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KOYO / Single direction / with flat back faces

KOYO 53248U

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

Technical data available
Bore diameterd
240 mm
Outside diameterD
340 mm
WidthB
92 mm
Limiting speednG
520 r/min
Mass≈m
25.6 kg
d
240 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 diameterd240 mm
Outside diameterD340 mm
WidthB92 mm
Fatigue load limitPu47.8 kN
Limiting speednG520 r/min
Mass≈m25.6 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
d240 mm
D340 mm
T92 mm
R(Min.)2.1 mm
Basic Load Ratings Ca553 kN
Basic Load Ratings C0A1800 kN
Fatigue Load Limit : Cu47.8 kN
Limiting Speeds(Grease Lub.)520 min-1
Limiting Speeds(Oil Lub.)800 min-1
D1(Max.)335 mm
D1(Min.)244 mm
D2290 mm
D3350 mm
A- mm
R- mm
C30 mm
Da(Min.)299 mm
Da(Max.)281 mm
Ra(Max.)2 mm
Mass(Refer.)25.6 kg

Technical documents & data sheet

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Record identity
KOYO 53248U
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