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KOYO / Single-row / metric series

KOYO 32907JR-2

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

Technical data available
Bore diameterd
35 mm
Outside diameterD
55 mm
WidthB
14 mm
Dynamic load ratingC
32.8 kN
Static load ratingC0
36.5 kN
Limiting speednG
6600 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 / Metric series
Bore diameterd35 mm
Outside diameterD55 mm
WidthB14 mm
Basic dynamic load ratingC32.8 kN
Basic static load ratingC036.5 kN
Fatigue load limitPu5.1 kN
Limiting speednG6600 r/min
Mass≈m0.12 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Metric series
Official Classification 1Tapered roller bearings / Single-row / Metric series
Technical Data25 parameters
Technical Data
ParameterSymbolValue
d35 mm
D55 mm
T14 mm
B14 mm
C11.5 mm
R(Min.)0.6 mm
R1(Min.)0.6 mm
Basic Load Ratings : Cr32.8 kN
Basic Load Ratings : C0R36.5 kN
Fatigue Load Limit : Cu5.10 kN
Limiting Speeds(Grease Lub.)6600 min-1
Limiting Speeds(Oil Lub.)8800 min-1
Load Center Spread : A10.9 mm
Constant E0.29
Axial Load Factors : Y12.06
Axial Load Factors : Y01.13
Da(Min.)49 mm
Db(Max.)40 mm
Da(Max.)50.5 mm
Db(Min.)52 mm
Sa(Min.)2.5 mm
Sb(Min.)2.5 mm
Ra(Max.)0.6 mm
Rb(Max.)0.6 mm
Mass(Refer.)0.120 kg

Technical documents & data sheet

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Record identity
KOYO 32907JR-2
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