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 | Clean / EXSEV-EX | |
| Bore diameter | d | 12 mm |
| Outside diameter | D | 28 mm |
| Width | B | 8 mm |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 300-010-040 |
Classification4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Special Environment Bearing - Clean - EXSEV-EX | |
| Official Classification 1 | Special Environment Bearing / Clean / EXSEV-EX | |
| Official Classification 2 | Special Environment Bearing / Vacuum / EXSEV-EX | |
| Official Classification 3 | Special Environment Bearing / High-temperature / EXSEV-EX |
Technical Data11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| d | 12 mm | |
| D | 28 mm | |
| B | 8 mm | |
| r | 0.3 mm | |
| Basic Load Rating: Cr | 4.35 | |
| Basic Load Rating: C0R | 1.9 | |
| Coefficient:F0 | 13.2 | |
| Allowable Rotation Speed | 3,600 min -1 | |
| Temperature | -50～260 °C | |
| Vacuum(Pa) | 10 -5 | |
| Cleanliness(Class) | 100 |
