Sinotruk HOWO Heavy-Duty Clutch Release Bearing Assembly - Part No. WG9725160510
Precision-engineered for heavy-load transmission systems, this OEM release bearing ensures reliable clutch disengagement under extreme operational stress:
Technical Specifications
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Core Construction
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Bearing Type: Angular contact dual-row ball bearing
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Race Material: SAE 52100 Chromium Steel (HRC 60-64)
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Ball Quantity: 28 precision-ground spheres (Ø9.525mm ±0.003mm)
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Performance Parameters
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Dynamic Load Rating: 25.8kN (ISO 281)
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Maximum RPM: 7,500 (Grease-Lubricated)
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Axial Load Capacity: 18kN continuous / 27kN momentary
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Specialized Features
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Bore Diameter: 48mm (+0/-0.015mm tolerance)
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Sealing System: Triple-lip nitrile rubber with PTFE coating
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Preload Force: 200N ±3% (adjustable via Belleville spring)
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Durability Enhancements
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Temperature Range: -30°C to +240°C (short-term 300°C)
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Grease Service Life: 1,800hrs @ 130°C (SKF LGWA 2)
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Vibration Resistance: 40g peak (ISO 10816-3 Class A)
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Precision Engineering
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Radial Runout: ≤0.015mm (DIN 620-2)
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Axial Play: 0.03-0.10mm (factory preset)
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Surface Finish: Ra 0.2μm (ground raceways)
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Compatibility
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Clutch Types: Pull-type 430mm diaphragm spring assemblies
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Engine Models: D10.28-37/D12.34-40
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Truck Models: HOWO T5G/ZZ3257M3247V/TH7 (2018-2024)
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Certifications
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ABEC-5 Precision Class (ISO 492)
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MIL-STD-810H Environmental Testing
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100% End-of-Line Runout/Vibration Testing