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KOYO / Single-row / inch series

KOYO 529X/522

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

Technical data available
Bore diameterd
50.8 mm
Outside diameterD
101.6 mm
WidthB
36.068 mm
Dynamic load ratingC
164 kN
Static load ratingC0
159 kN
Limiting speednG
4000 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 specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Inch series
Bore diameterd50.8 mm
Outside diameterD101.6 mm
WidthB36.068 mm
Basic dynamic load ratingC164 kN
Basic static load ratingC0159 kN
Fatigue load limitPu24.8 kN
Limiting speednG4000 r/min
Mass≈m1.213 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-020
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Inch series
Official Classification 1Tapered roller bearings / Single-row / Inch series
Technical Data23 parameters
Technical Data
ParameterSymbolValue
d50.800 mm
D101.600 mm
T34.925 mm
B36.068 mm
C26.988 mm
R(Min.)3.6 mm
R1(Min.)3.2 mm
Basic Load Ratings : Cr164 kN
Basic Load Ratings : C0R159 kN
Fatigue Load Limit : Cu24.8 kN
Limiting Speeds(Grease Lub.)4000 min-1
Limiting Speeds(Oil Lub.)5300 min-1
Load Center Spread : A22.2 mm
Constant :E0.29
Axial Load Factors : Y12.10
Axial Load Factors : Y01.16
Da65.0 mm
Db58.0 mm
Da89.0 mm
Db95.0 mm
Ra(Max.)3.6 mm
Rb(Max.)3.2 mm
Mass(Refer.)1.213 kg

Technical documents & data sheet

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Record identity
KOYO 529X/522
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