TRK and Stefa type CD
The Trelleborg Sealing Solutions Type TRK are specially designed radial oil seals reinforced with a metal insert but without a spring energized sealing lip and a wavy rubber covered outer diameter. STEFA CD type are available with flat rubber covered outer diameters. These types are not recommended for use in heavily polluted environments.
Speed (max):
10 m/s
Pressure (max):
0 Mpa
Temperature:
-40 °C to 200 °C
Size Range:
4 mm to 70 mm
Material Information for the product(s) on this page
4V012
Colour:
Brown
Basic Material:
FKM/metal
Commercial Description:
This is an FKM elastomer bonded to a metal case. FKM is often used in high-temperature applications, but usually there is a trade-off in performance at very low temperatures.
4N011
Colour:
Black
Basic Material:
NBR/metal
Commercial Description:
A standard choice for radial oil seals, this is an NBR elastomer bonded to a carbon steel case. This combination is a good balance of economical performance for applications with relatively mild temperatures.