480X520X20 HFS RRadial shaft seal for heavy industrial applications, rubber fabric-reinforced
HFS seals have a garter spring and are designed for housings with a cover plate. They 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 |
HFS
|
| Design type |
Solid
|
| Type of outside diameter |
Rubber, fabric reinforced
|
| Installation |
Cover plate
|
| Auxiliary lip |
No
|
| Sealing lip material |
Nitrile rubber (NBR)
|
| Garter spring material |
Carbon steel
|
Dimensions
| d1 |
480 mm
|
Shaft diameter |
|---|---|---|
| D |
520 mm
|
Housing diameter |
| B |
20 mm
|
Housing width |
Application and operating conditions
| Operating temperature |
min. -25 °C
|
| Operating temperature |
max. 100 °C
|
| Circumferential speed |
max. 15 m/s
|
| Rotational speed |
max. 596.8 r/min
|
| Pressure differential |
max. 0.05 N/mm²
|
Shaft and housing details
| C |
max. 2 mm
|
Chamfer length of housing |
|---|---|---|
| d2 |
max. 471 mm
|
Lead-in diameter of shaft |
| D1 |
max. 500 mm
|
Housing diameter on bearing side |
| D2 |
max. 488 mm
|
Housing diameter on air side |
| d1 h11 |
0 µm
|
Upper limit deviation of shaft diameter |
|---|---|---|
|
-400 µm
|
Lower limit deviation of shaft diameter | |
| D H10 |
280 µm
|
Upper limit deviation of housing diameter |
|
0 µm
|
Lower limit deviation of housing diameter | |
| B |
100 µm
|
Upper limit deviation of housing width |
|
-100 µm
|
Lower limit deviation of housing width | |
| TIR |
max. 1.5 mm
|
Total indicated runout |
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