FKM0 pages

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Cassette Seals | Simmerring Cassette Seal Type 1 (FKM)

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simrif-

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Simmerring Cassette Seal Typ 1

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Product description

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Complete unit consisting of a Simmerring and an integrated

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running surface. Economical system solution with integrated

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labyrinth to protect against extreme soiling.

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The integrated running surface meets the high demands placed

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on dynamic seals.

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Product advantages

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■ Lengthening of maintenance interval for individual units

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■ Shaft must not be hardened or ground

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■ Old solution can usually be replaced by Simmerring Cassette

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Seal without change to housing

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■ The shaft must not be machined on maintenance or seal

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replacement

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Product properties

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■ Design: special types, on enquiry

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■ Outer casing: elastomer/sheet metal

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■ Spring-loaded sealing lip

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■ Additional dust lips

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■ high resistance to dirt ingress

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■ Robust solution

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Application

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These examples of use provide general information on the pri-

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mary applications for Simmerring Cassette Seals and their per-

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formance in relation to dirt from the outside. Simmerring Cassette

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Seals (types 1, 2 or 3) must be selected taking into account the

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application conditions (shaft speed, oil temperature, etc.).

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■ Propeller shafts*, hubs and pinions on axles of commercial

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vehicles (lorries, buses, trailers, special vehicles)

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■ Pinions on axles of construction machinery (road rollers,

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excavators, fork-lift trucks, mixers) and agricultural machinery

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(tractors)

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■ Power take-off drives of construction machinery (road rollers,

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excavators, fork-lift trucks, mixers)

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■ Forage chopper

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* With axial shaft movement, special design necessary

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Material

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Material

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Code

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Colour

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Fluoro elastomer

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| 75 FKM 595

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Red brown

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Components

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Metal insert	Unalloyed steel DIN 1 624 - EN 10139
Spring	Spring steel 1 7223

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Operating conditions

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~ £+100 °c

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I <9 m/s

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<0,05 MPa

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For material definitions, it must be taken into account that it is

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possible that not all extreme conditions will occur simultaneously.

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Fitting & installation

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Shaft

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Tolerance

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Runout

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Roughness

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Housing bore

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Tolerance	ISO H8
Roughness metal outer surface OD	Rz= 10... 16 |jm

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Careful fitting according to DIN 3760 is a prerequisite for the

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correct function of the seal -* Technical Manual.

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Further information on enquiry.

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Range of dimensions for shafts-0 dl

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55,00 ... 133,35 mm

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Simmerring Cassette Seal Typ 1

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Freudenberg Simrit GmbH & Co. KG | Simmerrings and Rotary Seals eCatalog 2009

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