41
MAX. HT.
MIN. HT.
3
2
1
6
5
4
3
2
120 Psig
100 Psig
80 Psig
40 Psig
20 Psig
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
60 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
Volume
100 Psig
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
4.5 INCHES
Static Data
9258
HEIGHT IN.
110
HEIGHT
8.3 MAX O.D.
AT 100 PSIG
4.50 DIA.
3/8-16 BLIND NUTS
(5/8 DEEP)
1.75
1/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
NOTE: A bead plate part is shown. This part is
also available with bead rings. Bolts are not included.
See pages 8-10 for explanation.
See page 12 for instructions on how to use chart.
V
OLUME (WITHOUT B
UMPER) CU IN. x 10
FORCE LBS x 1000
Dynamic Characteristics at 4.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 128 in
3
Gage
Spring
Pressure
Load
Rate
(PSIG)
(lbs.)
(lbs./ in.)
40
650
554
173
2.88
60
1,010
795
167
2.77
80
1,390
1,046
162
2.71
100
1,790
1,294
160
2.66
Natural
Frequency
CPM
HZ
Description
Assembly Order No.
Blind nuts, 1/4 NPT
WO1-358-7451
Blind nuts, 3/4 NPT
WO1-358-7484
Socket head aluminum bead
rings (bolts, nuts, washers not
included-use 1/4 cap screws)
WO1-358-0112
Rubber bellows only
WO1-358-0100
Assembly weight ........................................................ 3.0 lbs.
Force to collapse to minimum height (@ 0 PSIG)......... 8 lbs.
Style
110
Two
Ply
Bellows
Force Table (Use for Airstroke
®
actuator design)
Volume
Pounds Force
Assembly @ 100
Height
PSIG
@20
@40
@60
@80
@100
(in.)
(in
3
)
PSIG
PSIG
PSIG
PSIG
PSIG
4.0
117
390
810
1,240 1,700 2,160
3.0
91
490
1,010 1,540 2,090 2,650