640X690X25 HS6 DRadial shaft seal for heavy industrial applications, all-rubber
HS6 seals have a spring-loaded sealing lip and are designed for housings with a cover plate. Their split execution enables installation where there is no access to the end of the shaft. These seals perform exceptionally well in large-size machinery, customized or heavy-duty machinery, and industrial gearboxes. They are designed for industries such as metal, construction, wind energy, forestry, mining, and pulp and paper.
Properties
| Metric/inch series |
Metric
|
| Design name |
HS6
|
| Design type |
Split
|
| Type of outside diameter |
All-rubber
|
| Installation |
Cover plate
|
| Auxiliary lip |
No
|
| SKF Springcover |
No
|
| Sealing lip material |
Carboxylated nitrile rubber (XNBR)
|
| Garter spring material |
Stainless steel
|
| US stock number |
2519476
|
Dimensions
| d1 |
640 mm
|
Shaft diameter |
|---|---|---|
| D |
690 mm
|
Housing diameter |
| B |
25 mm
|
Housing width |
Application and operating conditions
| Operating temperature |
min. -30 °C
|
| Operating temperature |
max. 100 °C
|
| Circumferential speed |
max. 10 m/s
|
| Rotational speed |
max. 806 r/min
|
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