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...

• July 07. 2026

How to Extend Excavator Travel Gearbox Bearing Life in Dusty Sites Dust is the main cause of premature bearing damage in excavator travel gearboxes. Simple maintenance plus premium bearings from ZHZBearing can greatly extend bearing service life and lower your machine downtime. Maintain Seals Check oil seals and dust rings daily. Replace cracked or leaking seals immediately. Install double-lip dus...