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Acorn Industrial Services Ltd
Authorised distributors for over 40 manufacturers
Cassette Seals | Simmerring Cassette Seal Type 1 (FKM)
Simmerring Cassette Seal Typ 1
© Freudenberg Simrit GmbH & Co. KG | Simmerrings and Rotary Seals eCatalog 2009 1
Product description
Product advantages
Lengthening of maintenance interval for individual units ■
Shaft must not be hardened or ground ■
Old solution can usually be replaced by Simmerring Cassette ■
Seal without change to housingThe shaft must not be machined on maintenance or seal ■
replacement
Product properties
Design: special types, on enquiry ■
Outer casing: elastomer/sheet metal ■
Spring-loaded sealing lip ■
Additional dust lips ■
high resistance to dirt ingress ■
Robust solution ■
Propeller shafts*, hubs and pinions on axles of commercial ■
vehicles (lorries, buses, trailers, special vehicles)Pinions on axles of construction machinery (road rollers, ■
excavators, fork-lift trucks, mixers) and agricultural machinery (tractors)
Application
These examples of use provide general information on the pri-mary applications for Simmerring Cassette Seals and their per-formance in relation to dirt from the outside. Simmerring Cassette Seals (types 1, 2 or 3) must be selected taking into account the application conditions (shaft speed, oil temperature, etc.).
* With axial shaft movement, special design necessary.
Material
Material Fluoro elastomer
Code 75 FKM 595
Colour Red brown
ComponentsMetal insert Unalloyed steel DIN 1624 – EN10139
Spring Spring steel 17223
Operating conditions
T ≤ +100 °C
v ≤9 m/s
p ≤0,05 MPa
For material definitions, it must be taken into account that it is possible that not all extreme conditions will occur simultaneously.
Fitting & installation
ShaftTolerance ISO h8
Runout IT 8
Roughness Rz = 10 … 16 µm
Housing bore
Careful fitting according to DIN 3760 is a prerequisite for the correct function of the seal ➔ Technical Manual. Further information on enquiry.
Tolerance ISO H8
Roughness metal outer surface OD Rz = 10 … 16 µm
Range of dimensions for shafts-Ø d1Simmerring Cassette Seal Typ 1 55,00 … 133,35 mm
Complete unit consisting of a Simmerring and an integrated running surface. Economical system solution with integrated labyrinth to protect against extreme soiling. The integrated running surface meets the high demands placed on dynamic seals.
Power take-off drives of construction machinery (road rollers, ■
excavators, fork-lift trucks, mixers)Forage chopper ■
Cassette Seals | Simmerring Cassette Seal Type 2 (FKM)
Simmerring Cassette Seal Typ 2
© Freudenberg Simrit GmbH & Co. KG | Simmerrings and Rotary Seals eCatalog 2009 1
Product description
Product advantages
Lengthening of maintenance interval for individual units ■
Shaft must not be hardened or ground ■
Old solution can usually be replaced by Simmerring Cassette ■
Seal without change to housingThe shaft must not be machined on maintenance or seal ■
replacement
Combine harvesters ■
Tedders ■
Sewing machinery ■
Pricking out machinery ■
Threshing machinery ■
Agricultural machinery ■
Application
These examples of use provide general information on the pri-mary applications for Simmerring Cassette Seals and their per-formance in relation to dirt from the outside. Simmerring Cassette Seals (types 1, 2 or 3) must be selected taking into account the application conditions (shaft speed, oil temperature, etc.).
Material
Material Fluoro elastomer
Code 75 FKM 595
Colour Red brown
ComponentsMetal insert Unalloyed steel DIN 1624 – EN10139
Spring Spring steel 17223
Operating conditions
T ≤ +100 °C
v ≤7 m/s
p ≤0,05 MPa
For material definitions, it must be taken into account that it is possible that not all extreme conditions will occur simultaneously.
Fitting & installation
ShaftTolerance ISO h8
Runout IT8
Roughness Rz = 10 … 16 µm
Housing bore
Careful fitting according to DIN 3760 is a prerequisite for the correct function of the seal ➔ Technical Manual. Further information on enquiry.
Tolerance ISO H8
Roughness metal outer surface OD Rz = 10 … 16 µm
Range of dimensions for shafts-Ø d1Simmerring Cassette Seal Typ 2 35 … 190 mm
Complete unit consisting of a Simmerring and an integrated running surface. Economical system solution with integrated labyrinth to protect against extreme soiling.The integrated running surface meets the high demands placed on dynamic seals.
Product properties
Design: special types, on enquiry ■
Outer casing: elastomer/sheet metal ■
Spring-loaded sealing lip ■
Additional dust lips ■
High resistance to dirt ingress ■
Robust solution ■
Cassette Seals | Simmerring Cassette Seal Type 3 (FKM)
Simmerring Cassette Seal Typ 3 (FKM)
© Freudenberg Simrit GmbH & Co. KG | Simmerrings and Rotary Seals eCatalog 2009 1
Product description
Complete unit consisting of a Simmerring and an integrated running surface. Economical system solution with integrated labyrinth to protect against extreme soiling. The integrated running surface meets the high demands placed on dynamic seals.
Product advantages
Lengthening of maintenance interval for individual units ■
Shaft must not be hardened or ground ■
Old solution can usually be replaced by Simmerring Cassette ■
Seal without change to housingThe shaft must not be machined on maintenance or seal ■
replacement
Product properties
Design: special types, on enquiry ■
Outer casing: elastomer/sheet metal ■
Spring-loaded sealing lip ■
Additional dust lips ■
High resistance to dirt ingress ■
Robust solution ■
Agricultural machinery ■
Harrows ■
Tillers ■
Fertiliser spreading machinery ■
Motorised cultivators ■
Propeller shafts*, hubs on axles of construction machinery ■
(road rollers, excavators, fork-lift trucks, mixers)Propeller shafts*, hubs for tractors ■
ApplicationThese examples of use provide general information on the pri-mary applications for Simmerring Cassette Seals and their per-formance in relation to dirt from the outside. Simmerring Cassette Seals (types 1, 2 or 3) must be selected taking into account the application conditions (shaft speed, oil temperature, etc.).
* With axial shaft movement, special design necessary.
Material
Material Fluoro elastomer
Code 75 FKM 595
Colour Red brown
ComponentsMetal insert Unalloyed steel DIN 1624 – EN10139
Spring Spring steel 17223
Operating conditions
T ≤ +100 °C
v ≤6 m/s
p ≤0,05 MPa
For material definitions, it must be taken into account that it is possible that not all extreme conditions will occur simultaneously.
Fitting & installation
Range of dimensions for shafts-Ø d1Simmerring Cassette Seal Typ 3 25 … 210 mm
Housing bore
Careful fitting according to DIN 3760 is a prerequisite for the correct function of the seal ➔ Technical Manual. Further information on enquiry.
Tolerance ISO H8
Roughness metal outer surface OD Rz = 10 … 16 µm
ShaftTolerance ISO h8
Runout IT 8
Roughness Rz = 10 … 16 µm
