Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Double-row / Sealed 2RS | |
| Bore diameter | d | 20 mm |
| Outside diameter | D | 52 mm |
| Width | B | 22.2 mm |
| Basic dynamic load rating | C | 24.7 kN |
| Basic static load rating | C0 | 12.8 kN |
| Fatigue load limit | Pu | 0.66 kN |
| Limiting speed | nG | 8300 r/min |
| Mass | ≈m | 0.23 kg |
| Sealing | Sealed 2RS |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 020-030-000 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Angular contact ball bearings - Double-row - Sealed 2RS | |
| Official Classification 1 | Angular contact ball bearings / Double-row / Sealed 2RS |
Technical Data15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 20 mm | |
| D | 52 mm | |
| B | 22.2 mm | |
| R(Min.) | 1.1 mm | |
| Basic Load Ratings : Cr | 24.7 kN | |
| Basic Load Ratings : C0R | 12.8 kN | |
| Fatigue Load Limit : Cu | 0.660 kN | |
| Limiting Speeds(Grease Lub.) | 8300 min-1 | |
| Limiting Speeds(Oil Lub.) | 11000 min-1 | |
| Load Center Spread : A | 25.9 mm | |
| Da(Min.) | 27 mm | |
| Da(Max.) | 28.3 mm | |
| Da(Max.) | 45 mm | |
| Ra(Max.) | 1 mm | |
| Mass(Refer.) | 0.230 kg |
