500X540X20 HRS12 HPRadial shaft seal for heavy industrial applications, polyurethane
HRS12 seals are high-performance grease seals with a garter spring for housings with a cover plate. Their split execution enables installation where there is no access to the end of the shaft. These machined seals perform exceptionally well when unsed on the main shaft of wind turbines and in other heavy industrial applications that require high wear resistance. They are designed for industries such as metal, construction, wind energy, forestry, mining, and pulp and paper.
Properties
| Metric/inch series |
Metric
|
| Design name |
HRS12
|
| Design type |
Split
|
| Type of outside diameter |
Polyurethane
|
| Installation |
Cover plate
|
| Sealing lip material |
H-ECOPUR
|
| Garter spring material |
Stainless Steel
|
Dimensions
| d1 |
500 mm
|
Shaft diameter |
|---|---|---|
| D |
540 mm
|
Housing diameter |
| B |
20 mm
|
Housing width |
Application and operating conditions
| Operating temperature |
min. -30 °C
|
| Operating temperature |
max. 80 °C
|
| Circumferential speed |
max. 2.5 m/s
|
| Rotational speed |
max. 95 r/min
|
| Pressure differential |
max. 0.05 N/mm²
|
Shaft and housing details
| bc |
min. 15 mm
|
Width of counterface |
|---|---|---|
| C |
max. 10 mm
|
Chamfer length of housing |
| D1 |
max. 524 mm
|
Housing diameter on bearing side |
| D2 |
max. 524 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 |
400 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. 2 mm
|
Total indicated runout |
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