99,016 bearing records · search, filter and compare

KOYO / Matched pair / back-to-back / with machined cage

KOYO 7340BDB FY

Angular contact ball bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
200 mm
Outside diameterD
420 mm
WidthB
160 mm
Dynamic load ratingC
878 kN
Static load ratingC0
1200 kN
Limiting speednG
1000 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 / constructionMatched pair / Back-to-back / With machined cage
Bore diameterd200 mm
Outside diameterD420 mm
WidthB160 mm
Basic dynamic load ratingC878 kN
Basic static load ratingC01200 kN
Fatigue load limitPu35.3 kN
Limiting speednG1000 r/min
Mass≈m104 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key020-020-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathAngular contact ball bearings - Matched pair - Back-to-back - With machined cage
Official Classification 1Angular contact ball bearings / Matched pair / Back-to-back / With machined cage
Technical Data16 parameters
Technical Data
ParameterSymbolValue
d200 mm
D420 mm
B160 mm
R(Min.)5 mm
R1(Min.)2 mm
Basic Load Ratings : Cr878 kN
Basic Load Ratings : C0R1200 kN
Fatigue Load Limit : Cu35.3 kN
Limiting Speeds(Grease Lub.)1000 min-1
Limiting Speeds(Oil Lub.)1300 min-1
Load Center Spread : A340.1 mm
Da(Min.)222 mm
Db(Max.)410 mm
Ra(Max.)4 mm
Rb(Max.)2 mm
Mass(Refer.)104 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 7340BDB FY
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