Combi Seal

Product description

  • Design: special types, on enquiry
  • Combination of an additional seal against dirt from the outside in one housing
  • Spring-loaded sealing lip
  • Additional dust lip
  • Primarily for usage in all applications with high level of soiling, e.g., in axles for off-road vehicles
  • Use perferably instead of the Cassette Seal in case of superimposed rotational and translation movements.

Product advantages

  • Long service life
  • High resistance to dirt ingress due to the optimal positioning of sealing lip and dust lip.
Performance in relation to dirt from the outside
  • High resistance to dirt from the outside. Suitable for protection against dry dirt.

Application

  • Agricultural machinery
  • Drives for agricultural vehicles and in general industry
  • Drives for rotating, sometimes running shafts in dry application areas.

Material

Acrylonitrile-butadiene rubber

Code NBR 80°
Colour Black
Hardness 80 shore A

Fluoro elastomer

Code FKM 80°
Colour Red brown
Hardness 80 shore A
Metal insert SAE1008~1010
Spring SUS
Dirt wiper (TPU)

Operating conditions

Materials combination NBR/TPU
T to +80°C
v to 5 m/s
P max. 0,05Mpa/0,5 bar

Fitting & installation

Shaft

Tolerance ISO h11
Runout IT 8
Roughness Ro=0.2...0.8μm
Rz=1.0...5.0μm
Rmax=≦6.3μm
Hardness 45...60HRC
Finish No load, perferably plunge ground

Housing bore

Tolerance ISO h8
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

Combi Seal 30... 220mm