Datasheet

© Freudenberg Simrit GmbH & Co. KG | Technical Manual 2007596
Products I ISC O-Rings and Static Seals
Application
Sealing cover for the static sealing of boreholes in housings with press fitting e.g. shaft pass through walls in
gearbox housings.
Material
Acrylonitrile-butadiene rubber
Designation
75 NBR 99004
Colour
Black
Hardness
approx. 75 Shore A
Metal insert
unalloyed steel DIN EN 10139 (DIN 1624)
Sealing covers made of other materials and in other dimensions available on enquiry.
Operating conditions
Media
All common mineral oils
Temperature
–40 … +100 °C
Fitting & installation
Design of locating bore
Tolerance
ISO H8
Roughness type GA
R
max
<= 25 µmr
R
a
= 1,6 … 6,3 µmr
R
z
= 10 … 25 µm
Roughness type GSA
R
max
<= 16 µm
R
a
= 0,8 … 3,2 µm
R
z
= 6,3 … 16 µm