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 | Extra-small, miniature ball bearings / Standard type / Open | |
| Bore diameter | d | 2.5 mm |
| Outside diameter | D | 7 mm |
| Width | B | 2.5 mm |
| Basic dynamic load rating | C | 0.39 kN |
| Basic static load rating | C0 | 0.11 kN |
| Fatigue load limit | Pu | 0.003 kN |
| Limiting speed | nG | 66000 r/min |
| Mass | ≈m | 0 kg |
| Sealing | Open |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 010-020-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Deep groove ball bearings - Extra-small, miniature ball bearings - Standard type - Open | |
| Official Classification 1 | Deep groove ball bearings / Extra-small, miniature ball bearings / Standard type / Open |
Technical Data14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 2.5 mm | |
| D | 7 mm | |
| B | 2.5 mm | |
| R(Min.) | 0.15 mm | |
| Basic Load Ratings : Cr | 0.390 kN | |
| Basic Load Ratings : C0R | 0.11 kN | |
| Fatigue Load Limit : Cu | 0.003 kN | |
| Factor : F0 | 13.7 | |
| Limiting Speeds(Grease Lub.) | 66000 min-1 | |
| Limiting Speeds(Oil Lub.) | 79000 min-1 | |
| Da(Min.) | 3.7 mm | |
| Da(Max.) | 5.8 mm | |
| Ra(Max.) | 0.15 mm | |
| Mass(Refer.) | 0.4 g |
