‌Genuine Sinotruk HOWO Pull-Style Compact Release Bearing WG9725160520 High-Torque Graphite-Infused Design for Heavy-Duty Clutch Systems

1. ‌Sinotruk HOWO Compact Pull-Type Clutch Release Bearing Assembly - Part No. WG9725160520‌

   Engineered for precise clutch actuation in confined spaces, this OEM bearing ensures smooth disengagement under extreme operational loads:

   ‌Technical Specifications‌

   1. ‌Core Construction‌

      • Race Material: GCr15 Bearing Steel (ISO 683-17)
      • Rolling Elements: 32 Chrome-coated steel balls (Ø8.731mm ±0.005)
      • Cage: Glass Fiber-Reinforced Polyamide 66 (UL 94 V-0)

   2. ‌Performance Parameters‌

      • Dynamic Load Rating: 32.5kN (ISO 281)
      • Maximum RPM: 8,000 (Oil Lubrication)
      • Axial Load Capacity: 15kN continuous / 22kN peak

   3. ‌Specialized Design‌

      • Compact Bore: 45mm ID (+0/-0.012mm tolerance)
      • PTFE-Infused Seal: Triple-lip design (IP69K certified)
      • Preload Spring Force: 180N ±5%

   4. ‌Durability Features‌

      • Grease Lifetime: 2,000hrs @ 120°C (Mobilith SHC 460)
      • Temperature Range: -40°C to +220°C
      • Vibration Resistance: 50g peak (ISO 10816-3)

   5. ‌Precision Engineering‌

      • Radial Runout: <0.02mm (DIN 620-2)
      • Surface Hardness: 62-64 HRC (Case Depth 1.2-1.8mm)
      • Axial Play: 0.05-0.12mm (Adjustable Shim Kit Included)

   6. ‌Compatibility‌

      • Clutch Types: Pull-style 395mm diaphragm springs
      • Truck Models: HOWO T7G/ZZ4257N3847C/TH7
      • Model Years: 2019-2024

   7. ‌Certifications‌

      • ABEC-3 Precision Class (ISO 492)
      • REACH/ROHS 3 Compliant
      • 100% End-of-Line NVH Tested

   ‌Why Choose This Part?

After-Sales Support:

• 24/7 technical consultation via WhatsApp/email
• 12-month warranty with free return policy
• Local service centers in 15+ countries