99,016 bearing records · search, filter and compare

KOYO / Single-row / metric series

KOYO 33008JR

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

Technical data available
Bore diameterd
40 mm
Outside diameterD
68 mm
WidthB
22 mm
Dynamic load ratingC
75.9 kN
Static load ratingC0
84.6 kN
Limiting speednG
5500 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 diameterd40 mm
Outside diameterD68 mm
WidthB22 mm
Basic dynamic load ratingC75.9 kN
Basic static load ratingC084.6 kN
Fatigue load limitPu12.4 kN
Limiting speednG5500 r/min
Mass≈m0.326 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
d40 mm
D68 mm
T22 mm
B22 mm
C18 mm
R(Min.)1 mm
R1(Min.)1 mm
Basic Load Ratings : Cr75.9 kN
Basic Load Ratings : C0R84.6 kN
Fatigue Load Limit : Cu12.4 kN
Limiting Speeds(Grease Lub.)5500 min-1
Limiting Speeds(Oil Lub.)7400 min-1
Load Center Spread : A14.7 mm
Constant E0.28
Axial Load Factors : Y12.12
Axial Load Factors : Y01.17
Da(Min.)60 mm
Db(Max.)46 mm
Da(Max.)62.5 mm
Db(Min.)65 mm
Sa(Min.)3 mm
Sb(Min.)4 mm
Ra(Max.)1 mm
Rb(Max.)1 mm
Mass(Refer.)0.326 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 33008JR
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