19720Radial shaft seal with metal case and three sealing lips, for grease
Radial shaft seals are used between rotating and stationary machine components, or between components in relative motion. X4 seals are designed with a single metal case. They have three sealing lips made of nitrile rubber or thermopolimer which optimizes the sealing against the bore. Typical applications include grease lubricated agriculture machinery.
| Type of outside diameter |
Metal-cased
|
| Lip material |
Nitrile rubber (NBR)
|
| Seal design |
X4
|
Dimensions
| d1 |
50.571 mm
|
Shaft diameter |
|---|---|---|
| D |
73.66 mm
|
Housing bore diameter |
| b |
7.37 mm
|
Seal width |
Application and operating conditions
| Operating temperature |
min. -40 °C
|
| Operating temperature |
max. 100 °C
|
| Circumferential speed |
max. 2.54 m/s
|
| Rotational speed |
max. 959 r/min
|
| Pressure differential |
0.02 N/mm²
|
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