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Sitrak Front Hub Assembly

Sitrak Front Hub Assembly
Sitrak Front Hub Assembly
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What is the Sitrak Front Hub Assembly

  • Sitrak Front Hub Assembly: Robust Performance for Commercial Vehicle Wheels​
  • The Sitrak Front Hub Assembly is a premium drivetrain component designed to deliver exceptional load-bearing capacity, precise wheel alignment, and long-lasting durability for trucks, buses, and heavy machinery. Engineered with advanced materials and integrated components like the Gear Ring, Front Hub, Wheel bolts, and Retaining Ring, this assembly ensures smooth operation, optimal safety, and minimal maintenance—backed by specialized lubrication solutions for peak performance.​
  • Core Components for Reliable Wheel Integration​
  • The Front Hub, forged from high-strength alloy steel, serves as the structural foundation, providing a secure mounting platform for the wheel and brake system. Its precision-machined inner bore and outer flange are heat-treated to enhance wear resistance, capable of withstanding radial and axial forces from heavy payloads and uneven terrain. A Gear Ring, typically made of ferromagnetic steel, is permanently attached to the hub’s perimeter, working with ABS wheel speed sensors to monitor rotational velocity and enable anti-lock braking functionality—critical for safety in wet or icy conditions.​
  • Wheel bolts, constructed from grade 10.9 high-tensile steel, secure the wheel to the hub with maximum clamping force. Their thread-locking design and corrosion-resistant zinc-nickel plating prevent loosening due to vibration or exposure to road salt, ensuring a safe, permanent connection. A Retaining Ring, made of spring-tempered steel, locks the hub onto the axle shaft, resisting axial movement and distributing loads evenly across the bearing surfaces to minimize stress and fatigue.​
  • Lubrication Solutions for Extended Service Life​
  • To ensure friction-free operation, the assembly is compatible with Extreme Pressure Lithium Grease（HP-R）0.8㎏ and Extreme Pressure Lithium Complex Grease（HP-R）1.8㎏, high-performance lubricants engineered for heavy-duty applications. These greases feature advanced EP additives that withstand high temperatures and mechanical stress, reducing wear on bearings and extending relubrication intervals. The 0.8kg variant is ideal for standard maintenance, while the 1.8kg option provides enhanced protection for prolonged heavy-load operations, ensuring consistent performance in harsh environments.​
  • Design for Safety and Ease of Maintenance​
  • The hub’s surface is coated with a two-layer epoxy-polyurethane finish to resist rust and chemical corrosion, while the gear ring’s tooth profile is precision-cut to meet OEM sensor compatibility standards. The retaining ring and wheel bolts are designed for quick, torque-controlled installation, reducing downtime during wheel service. This modular design allows for easy replacement of individual components, such as the gear ring or hub, without disassembling the entire axle—an essential feature for fleet managers prioritizing efficiency.​
  • SEO-Optimized Features for Commercial Relevance​
  • Keyword Integration: Prioritizes “Front Hub Assembly”, “Gear Ring”, “Wheel bolts”, and “Retaining Ring” to target technical searches and parts replacement queries.​
  • Lubrication Specifics: Includes grease names and weights (HP-R 0.8㎏, 1.8㎏) to capture maintenance-related searches and ensure compatibility clarity.​
  • Benefit-Driven Language: Emphasizes load-bearing strength, ABS compatibility, and corrosion resistance to address core concerns of commercial vehicle operators.​
  • In summary, the Sitrak Front Hub Assembly combines rugged construction, intelligent component design, and specialized lubrication to deliver unmatched performance in heavy-duty applications. Whether for long-haul trucks, urban buses, or industrial fleets, this assembly ensures stable wheel support, reliable braking integration, and extended service life—backed by Sitrak’s commitment to engineering excellence for commercial vehicles. Trust in its precision and durability to keep your fleet rolling safely and efficiently, mile after mile.

Product Parameters of Sitrak Front Hub Assembly

AZ4071410032 Front Hub Assembly
Serial No.  Drawing No. Name Quantity
1 WG4071415040 Gear Ring 1
2 WG4071410030 Front Hub 1
3 WG9100410104 Wheel bolts 10
4 WG4071415041 Retaining Ring 1
WG9007380001 HP-R Grease
Serial No.  Drawing No. Name Quantity
1 WG9007380001+001 Extreme Pressure Lithium Grease（HP-R）0.8㎏ 1
2 WG9007380001+002 Extreme Pressure Lithium Complex Grease（HP-R）1.8㎏ 1

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