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Cassette Seals | Simmerring Cassette Seal Type 1 (FKM)
nnnnsimrif-
nnnnSimmerring Cassette Seal Typ 1
nnnnProduct description
nnnnComplete unit consisting of a Simmerring and an integrated
nnnnrunning surface. Economical system solution with integrated
nnnnlabyrinth to protect against extreme soiling.
nnnnThe integrated running surface meets the high demands placed
nnnnon dynamic seals.
nnnnProduct advantages
nnnn■ Lengthening of maintenance interval for individual units
nnnn■ Shaft must not be hardened or ground
nnnn■ Old solution can usually be replaced by Simmerring Cassette
nnnnSeal without change to housing
nnnn■ The shaft must not be machined on maintenance or seal
nnnnreplacement
nnnnProduct properties
nnnn■ Design: special types, on enquiry
nnnn■ Outer casing: elastomer/sheet metal
nnnn■ Spring-loaded sealing lip
nnnn■ Additional dust lips
nnnn■ high resistance to dirt ingress
nnnn■ Robust solution
nnnnApplication
nnnnThese examples of use provide general information on the pri-
nnnnmary applications for Simmerring Cassette Seals and their per-
nnnnformance in relation to dirt from the outside. Simmerring Cassette
nnnnSeals (types 1, 2 or 3) must be selected taking into account the
nnnnapplication conditions (shaft speed, oil temperature, etc.).
nnnn■ Propeller shafts*, hubs and pinions on axles of commercial
nnnnvehicles (lorries, buses, trailers, special vehicles)
nnnn■ Pinions on axles of construction machinery (road rollers,
nnnnexcavators, fork-lift trucks, mixers) and agricultural machinery
nnnn(tractors)
nnnn■ Power take-off drives of construction machinery (road rollers,
nnnnexcavators, fork-lift trucks, mixers)
nnnn■ Forage chopper
nnnn* With axial shaft movement, special design necessary
nnnnMaterial
nnnnMaterial
nnnnCode
nnnnColour
nnnnFluoro elastomer
nnnn| 75 FKM 595
nnnnRed brown
nnnnComponents
nnnnMetal insert | Unalloyed steel DIN 1 624 - EN 10139 |
Spring | Spring steel 1 7223 |
Operating conditions
nnnn~ £+100 °c
nnnnI <9 m/s
nnnn<0,05 MPa
nnnnFor material definitions, it must be taken into account that it is
nnnnpossible that not all extreme conditions will occur simultaneously.
nnnnFitting & installation
nnnnShaft
nnnnTolerance
nnnnRunout
nnnnRoughness
nnnnHousing bore
nnnnTolerance | ISO H8 |
Roughness metal outer surface OD | Rz= 10... 16 |jm |
Careful fitting according to DIN 3760 is a prerequisite for the
nnnncorrect function of the seal -* Technical Manual.
nnnnFurther information on enquiry.
nnnnRange of dimensions for shafts-0 dl
nnnn55,00 ... 133,35 mm
nnnnSimmerring Cassette Seal Typ 1
nnnnFreudenberg Simrit GmbH & Co. KG | Simmerrings and Rotary Seals eCatalog 2009
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