Firestone Shock Absorber Bellow W01-358-7424 Double Convoluted Industrial Air Spring
OEM NO.
Firestone:W01-358-7424
Firestone:W01 358 7424
Firestone:W013587424
Firestone:WO1-358-7424
Firestone:WO1 358 7424
Firestone:WO13587424
Contitech:FD330-22 327
Contitech:FD330 22 327
Goodyear:2B12-300
Goodyear:2B12 300
Triangle:6316
Triangle:4327
Brake & Wheel:M3509
Dayton : 3547424
Leland : Sc2024
Navistar : 554785C1
Hendrickson : S13043
Ridewell : 1003587424C
SAF Holland : Tc1442
Tuthill : 6421
Watson&Chalin : As000
Neway: 90557014(AL-41&45)
R & S Truck & Body: 1090215
2B7424 specifications and Tecnical Data
1. Nut/blind nut Top plate screw (nut) teeth: 2 x 1/2-13UNC
Top plate screw center distance : 157.5 mm
2. Bottom cover plate screw (nut) teeth: 2 x 1/2-13UNC
Bottom plate screw center distance : 157.5 mm
2. Air hole/air inlet/air fitting air hole/air inlet: 1/4NPT
Screw Center Distance Between Gas Hole and Nut : 73mm
3. Top plate diameter (width): 231mm, bottom cover diameter (width): 231 mm
4. Rubber bellows natural diameter: 298mm
Rubber bellows Max. diameter: 325mm
5. Min height: 81mm
Max. height: 305mm
6. Bumper block/bumper block without bumper
7. Belt loop/belt loop/girdle hoop: with one piece of belt loop/girdle hoop
Min. pressure: 0 bar
Return force to min.height: ≤300N
Overall weight with clamped plates: 5.1kg
Vibration isolation - dynamic characteristic values
Design Height H: recommended 240mm, minimum 220mm
| Pressure p[bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V[l] |
| Force(Load) [KN] | 10.0 | 13.3 | 16.7 | 20.6 | 24.1 | 27.6 | 12.0 |
| Spring rate [N/cm] | 1590 | 1900 | 2210 | 2520 | 2830 | 3140 |
| Natural frequency [Hz] | 2.0 | 1.9 | 1.8 | 1.8 | 1.7 | 1.7 |
Pneumatic application-static characteristic values
Force F[KN]
| Pressure p [bar] | 3 | 4 | 5 | 6 | 7 | 8 | Vol. V [l] |
| Height H[mm] | 300 | 9.8 | 13.1 | 16.7 | 20.3 | 24.0 | 27.7 | 14.0 |
| 260 | 12.5 | 16.7 | 21.0 | 25.4 | 29.9 | 34.5 | 13.0 |
| 220 | 14.6 | 19.4 | 24.4 | 29.4 | 34.5 | 39.6 | 11.6 |
| 180 | 16.2 | 21.6 | 27.0 | 32.5 | 38.2 | 43.8 | 9.9 |
| 140 | 17.6 | 23.4 | 29.3 | 35.2 | 41.3 | 47.2 | 7.8 |
| 100 | 18.3 | 24.4 | 30.3 | 36.3 | 42.4 | 48.5 | 5.5 |
The related picture of 2B7424 air spring
Application
The air springs are widely used in many industrial machine, such as papermaking machinery, amusement equipment, mining machinery, sewage treatment, medical machinery, environmental washing and so on. It can improve the isolation and shock absorption capacity of the equipment and enable precise height control. What's more, it can effectively prevent resonance and improve horizontal stability.
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