zhzbbearing

• April 27. 2026

ZHZBearing supplies high-quality, OEM-standard replacement bearings for excavator travel gearboxes, compatible with most mainstream excavator models. Common Bearing Failure Symptoms Abnormal grinding noise when traveling Slow traveling speed and weak climbing power Travel gearbox overheating Gearbox oil contains metal shavings Obvious chassis vibration Main Causes of Premature Failure Dust and wat...

• June 13. 2026

1. Disassembly Notes Stop and power off the equipment, release pressure and cool down the machine, and clean surface oil and impurities. Use professional tools to disassemble ZHZB bearings. Violent knocking is prohibited to prevent damage and deformation of shafts and bearing seats, and keep the mounting reference intact. 2. Fault Inspection Disassemble and clean ZHZB bearings, and inspect the sta...