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KOYO / Single direction / with flat back faces

KOYO 51230

Axial deep groove ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
150 mm
Outside diameterD
215 mm
WidthB
50 mm
Limiting speednG
840 r/min
Mass≈m
5.64 kg
d
150 mm

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 specifications7 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle direction / With flat back faces
Bore diameterd150 mm
Outside diameterD215 mm
WidthB50 mm
Fatigue load limitPu21.8 kN
Limiting speednG840 r/min
Mass≈m5.64 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key070-010-000
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathThrust ball bearings - Single direction - With flat back faces
Official Classification 1Thrust ball bearings / Single direction / With flat back faces
Technical Data20 parameters
Technical Data
ParameterSymbolValue
d150 mm
D215 mm
T50 mm
R(Min.)1.5 mm
Basic Load Ratings Ca266 kN
Basic Load Ratings C0A652 kN
Fatigue Load Limit : Cu21.8 kN
Limiting Speeds(Grease Lub.)840 min-1
Limiting Speeds(Oil Lub.)1300 min-1
D1(Max.)212 mm
D1(Min.)153 mm
D2- mm
D3- mm
A- mm
R- mm
C- mm
Da(Min.)189 mm
Da(Max.)176 mm
Ra(Max.)1.5 mm
Mass(Refer.)5.64 kg

Technical documents & data sheet

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Record identity
KOYO 51230
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