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KOYO / Double-row / tdo type

KOYO 46T32211JR-1/48.5

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

Technical data available
Bore diameterd
55 mm
Outside diameterD
100 mm
WidthB
60 mm
Dynamic load ratingC
230 kN
Static load ratingC0
266 kN
Limiting speednG
3100 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 / constructionDouble-row / TDO type
Bore diameterd55 mm
Outside diameterD100 mm
WidthB60 mm
Basic dynamic load ratingC230 kN
Basic static load ratingC0266 kN
Fatigue load limitPu41 kN
Limiting speednG3100 r/min
Mass≈m1.87 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Double-row - TDO type
Official Classification 1Tapered roller bearings / Double-row / TDO type
Technical Data21 parameters
Technical Data
ParameterSymbolValue
d55 mm
D100 mm
T60 mm
C48.5 mm
R(Min.)2 mm
R1(Min.)0.6 mm
Basic Load Ratings : Cr230 kN
Basic Load Ratings : C0R266 kN
Fatigue Load Limit : Cu41.0 kN
Limiting Speeds(Grease Lub.)3100 min-1
Limiting Speeds(Oil Lub.)4100 min-1
Constant E0.4
Axial Load Factors : Y21.67
Axial Load Factors : Y32.48
Axial Load Factors : Y01.63
Da(Min.)65 mm
Da(Min.)95 mm
Sa(Min.)5.5 mm
Ra(Max.)2 mm
Rb(Max.)0.6 mm
Mass(Refer.)1.87 kg

Technical documents & data sheet

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Record identity
KOYO 46T32211JR-1/48.5
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