99,016 bearing records · search, filter and compare

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

KOYO 7910CDB FY

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

Technical data available
Bore diameterd
50 mm
Outside diameterD
72 mm
WidthB
24 mm
Dynamic load ratingC
35.4 kN
Static load ratingC0
31.4 kN
Limiting speednG
11000 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 diameterd50 mm
Outside diameterD72 mm
WidthB24 mm
Basic dynamic load ratingC35.4 kN
Basic static load ratingC031.4 kN
Fatigue load limitPu1.7 kN
Limiting speednG11000 r/min
Mass≈m0.256 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 Data17 parameters
Technical Data
ParameterSymbolValue
d50 mm
D72 mm
B24 mm
R(Min.)0.6 mm
R1(Min.)0.3 mm
Basic Load Ratings : Cr35.4 kN
Basic Load Ratings : C0R31.4 kN
Fatigue Load Limit : Cu1.70 kN
Factor : F016.2
Limiting Speeds(Grease Lub.)11000 min-1
Limiting Speeds(Oil Lub.)15000 min-1
Load Center Spread : A28.3 mm
Da(Min.)54.5 mm
Db(Max.)69.5 mm
Ra(Max.)0.6 mm
Rb(Max.)0.3 mm
Mass(Refer.)0.256 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 7910CDB 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