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 / Shielded ZZ | |
| Bore diameter | d | 7 mm |
| Outside diameter | D | 22 mm |
| Width | B | 7 mm |
| Basic dynamic load rating | C | 4.1 kN |
| Basic static load rating | C0 | 1.35 kN |
| Fatigue load limit | Pu | 0.06 kN |
| Limiting speed | nG | 31000 r/min |
| Mass | ≈m | 0.013 kg |
| Sealing | Shielded ZZ |
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 - Shielded ZZ | |
| Official Classification 1 | Deep groove ball bearings / Extra-small, miniature ball bearings / Standard type / Shielded ZZ |
Technical Data14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 7 mm | |
| D | 22 mm | |
| B | 7 mm | |
| R(Min.) | 0.3 mm | |
| Basic Load Ratings : Cr | 4.10 kN | |
| Basic Load Ratings : C0R | 1.35 kN | |
| Fatigue Load Limit : Cu | 0.060 kN | |
| Factor : F0 | 12.4 | |
| Limiting Speeds(Grease Lub.) | 31000 min-1 | |
| Limiting Speeds(Oil Lub.) | - min-1 | |
| Da(Min.) | 9 mm | |
| Da(Max.) | 20 mm | |
| Ra(Max.) | 0.3 mm | |
| Mass(Refer.) | 13 g |
