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Dynamic Characteristics at 5.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 4,914 in
3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./in.)
40 32,860 14,220 123 2.06
60 50,290 19,969 118 1.97
80 67,690 26,697 118 1.96
100 85,200 32,491 116 1.93
Natural
Frequency
CPM HZ
8 7 6 5 4 3
125
120
115
110
105
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
MAX. HT. MIN. HT.
60
55
50
45
40
35
30
25
20
15
10
5
Volume
100 Psig
20 Psig
40 Psig
60 Psig
80 Psig
100 Psig
2.5
Do not use Airstroke in
shaded area without
consulting Firestone
120 Psig
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
5.5 INCHES
Static Data
8411
HEIGHT IN.
148-1
54
HEIGHT
35.04 DIA.
40 (3/8-24) BOLTS
EACH RING
28-32 FT. LBS.
TORQUE
32.68 BOLT CIRCLE DIA.
37.4 MAX O.D.
AT 100 PSIG
NOTE: The effective length of the 1 7/8 bolt is 1.02” in
this bead ring.
See page 12 for instructions on how to use chart.
VOLUME (WITHOUT BUMPER) CU IN. x 100
FORCE LBS x 1000
Description
Assembly Order No.
Ribbed neck aluminum
bead rings (equal spacing),
1
7
/8 bolts, nuts, washers WO1-358-9601
Assembly weight ...................................................... 46.3 lbs.
Force to collapse to minimum height (@ 0 PSIG)..... 310 lbs.
Style
148-1
High
Strength
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
7.0 6,134 13,470 26,890 41,610 55,830 70,860
6.0 5,337 15,720 31,220 47,920 64,170 80,890
5.0 4,471 17,450 34,310 52,370 70,980 89,140
4.0 3,532 18,810 36,970 56,050 76,330 95,540
3.0 2,542 19,940 39,470 59,360 80,110
100,050