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 | 52 mm |
| Basic dynamic load rating | C | 26.3 kN |
| Basic static load rating | C0 | 55.4 kN |
| Fatigue load limit | Pu | 8.8 kN |
| Limiting speed | nG | 4600 r/min |
| Mass | ≈m | 0.079 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 | 45 mm | |
| D | 52 mm | |
| C | 20 mm | |
| C3(Min.) | 17.3 mm | |
| R(Min.) | 1 mm | |
| Basic Load Ratings : Cr | 26.3 kN | |
| Basic Load Ratings : C0R | 55.4 kN | |
| Fatigue Load Limit : Cu | 8.80 kN | |
| Limiting Speeds(Grease Lub.) | 4600 min-1 | |
| Limiting Speeds(Oil Lub.) | 7000 min-1 | |
| Mounting Inner Ring | JR40x45x20,5 | |
| Mass(Refer.) | 0.079 kg |