This forged chromium-molybdenum alloy shaft undergoes vacuum carburizing for 1.8mm case depth, achieving 58-62 HRC surface hardness. The 72-spline design maintains torque capacity up to 3,200Nm while reducing weight by 40% compared to solid shafts. Includes laser-etched part number and orientation marks for correct assembly.
Technical Parameters
Part Number: 199014320135
Material: 20CrMnTiH steel
Process: Forging + vacuum carburizing
Length: 428±0.5mm
Outer Diameter: Ø68mm
Inner Diameter: Ø42mm
Spline Teeth: 72 (Module 1.5)
Surface Hardness: 58-62 HRC
Core Hardness: 32-38 HRC
Runout Tolerance: ≤0.03mm
Max Torque: 3,200Nm
Compatibility: WD615.96/WD615.97
Warranty: 5 years/500,000km
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