Street Address: Kaiyuan South Road
City: Xingtai
Province: Hebei
Country/Region: China
Material:Gray Iron
Position:Rear
Size:420*200mm
Bergische Achsen
OEM Number: 0310677590 Diameter:420mm Overall Height:297mm Brake Surface Depth:225mm Hub Bore Diameter:290mm Pitch Circle Diameter:335mm No.of Holes/ Bore and size: Weight: Technical Specifications Material: High grade grey cast iron is specified in accordance with HT 250 grade. Chemical Composition: Carbon: 3.0-3.5% Silicon: 1.4-2.0% Manganese:: 0.6-1.0 Tensile strength Rm, 250MPa Dimension Accuracy: Advanced Testing Machine, Spectrum Analyzer, Dynamic Balance Testing Machine ensures dimension accuracy of machined surface, hole and threads with the tolerance specified by the leading vehicle manufacturer. Advantages: 1. Rigorous quality controls to ensure product integrity. 2. Low initial cost ensure competitive price. 3. Machined surface, holes, threads and brake path conform to the micron value in the original specifications. 3.We are the specialized manufacturer of brake drums and wheel hub for medium and heavy duty trucks and trailer. 4. We accept the OEM service, and also we can customize brake drums based on your drawing or sample.