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AB011T9A1 Bus Air Spring 29.5 kN Conti 644NP04 Fatigue Resistance Rolling Lobe Design
Basic Properties
Trading Properties
| Piston Diameter: | 192 Mm | Piston Height: | 110 Mm |
|---|---|---|---|
| Load Capacity: | 29.5 KN | Max Inflation Pressure: | 0.7 MPa |
| Fatigue Life: | 18.17 Million Cycles | Operating Temperature: | -40 C To 80 C |
| Highlight | Rolling Lobe Coach Air Spring,29.5 kN Bus Air Spring,ContiTech 644NP04 Bus Air Spring |
||
The EVEN AB011T9A1 is a rolling lobe air spring engineered for coach and city bus chassis suspension. It corresponds to ContiTech 644NP04 and fits Coach and city bus chassis. With a load capacity of 29.5 kN, a 192 mm piston and 110 mm piston height, it keeps stable ride height and reliable load-leveling for high-mileage passenger transport.
| Category | Coach Air Spring (Rolling Lobe Type) |
|---|---|
| ContiTech Model | 644NP04 |
| Customer | CRRC, Zhongtong, King Long, Golden Dragon |
| Vehicle Model Info | Coach and city bus chassis |
| Piston Diameter | 192 mm |
| Piston Height | 110 mm |
| Load Capacity | 29.5 kN |
| Max Inflation Pressure | 0.7 MPa |
| Our Model | AB011T9A1 |
| Assembly Model | A01-1T9A1-1 |
| Firestone Model | W01-358-5139 / W01-095-0118 |
| Brand | EVEN (Qingdao Guoxiang Yiwen Rubber Technology Co., Ltd.) |
| Certification | IATF 16949 |
- Rolling lobe design for smooth load-leveling on bus and coach chassis
- Specialty rubber plus "Liquid Gold" compound for ultra-long fatigue durability
- Fatigue life up to 18.17 million cycles, more than double the GB/T13061 requirement
- Rubber-to-cord bonding improved 30%-50% over conventional products
- Structural topology optimization: reinforced ends with a flexible central buffer
- 80 C and -40 C vertical durability plus 1/4 suspension durability tested
- IATF 16949 certified production with full lifecycle traceability
Coach and bus chassis suspension, matched with OE vehicles from CRRC, Zhongtong, King Long, Golden Dragon, for OEM and aftermarket replacement.
Contact Person: Ms. EVEN
Tel: +86 18561829173
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