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 | Single-row / Shielded/sealed type / Contact sealed | |
| Bore diameter | d | 12 mm |
| Outside diameter | D | 37 mm |
| Width | B | 12 mm |
| Basic dynamic load rating | C | 12.1 kN |
| Basic static load rating | C0 | 4.2 kN |
| Fatigue load limit | Pu | 0.42 kN |
| Limiting speed | nG | 15000 r/min |
| Mass | ≈m | 0.06 kg |
| Sealing | Contact sealed |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 010-010-020 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Deep groove ball bearings - Single-row - Shielded/sealed type - Contact sealed | |
| Official Classification 1 | Deep groove ball bearings / Single-row / Shielded/sealed type / Contact sealed |
Technical Data14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 12 mm | |
| D | 37 mm | |
| B | 12 mm | |
| R(Min.) | 1 mm | |
| Basic Load Ratings : Cr | 12.1 kN | |
| Basic Load Ratings : C0R | 4.20 kN | |
| Fatigue Load Limit : Cu | 0.420 kN | |
| Factor : F0 | 11.1 | |
| Limiting Speeds(Grease Lub.) | 15000 min-1 | |
| Da(Min.) | 17 mm | |
| Da(Max.) | 17.5 mm | |
| Da(Max.) | 32 mm | |
| Ra(Max.) | 1 mm | |
| Mass(Refer.) | 0.060 kg |


