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
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Core Construction
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Race Material: GCr15 Bearing Steel (ISO 683-17)
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Rolling Elements: 32 Chrome-coated steel balls (Ø8.731mm ±0.005)
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Cage: Glass Fiber-Reinforced Polyamide 66 (UL 94 V-0)
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Performance Parameters
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Dynamic Load Rating: 32.5kN (ISO 281)
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Maximum RPM: 8,000 (Oil Lubrication)
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Axial Load Capacity: 15kN continuous / 22kN peak
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Specialized Design
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Compact Bore: 45mm ID (+0/-0.012mm tolerance)
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PTFE-Infused Seal: Triple-lip design (IP69K certified)
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Preload Spring Force: 180N ±5%
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Durability Features
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Grease Lifetime: 2,000hrs @ 120°C (Mobilith SHC 460)
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Temperature Range: -40°C to +220°C
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Vibration Resistance: 50g peak (ISO 10816-3)
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Precision Engineering
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Radial Runout: <0.02mm (DIN 620-2)
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Surface Hardness: 62-64 HRC (Case Depth 1.2-1.8mm)
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Axial Play: 0.05-0.12mm (Adjustable Shim Kit Included)
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Compatibility
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Clutch Types: Pull-style 395mm diaphragm springs
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Truck Models: HOWO T7G/ZZ4257N3847C/TH7
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Model Years: 2019-2024
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Certifications
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ABEC-3 Precision Class (ISO 492)
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REACH/ROHS 3 Compliant
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100% End-of-Line NVH Tested