Additional information
| Weight | 0.034 kg |
|---|
12438 (CR12438CRWA5V)
Radial shaft seal with metal case and SKF Wave lip, and auxiliary, contacting lip, for oil or grease
A radial shaft seal, also known as a lip seal, rotary shaft seal, or oil seal, is a type of mechanical seal used to prevent the leakage of lubricants or other fluids in rotating machinery.
CRWA5 seals feature a metal case, an SKF WAVE lip constructed from elastomeric material designed for enhanced pumping efficiency to minimize heat generation, and a garter spring to optimize the sealing performance against the shaft. Additional dust lip helps to improve contamination exclusion.
- For oil or grease
- With garter spring
- WAVE lip creates higher pumping rate
- WAVE lip has less friction between shaft and lip
- WAVE lip has a lower temperature at the contact point
| Type of outside diameter | Metal-cased with sealant coating on the outside diameter |
| Lip material | Fluoro rubber (FKM) |
| Seal design | CRWA5 |
Dimensions
| Inch | mm | |
| Shaft, d1 | 1.250 | 31.75 |
| Bore, D | 1.997 | 50.77 |
| Width, b | 0.438 | 11.13 |
Application and operating conditions
| Operating temperature (min.) | -40 °C |
| Operating temperature (max.) | 100 °C |
| Circumferential speed (max.) | 6 m/s |
| Rotational speed (max.) | 3609 r/min |
| Pressure differential | 0.35 N/mm² |
| Fast repair of worn shaft | 99128 (click to view) |
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