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KOYO / Single-row / inch series

KOYO 37425/625

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

Technical data available
Bore diameterd
107.95 mm
Outside diameterD
158.75 mm
WidthB
21.438 mm
Dynamic load ratingC
130 kN
Static load ratingC0
169 kN
Limiting speednG
2200 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 diameterd107.95 mm
Outside diameterD158.75 mm
WidthB21.438 mm
Basic dynamic load ratingC130 kN
Basic static load ratingC0169 kN
Fatigue load limitPu23.9 kN
Limiting speednG2200 r/min
Mass≈m1.377 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
d107.950 mm
D158.750 mm
T23.020 mm
B21.438 mm
C15.875 mm
R(Min.)3.6 mm
R1(Min.)3.2 mm
Basic Load Ratings : Cr130 kN
Basic Load Ratings : C0R169 kN
Fatigue Load Limit : Cu23.9 kN
Limiting Speeds(Grease Lub.)2200 min-1
Limiting Speeds(Oil Lub.)3000 min-1
Load Center Spread : A36.5 mm
Constant :E0.61
Axial Load Factors : Y10.99
Axial Load Factors : Y00.54
Da121.0 mm
Db121.0 mm
Da141.0 mm
Db148.0 mm
Ra(Max.)3.6 mm
Rb(Max.)3.2 mm
Mass(Refer.)1.377 kg

Technical documents & data sheet

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Record identity
KOYO 37425/625
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