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 | Combined needle roller bearings / Cylindrical roller thrust series / RAXZ500,NAXR,NAXR.Z | |
| Outside diameter | D | 37 mm |
| Basic dynamic load rating | C | 18.8 kN |
| Basic static load rating | C0 | 29.8 kN |
| Fatigue load limit | Pu | 4.8 kN |
| Limiting speed | nG | 8000 r/min |
| Mass | ≈m | 0.146 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-050-020 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Combined needle roller bearings - Cylindrical roller thrust series - RAXZ500,NAXR,NAXR.Z | |
| Official Classification 1 | Needle roller bearings / Combined needle roller bearings / Cylindrical roller thrust series / RAXZ500,NAXR,NAXR.Z |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fw | 25 mm | |
| D | 37 mm | |
| C | 30 mm | |
| Dw(E7) | 25 mm | |
| Da | 42 mm | |
| C1 | 11 mm | |
| C2 | 9.5 mm | |
| R(Min.) | 0.6 mm | |
| Limiting Speeds(Oil Lub.) | 8000 min-1 | |
| Basic Load Ratings : Cr | 18.8 kN | |
| Basic Load Ratings : C0R | 29.8 kN | |
| Basic Load Ratings Ca | 31.2 kN | |
| Basic Load Ratings C0A | 81.0 kN | |
| Fatigue Load Limit : Cu(Radial) | 4.80 kN | |
| Fatigue Load Limit : Cu(Thrust) | 11.4 kN | |
| Used With Inner Ring No. | JR20x25x20 | |
| Mass(Refer.) | 0.146 kg |
