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 | Combined needle roller bearings / Ball thrust series / NAXK,NAXK.Z | |
| Outside diameter | D | 42 mm |
| Basic dynamic load rating | C | 20.2 kN |
| Basic static load rating | C0 | 34.6 kN |
| Fatigue load limit | Pu | 5.35 kN |
| Limiting speed | nG | 5600 r/min |
| Mass | ≈m | 0.154 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-050-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Combined needle roller bearings - Ball thrust series - NAXK,NAXK.Z | |
| Official Classification 1 | Needle roller bearings / Combined needle roller bearings / Ball thrust series / NAXK,NAXK.Z |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Fw | 30 mm | |
| D | 42 mm | |
| C | 30 mm | |
| Dw(E7) | 30 mm | |
| Da | 48 mm | |
| C1 | 11 mm | |
| C2 | 9.5 mm | |
| R(Min.) | 0.6 mm | |
| Limiting Speeds(Oil Lub.) | 5600 min-1 | |
| Basic Load Ratings : Cr | 20.2 kN | |
| Basic Load Ratings : C0R | 34.6 kN | |
| Basic Load Ratings Ca | 19.5 kN | |
| Basic Load Ratings C0A | 39.9 kN | |
| Fatigue Load Limit : Cu(Radial) | 5.35 kN | |
| Fatigue Load Limit : Cu(Thrust) | 2.15 kN | |
| Used With Inner Ring No. | JR25x30x20 | |
| Mass(Refer.) | 0.154 kg |
