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AB011T9A1 Bus Air Spring 29.5 kN Conti 644NP04 Fatigue Resistance Rolling Lobe Design
AB011T9A1 Bus Air Spring 29.5 kN Conti 644NP04 Fatigue Resistance Rolling Lobe Design
Specifications
Delivery Time :
Negotiatable
Piston Height :
110 mm
Packaging Details :
EVEN branded export carton with shock-proof foam, palletized, or as per buyer request
Fatigue Life :
18.17 million cycles
Payment Terms :
Negotiatable
Brand Name :
EVEN
Supply Ability :
300000 Pieces per Year
MOQ :
Negotiatable
Certification :
IATF 16949
Load Capacity :
29.5 kN
Place of Origin :
CHINA
Operating Temperature :
-40 C to 80 C
Max Inflation Pressure :
0.7 MPa
Model Number :
AB011T9A1
Price :
Negotiatable
Piston Diameter :
192 mm
Description
AB011T9A1 Rolling Lobe Coach 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.

Specifications
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
Key Features
  • 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
Applications

Coach and bus chassis suspension, matched with OE vehicles from CRRC, Zhongtong, King Long, Golden Dragon, for OEM and aftermarket replacement.

Cross-section Drawing
AB011T9A1 Bus Air Spring 29.5 kN Conti 644NP04 Fatigue Resistance Rolling Lobe Design
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AB011T9A1 Bus Air Spring 29.5 kN Conti 644NP04 Fatigue Resistance Rolling Lobe Design

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Product Detail
Delivery Time :
Negotiatable
Piston Height :
110 mm
Packaging Details :
EVEN branded export carton with shock-proof foam, palletized, or as per buyer request
Fatigue Life :
18.17 million cycles
Payment Terms :
Negotiatable
Brand Name :
EVEN
Contact Supplier
AB011T9A1 Bus Air Spring 29.5 kN Conti 644NP04 Fatigue Resistance Rolling Lobe Design

EVEN Co., Ltd.

Verified Supplier
1 Years
shandong, qingdao
Business Type :
Manufacturer
Main Products :
Truck Air Spring, Bus Air Spring, Automotive Bushing
Total Annual :
5000000-8000000
Employee Number :
80~120
Certification Level :
Verified Supplier
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