750X814X25 HSS7 RRadial shaft seal for heavy industrial applications, all-rubber
HSS7 seals are designed for housings a with cover plate. They use a robust design with a reinforced hard rubber seal body, and a spring-loaded sealing lip with a control wire and an SKF Springcover. Their split execution enables installation where there is no access to the end of the shaft. These seals perform exceptionally well in very large-size machinery, and customized or heavy-duty machinery. They are designed for the mining industry.
Properties
| Metric/inch series |
Metric
|
| Design name |
HSS7
|
| Design type |
Split
|
| Type of outside diameter |
All-rubber, reinforced
|
| Installation |
Cover plate
|
| Auxiliary lip |
No
|
| SKF Springcover |
Yes
|
| Sealing lip material |
Nitrile rubber (NBR)
|
| Garter spring material |
Stainless steel
|
| US stock number |
2952797
|
Dimensions
| d1 |
750 mm
|
Shaft diameter |
|---|---|---|
| D |
814 mm
|
Housing diameter |
| B |
25 mm
|
Housing width |
| b |
25 mm
|
Seal width |
Application and operating conditions
| Operating temperature |
min. -35 °C
|
| Operating temperature |
max. 100 °C
|
| Circumferential speed |
max. 7.5 m/s
|
| Rotational speed |
max. 191 r/min
|
| Pressure differential |
max. 0 N/mm²
|
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