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KOYO / Single direction / with flat back faces

KOYO 51224

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

Technical data available
Bore diameterd
120 mm
Outside diameterD
170 mm
WidthB
39 mm
Limiting speednG
1100 r/min
Mass≈m
2.86 kg
d
120 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 diameterd120 mm
Outside diameterD170 mm
WidthB39 mm
Fatigue load limitPu17.7 kN
Limiting speednG1100 r/min
Mass≈m2.86 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
d120 mm
D170 mm
T39 mm
R(Min.)1.1 mm
Basic Load Ratings Ca192 kN
Basic Load Ratings C0A470 kN
Fatigue Load Limit : Cu17.7 kN
Limiting Speeds(Grease Lub.)1100 min-1
Limiting Speeds(Oil Lub.)1700 min-1
D1(Max.)170 mm
D1(Min.)123 mm
D2- mm
D3- mm
A- mm
R- mm
C- mm
Da(Min.)150 mm
Da(Max.)140 mm
Ra(Max.)1 mm
Mass(Refer.)2.86 kg

Technical documents & data sheet

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Record identity
KOYO 51224
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