- Outer casing: elastomer
- Two spring-loaded sealing lips.
- Sealing for the separation of two media
- Small housing
- Two spring loaded sealing lips (one spring loaded dust lip against moderate to medium dust and dirt ingress)
- Reliable sealing of the housing bore, even with increased roughness of the bore, thermal expansion and split housings
Application
- Machine tools
- Power take off gears in agricultural and construction machinery transmissions and axles.
Material
Acrylonitrile-butadiene rubber
Code |
72 NBR 902 |
Hardness |
72 Shore A |
Metal insert |
Unalloyed steel DIN EN 10027-1* |
Spring |
Spring steel DIN EN 10270-1 |
Individual dimensions have 2 metal inserts or 1 metal insert in the matched form.
75 FKM 585 and 75 FKM 595 on enquiry.
Operating conditions
Media |
Mineral oils, greases, synthetic oils* |
T |
-40…+100 ° C short term up to…+120 ° C
|
V |
To 5 m/s |
P |
To 0.05 Mpa /0.5 bar |
It is to be noted that the maximum operating temperature of 80 ° C must not be exceeded.
Maximum permissible values depends on the other operating conditions.
Fitting & installation Shaft
Tolerance |
ISO h11 |
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Runout |
IT 8 |
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Roughness |
Ra=0.2…0.8 mm Rz= 1.0…5.0 mm Rmax =
Not Given
Other Products |