8871Radial shaft seal with double metal case, SKF Wave lip, for oil or grease
Radial shaft seals are used between rotating and stationary machine components, or between components in relative motion. CRWH1 seals are designed with a double metal case, an SKF WAVE lip made of elastomer with a higher pumping rate to reduce heat generation, and a garter spring to optimize sealing against the shaft. Most of the seals feature the SKF Bore Tite coating on the outside diameter that helps fill small imperfections in the housing bore.
| Type of outside diameter |
Metal-cased with sealant coating on the outside diameter
|
| Lip material |
Fluoro rubber (FKM)
|
| Seal design |
CRWH1
|
Dimensions
| d1 |
22.23 mm
|
Shaft diameter |
|---|---|---|
| D |
52.07 mm
|
Housing bore diameter |
| b |
9.53 mm
|
Seal width |
Application and operating conditions
| Operating temperature |
min. -40 °C
|
| Operating temperature |
max. 200 °C
|
| Circumferential speed |
max. 16.1 m/s
|
| Rotational speed |
max. 13 835 r/min
|
| Pressure differential |
0.07 N/mm²
|
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