Overall dimensions (mm)
| d | 4 |
| D | 9 |
| B | 2.5 |
| B1 | 4 |
| γ(min) | (0.15) |
| γ1(min) | (0.15) |
Rated speed min-1
Grease lubrication
ZZ | 53000 |
Oil lubrication
Z | 63000 |
Bearing number
| Open type | 684A |
| Dust cover type | 684AZZ |
| Sealed | — |
| Sealed | — |
Installation size (mm)
| da（min） | 4.8 |
| db(max） | 5.2 |
| da(max） | 8.2 |
| Db(min) | 8.1 |
| γa（max） | 0.1 |
| γb(max） | 0.1 |
Weight (g) (reference)
| Open type | 0.63 |
| Dust cover type | 1.01 |
Description
JAPAN KONKEN SEIKO CO.,LTD Professional sales 684A, 684A related information: model 684A inner diameter 4 outer diameter: 9 thickness: 2.5 series: Metric Series Internal Diameter 1-4 mm, want to know more about 684A related information, you can conduct online consultation or call the hotline, we will serve you in detail.
684A wide range, 684A mainly used in construction machinery, machine tools, automobile, metallurgy, mining, mining, oil, machinery, power, railway and other industries, the company sold 684A price is reasonable, look forward to cooperation with you.
