Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Drawn cup needle roller bearings / Metric series, caged | |
| Outside diameter | D | 12 mm |
| Basic dynamic load rating | C | 3.93 kN |
| Basic static load rating | C0 | 4.14 kN |
| Fatigue load limit | Pu | 0.6 kN |
| Limiting speed | nG | 20000 r/min |
| Mass | ≈m | 0.004 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-020-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Drawn cup needle roller bearings - Metric series, caged | |
| Official Classification 1 | Needle roller bearings / Drawn cup needle roller bearings / Metric series, caged |
Technical Data12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fw | 8 mm | |
| D | 12 mm | |
| C | 10 mm | |
| C3(Min.) | 8.40 mm | |
| R(Min.) | 0.40 mm | |
| Basic Load Ratings : Cr | 3.93 kN | |
| Basic Load Ratings : C0R | 4.14 kN | |
| Fatigue Load Limit : Cu | 0.600 kN | |
| Limiting Speeds(Grease Lub.) | 20000 min-1 | |
| Limiting Speeds(Oil Lub.) | 31000 min-1 | |
| Mounting Inner Ring | JR5x8x12 | |
| Mass(Refer.) | 0.004 kg |