembles
Technical Data22 parameters
Technical Data
ParameterSymbolValue
D1380 mm
B1328 mm
D2520 mm
B262 mm
B382 mm
d400 mm
D720 mm
B256 mm
R(Min.)6 mm
Basic Load Ratings : Cr7320 kN
Basic Load Ratings : C0R10600 kN
Limiting Speeds(Grease Lub.)350 min-1
Limiting Speeds(Oil Lub.)460 min-1
Constant E0.35
Axial Load Factors : Y11.92
Axial Load Factors : Y22.86
Axial Load Factors : Y01.88
A(Min.)- mm
K(Min.)- mm
Sde(Min.)427 mm
B(Min.)15 mm
Mass(Refer.)512 kg

Technical documents & data sheet

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Record identity
KOYO 23280RHAK+H3280
Document matching
Exact designation, assembly scope, revision and units must agree.

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