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KOYO / Single-row / inch series

KOYO 543/532X

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
107.95 mm
WidthB
36.957 mm
Dynamic load ratingC
172 kN
Static load ratingC0
172 kN
Limiting speednG
3800 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 diameterd40 mm
Outside diameterD107.95 mm
WidthB36.957 mm
Basic dynamic load ratingC172 kN
Basic static load ratingC0172 kN
Fatigue load limitPu26.8 kN
Limiting speednG3800 r/min
Mass≈m1.74 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
d40.000 mm
D107.950 mm
T36.512 mm
B36.957 mm
C28.575 mm
R(Min.)3.6 mm
R1(Min.)3.2 mm
Basic Load Ratings : Cr172 kN
Basic Load Ratings : C0R172 kN
Fatigue Load Limit : Cu26.8 kN
Limiting Speeds(Grease Lub.)3800 min-1
Limiting Speeds(Oil Lub.)5100 min-1
Load Center Spread : A23.9 mm
Constant :E0.30
Axial Load Factors : Y12.03
Axial Load Factors : Y01.11
Da57.0 mm
Db50.0 mm
Da94.0 mm
Db100.0 mm
Ra(Max.)3.6 mm
Rb(Max.)3.2 mm
Mass(Refer.)1.74 kg

Technical documents & data sheet

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Record identity
KOYO 543/532X
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