Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Double-row | |
| Bore diameter | d | 20 mm |
| Outside diameter | D | 52 mm |
| Width | B | 21 mm |
| Basic dynamic load rating | C | 24.3 kN |
| Basic static load rating | C0 | 17 kN |
| Fatigue load limit | Pu | 1.25 kN |
| Limiting speed | nG | 8300 r/min |
| Mass | ≈m | 0.227 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 010-040-000 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Deep groove ball bearings - Double-row | |
| Official Classification 1 | Deep groove ball bearings / Double-row |
Technical Data13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 20 mm | |
| D | 52 mm | |
| B | 21 mm | |
| R(Min.) | 1.1 mm | |
| Basic Load Ratings : Cr | 24.3 kN | |
| Basic Load Ratings : C0R | 17.0 kN | |
| Fatigue Load Limit : Cu | 1.25 kN | |
| Factor : F0 | 13.5 | |
| Limiting Speeds(Grease Lub.) | 8300 min-1 | |
| Limiting Speeds(Oil Lub.) | 11000 min-1 | |
| Da(Max.) | 45.5 mm | |
| Ra(Max.) | 1 mm | |
| Mass(Refer.) | 0.227 kg |


