Cassette Seals

Cassette Seals

Product description

  • Design: special types, on enquiry
  • Outer casing: elastomer /sheet metal
  • Spring-loaded sealing lip
  • Additional dust lips
  • High resistance to dirt ingress
  • Robust solution.

Product advantages

  • Lengthening of maintenance interval for individual units
  • Shaft must not be hardened or ground
  • Old solution can usually be replaced by Cassette Seal without change to housing
  • The shaft must not be machined on maintenance or seal replacement.


These examples of use provide general information on the primary applications for Cassette Seals and their performance in relation to dirt from the outside. Cassette Seals(types 1, 2 or 3) must be selected taking into account the application conditions(shaft speed, oil temperature, etc.).

  • Agricultural machinery (tractors) - Axles: pinions
  • Construction machinery (road rollers, excavators, fork-lift trucks, mixers)
    - Axles: pinions
    -Power take-off drives
  • Commercial vehicles (lorries, busses, trailers, special vehicles)
    -Axles: hubs
    -Axles: propeller shafts*
    -Axles: pinions.


Acrylonitrile-butadiene rubber

Code NBR 80°
Colour Black

Fluoro elastomer

Code FKM 80°
Colour Red brown
Metal insert SAE1008~1010
Spring SUS

Operating conditions

Materials combination NBR 80° FKM 80°
T <80°C <100°C
v to 7 m/s to 9 m/s
P max. 0,05Mpa/0,5 bar max. 0,05Mpa/0,5 bar

Fitting & installation


Tolerance ISO h8
Runout IT 8
Roughness Rz=10...16μm

Careful fitting according to DIN 3760 is a prerequisite for the correct function of the seal → Technical Manual.
Further information on enquiry.

Range of dimensions for shafts-ΦD1

Cassette Seal type 1 55 ... 133.35mm

Article list

Cassette Seals
55 80 12.5 14 FKM 80°
95 130 16 - FKM 80°