Dunlop SP 256NB Industrial Air Spring Suspension Natural Rubber Air Bellows
Dunlop SP 256NB Industrial Air Spring Suspension Natural Rubber Air Bellows
Product Description
AIRSUSTECH Air Springs combine durability and precision engineering for superior actuation and vibration isolation. Our time-tested designs feature fabric-reinforced Neoprene/Natural Rubber flex members with corrosion-protected end retainers. Available in Single/Double/Triple Convoluted, Rolling Lobe, and Sleeve configurations, these cost-effective solutions accommodate diverse sizing and mounting requirements. The multi-layer construction ensures optimal performance across applications while resisting wear and environmental factors. Choose from our comprehensive range to meet your specific isolation or actuation needs with reliable, long-lasting air spring technology.
OEM Original Manufacturer
| Supplier | Cross References |
| AIRSUSTECH | 12×2 |
| Firestone |
W01-R58-4044, WO1-R58-4044 W01R584044, WO1R584044 W01 R58 4044, WO1 R58 4044 |
| Dunlop | SP 256NB, SP256NB |
Product Information
| Number | AIRSUSTECH 12×2 |
| Design Height | 164 mm |
| Inner Width | 176 mm |
| Outer Width | 210 mm |
| Natural Diameter | 301 mm |
| Structure | double convolutions |
| Material | rubber |
| Warranty | one year |
AIRSUSTECH Air Spring Pre-Shipment Verification
- Material Certification
- Ply Preparation
- Vulcanization Molding
- Static Performance Test
- Dynamic Fatigue Test
- Helium Seal Verification
- Dimensional Accuracy Check
- Traceability & Packaging
Other Kinds of Industrial Air Rubber Bellows
| Firestone Air Bag Rubber Bellow Only | |||
| Firestone Style | Firestone Number | Firestone Style | Firestone Number |
| 20 | W01-095-0009 | 260 | W01-095-0219 |
| 270 | W01-R58-4087 | 270 | W01-R58-4088 |
| 271 | W01-R58-4089 | 290-3 | W01-095-0532 |
| 290 | W01-095-0464 | 4 1/2X1 | W01-R58-4043 |
| 4 1/2X2 | W01-R58-4076 | 6X2 | W01-R58-4036 |
| 8X1 | W01-R58-4085 | 8X2 | W01-R58-4045 |
| 10X2 | W01-R58-4048 | 10X3 | W01-R58-4047 |
| 12X2 | W01-R58-4044 | 12X3 | W01-R58-4046 |
| 16X2 | W01-R58-4023 | - | - |
The Real Pictures


Factory Workshop
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


