99,016 bearing records · search, filter and compare

KOYO / Single-row / metric series

KOYO 30244JR

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

Technical data available
Bore diameterd
220 mm
Outside diameterD
400 mm
WidthB
65 mm
Dynamic load ratingC
1260 kN
Static load ratingC0
1440 kN
Limiting speednG
830 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 diameterd220 mm
Outside diameterD400 mm
WidthB65 mm
Basic dynamic load ratingC1260 kN
Basic static load ratingC01440 kN
Fatigue load limitPu160 kN
Limiting speednG830 r/min
Mass≈m35.9 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
d220 mm
D400 mm
T72 mm
B65 mm
C54 mm
R(Min.)5 mm
R1(Min.)4 mm
Basic Load Ratings : Cr1260 kN
Basic Load Ratings : C0R1440 kN
Fatigue Load Limit : Cu160 kN
Limiting Speeds(Grease Lub.)830 min-1
Limiting Speeds(Oil Lub.)1100 min-1
Load Center Spread : A76.5 mm
Constant E0.44
Axial Load Factors : Y11.43
Axial Load Factors : Y00.79
Da(Min.)344 mm
Db(Max.)263 mm
Da(Max.)382 mm
Db(Min.)371 mm
Sa(Min.)14 mm
Sb(Min.)17 mm
Ra(Max.)4 mm
Rb(Max.)3 mm
Mass(Refer.)35.9 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 30244JR
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