Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Vacuum / EXSEV-WS | |
| Bore diameter | d | 25 mm |
| Outside diameter | D | 47 mm |
| Width | B | 12 mm |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 300-020-121 |
Classification4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Special Environment Bearing - Vacuum - EXSEV-WS | |
| Official Classification 1 | Special Environment Bearing / Vacuum / EXSEV-WS | |
| Official Classification 2 | Special Environment Bearing / High-temperature / Clean Pro Bearing-RB | |
| Official Classification 3 | Special Environment Bearing / High-temperature / EXSEV-WS |
Technical Data11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 25 mm | |
| D | 47 mm | |
| B | 12 mm | |
| r | 0.6 mm | |
| Basic Load Rating: Cr | 8.55 | |
| Basic Load Rating: C0R | 4.65 | |
| Coefficient:F0 | 14.5 | |
| Allowable Radial Load | 505 N | |
| Allowable Rotation Speed | 200 min -1 | |
| Temperature | -100～350 °C | |
| Vacuum(Pa) | 10 -5 |
