ROSTA
1.4
Rubber Suspension Units
Selection chart for rubber suspension standard elements
with Rubmix 10
Specification
DR-A 15 x 25
Effective element length
Size S
Inner square
Housing
General
• Light metal profiles: extruded profiles, seawater resistant (DIN 1725).
• Blue protection paint: water-soluble paint, coating thickness 40 – 80 µm.
• Fixation screws: minimum strength class of 8.8
• Welding on elements: do not weld on rubber suspensions – welding heat
will affect or destroy the rubber inserts – ask for customized elements
• Most of the elements can be supplied in stainless steel version – also
zinc-plated versions or special paintings are available.
Further customized elements: see examples on page 1.14 to 1.19.
Inner square
Housing
A
Light metal profile,
as from size 60 in steel
C
Light metal profile
S
Steel tube for plug-in connection
Accessories
for housing
Steel parts
DR
Steel tube
DR-A 15 to 50
Page 1.6
DR-C 15 to 50
Page 1.6
DR-S 11 to 50
Page 1.7
Bracket BR 11 to 50
Page 1.7
DK
Light metal profile
DK-A 15 to 50
Page 1.8
DK-C
on request
DK-S 11 to 50
Page 1.8
Bracket BK 11 to 50
Page 1.9
DW
Light metal profile
DW-A 15 to 38
Page 1.10
DW-C 15 to 38
Page 1.10
DW-S 15 to 38
Page 1.10
Accessories
for inner square A
Steel parts
DW
Nodular cast iron
DW-A 45 and 50
Page 1.11
DW-C 45 and 50
on request
DW-S 45 and 50
Page 1.11
WS 11 to 50
Page 1.13
DW
Steel welded
construction
DW-A 60 to 100
Page 1.11
DO
Light metal profile
Size 50 in nodular
cast iron
DO-A 15 to 50
Page 1.12
DO-C
on request
DO-S
on request
Ideal for alternating mo-
tions over neutral element
position.
For sizes DR 15 – 45: Fixa-
tion by means of 2 to 4 per-
sistent threaded bars (sizes
DR 27 – 45 also available
with threaded holes).
Friction locking of the core
by means of one central
bolt, can be positioned in
full 360° angle-range. For
ideal friction locking, please
remove paint cover on face
side. For alternating element
motion of max. ±10°.
For plug-in connection with
square profile*. Plug-in
length min. 2 x width
across flat “C”. Connection
is not recommendable by
alternating motions – play
between the plugged
squares.
* The square should be
made out of bright steel,
tolerance h9 – h11. Possi-
bly, the edges have to be
overwinded (edge-radius
in element profile max.
1.5 mm).
Specification
inner squares
Housing