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KOYO / Single direction / with flat back faces

KOYO 51338

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

Technical data available
Bore diameterd
190 mm
Outside diameterD
320 mm
WidthB
105 mm
Limiting speednG
440 r/min
Mass≈m
36 kg
d
190 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 diameterd190 mm
Outside diameterD320 mm
WidthB105 mm
Fatigue load limitPu55.3 kN
Limiting speednG440 r/min
Mass≈m36 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
d190 mm
D320 mm
T105 mm
R(Min.)4 mm
Basic Load Ratings Ca679 kN
Basic Load Ratings C0A1950 kN
Fatigue Load Limit : Cu55.3 kN
Limiting Speeds(Grease Lub.)440 min-1
Limiting Speeds(Oil Lub.)680 min-1
D1(Max.)315 mm
D1(Min.)195 mm
D2- mm
D3- mm
A- mm
R- mm
C- mm
Da(Min.)266 mm
Da(Max.)244 mm
Ra(Max.)3 mm
Mass(Refer.)36 kg

Technical documents & data sheet

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Record identity
KOYO 51338
Document matching
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