Overall dimensions (mm)
| d | 7 |
| D | 14 |
| B | 3.5 |
| B1 | 5 |
| γ(min) | 0.15 |
| γ1(min) | 0.15 |
Rated speed min-1
Grease lubrication
Z·ZZ
V·VV | 40000 |
| D·DD | 34000 |
| Oil lubrication Z | 45000 |
Bearing number
| Open type | 687 |
| Dust cover type | 687ZZ1 |
Non-contact
Sealed | VV |
| Contact sealed | DD |
Installation size (mm)
| da（min） | 8.2 |
| db(max） | 8.5 |
| da(max） | 12.8 |
| Db(min) | 12.7 |
| γa（max） | 0.15 |
| γb(max） | 0.15 |
Weight (g) (reference)
| Open type | 2.13 |
| Dust cover type | 2.97 |
Description
JAPAN KONKEN SEIKO CO.,LTD Professional sales 687, 687 related information: model 687 inner diameter 7 outer diameter: 14 thickness: 3.5 series: Metric Series Internal Diameter 5-9 mm, want to know more about 687 related information, you can conduct online consultation or call the hotline, we will serve you in detail.
687 wide range, 687 mainly used in construction machinery, machine tools, automobile, metallurgy, mining, mining, oil, machinery, power, railway and other industries, the company sold 687 price is reasonable, look forward to cooperation with you.
