Goodyear 3B12-300 Stemco Air Spring Triple Convoluted Type Bellow Best Warranty

Product Specifications

♦NUT/BLIND NUT

Top plate screw (nut) tooth: 1 X 3 / 8-16UNC
Top plate screw (nut) tooth: 1 X stud-3/4-16
The screw center distance of the top cover plate: 140 mm
Screw (nut) teeth of the bottom cover plate: 2 x 3 / 8-16UNC
The screw center distance of the bottom cover plate: 157.5 mm

♦AIR HOLE/AIRINLET/AIR FITTING
Air hole/air inlet: 1 / 4-18NPTF
The screw center distance between the air hole and the nut: 73 mm

♦COVER
Top plate diameter: 228.6 mm
Diameter of bottom cover: 228.6 mm

♦BELL RUBBER BELLOWS
Maximum diameter of rubber bellows: 330 mm
Natural diameter of rubber bellows: 300 mm
Working stroke: minimum 120 mm to maximum 457 mm
Maximum height: 457 mm
Minimum height: 120 mm
Stroke height: 179mm

♦BUMPERr BLOCK/BUNPER BLOCK
No bumper

♦BELT LOOP/BELT LOOP
Attached belt: a belt

Cross References

The Structure of GUOMAT Air Spring

1. Is a rubber component, which is formed by vulcanization of a cord layer, an inner and outer rubber layer or a steel wire ring to form a flexible body, and realizes an elastic function by filling the compressibility of air. Commonly known as air springs, rubber airbags, airbags, etc.
2. Assembled by the rubber air spring, the base, the base (piston), the overall shape of the mat assembled into a sealed cavity.
3. According to the shape is divided into three categories of capsules, film and sleeves. The sealing structure consists of four types: pressure self-forming, flange clamping, hoop sealing and mixing.
4. The load of the air spring shock absorber is mainly carried by the cord, the curtain layer is mainly composed of 2 layers, and the special requirements of the product are composed of 4 layers of cord. The inner glue mainly serves as a sealing function, and in addition to the sealing effect of the outer rubber, it also plays a protective role.

Support and Services

• The Suspension Air Springs product technical support and services include:
• Expert troubleshooting assistance to diagnose and resolve technical issues
• Guidance on proper installation and maintenance procedures
• Product documentation, including user manuals and technical specifications
• Product training and education for customers and service technicians
• Warranty and repair services, including replacement parts and exchange programs
• Customer support for urgent technical issues or service needs

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