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Goodyear Super Cushion Triple Convoluted Air Spring 3B12-325
Part Number: 578933103 | 1/4NPTF Air Inlet
Product Specifications
Specification
Value
PCD
6.2 inch
Plate Diameter
10.3 inch
Minimum Height
4.5 inch
Maximum Height
19 inch
Stroke
14.5 inch
Air Inlet Offset
2.87 inch
Air Inlet
1/4NPTF
Mounting Hole
3/8-16UNC
Brand
Goodyear
Goodyear Bellows No.
578-93-3-103
Compatible OEM Models
Goodyear 3B12-325, 3B12325, 3B12 325
Goodyear 578-93-3-103, 578933103, 578 93 3 103
Firestone W01-358-8048, W013588048, W01 358 8048
Firestone WO1-358-8048, WO13588048, WO1 358 8048
Firestone 8048
Product Overview
The Goodyear 3B12-325 is a heavy-duty triple-convoluted air spring from the Super-Cushion® range, designed for applications requiring high load capacity, controlled movement, and effective vibration isolation. Its three-lobe bellows provides an extended working range within a compact pneumatic assembly, making it ideal for industrial actuators and isolation systems.
With a maximum outside diameter, minimum height of 4.5 inches, and maximum height of 19 inches, the 3B12-325 offers approximately 14.5 inches of usable stroke. This combination of high force and adjustable air pressure makes it suitable for demanding applications where conventional mechanical springs cannot provide equivalent load control.
Unlike conventional steel springs, the 3B12-325 uses compressed air as its working medium. Adjusting the internal air pressure modifies the supporting force and spring characteristics, allowing the system to adapt to various loads and operating conditions. The reinforced rubber bellows also helps isolate vibration and absorb shock, making this air spring ideal for industrial machinery, lifting and pressing equipment, vibration isolation systems, and pneumatic actuation.
Goodyear Triple Convoluted Air Spring Comparison
Part No.
Usable Stroke (in)
Max Dia @ 100 psi (in)
Min Height (in)
Max Height (in)
Force at Actuator H. Limit (Pounds)
100 psi
80 psi
60 psi
40 psi
3B12-304
13.3
13
4.7
18
29.25
2165
1370
735
3B12-305
13.3
13
4.7
18
29.25
2165
1370
735
3B14-351
10.9
15.5
7.3
18.2
4770
3385
1935
940
3B14-353
10.9
15.5
7.3
18.2
4770
3385
1935
940
3B14-354
13.5
15.5
4.7
18.2
4770
3385
1935
940
3B14-361
13.5
15.5
4.7
18.2
4770
3385
1935
940
3B15-375
12.3
16.5
4.7
17.0
6165
4775
3470
2225
3B15-376
9.7
16.5
7.3
17.0
6165
4775
3470
2225
3B15-377
12.3
16.5
4.7
17.0
6165
4775
3470
2225
3B15-378
9.7
16.5
7.3
17.0
6165
4775
3470
2225
Product Images
Air Spring Types
Manufacturing Capabilities
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Agent,Exporter
Year Established:
2005
Total Annual:
6999900-7999900
Employee Number:
159~179
Ecer Certification:
Verified Supplier
Guangzhou Guomat Air Spring Co., Ltd. is located in Guangzhou, about 15min’s drive from Baiyun Airport. Our mainly products are air spring, rubber bellows, air suspension spring, air suspension compressor and refitted suspension system. They are widely used in bus, truck, cabin, vehicles&rsquo... Guangzhou Guomat Air Spring Co., Ltd. is located in Guangzhou, about 15min’s drive from Baiyun Airport. Our mainly products are air spring, rubber bellows, air suspension spring, air suspension compressor and refitted suspension system. They are widely used in bus, truck, cabin, vehicles&rsquo...