99,016 bearing records · search, filter and compare

KOYO / Single-row / metric series

KOYO 30219JR

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

Technical data available
Bore diameterd
95 mm
Outside diameterD
170 mm
WidthB
32 mm
Dynamic load ratingC
289 kN
Static load ratingC0
299 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 / Metric series
Bore diameterd95 mm
Outside diameterD170 mm
WidthB32 mm
Basic dynamic load ratingC289 kN
Basic static load ratingC0299 kN
Fatigue load limitPu44 kN
Limiting speednG2200 r/min
Mass≈m3.2 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
d95 mm
D170 mm
T34.5 mm
B32 mm
C27 mm
R(Min.)3 mm
R1(Min.)2.5 mm
Basic Load Ratings : Cr289 kN
Basic Load Ratings : C0R299 kN
Fatigue Load Limit : Cu44.0 kN
Limiting Speeds(Grease Lub.)2200 min-1
Limiting Speeds(Oil Lub.)3000 min-1
Load Center Spread : A34.9 mm
Constant E0.42
Axial Load Factors : Y11.43
Axial Load Factors : Y00.79
Da(Min.)149 mm
Db(Max.)110 mm
Da(Max.)158 mm
Db(Min.)159 mm
Sa(Min.)5 mm
Sb(Min.)7.5 mm
Ra(Max.)2.5 mm
Rb(Max.)2 mm
Mass(Refer.)3.20 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 30219JR
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