99,016 bearing records · search, filter and compare

KOYO / Double-row / tdo type

KOYO 46T30309JR/49.5

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

Technical data available
Bore diameterd
45 mm
Outside diameterD
100 mm
WidthB
60 mm
Dynamic load ratingC
242 kN
Static load ratingC0
256 kN
Limiting speednG
3300 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 diameterd45 mm
Outside diameterD100 mm
WidthB60 mm
Basic dynamic load ratingC242 kN
Basic static load ratingC0256 kN
Fatigue load limitPu39.8 kN
Limiting speednG3300 r/min
Mass≈m2.2 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
d45 mm
D100 mm
T60 mm
C49.5 mm
R(Min.)2 mm
R1(Min.)0.6 mm
Basic Load Ratings : Cr242 kN
Basic Load Ratings : C0R256 kN
Fatigue Load Limit : Cu39.8 kN
Limiting Speeds(Grease Lub.)3300 min-1
Limiting Speeds(Oil Lub.)4300 min-1
Constant E0.35
Axial Load Factors : Y21.96
Axial Load Factors : Y32.91
Axial Load Factors : Y01.91
Da(Min.)55 mm
Da(Min.)93 mm
Sa(Min.)5 mm
Ra(Max.)2 mm
Rb(Max.)0.6 mm
Mass(Refer.)2.2 kg

Technical documents & data sheet

This product page is a BearingScope catalogue reference, not a manufacturer-certified drawing. Preserve the full brand and designation when comparing files.

Record identity
KOYO 46T30309JR/49.5
Document matching
Exact designation, assembly scope, revision and units must agree.

No verified redistributable CAD or manufacturer PDF is registered for this exact model. A catalogue image is not a dimensioned drawing. Missing technical files are not generated or replaced with unrelated models.

Look up another model or check drawing requirements →

Search the consolidated catalogue

Find, filter and compare bearing model data in one place.

Open model search