800554251 XCMG GR2605 motor grader bearing

800554251 XCMG GR2605 motor grader bearing

800554251 is a universal rolling bearing compatible with XCMG GR2605 graders. It features high precision, low friction, wear resistance, and vibration damping, supporting rotating components such as transmission, hydraulic systems, and motors to ensure smooth operation and easy installation and replacement.

Core Functions and Roles

Spinning Support and Friction Reduction: Supports various rotating shafts, reducing operating friction and energy consumption, minimizing vibration and noise, and ensuring stable operation of components such as gearboxes, hydraulic pumps, and motors.

Stable Load Bearing and Fatigue Resistance: Utilizes high-carbon chromium bearing steel and precision heat treatment, ensuring reliable contact between the raceway and rollers, resisting fatigue and spalling, and adapting to continuous operation and vibration conditions in construction machinery.

Easy Installation and Replacement: Standardized dimensions match original shaft systems and mounting holes; plug-in/press-fit installation is sufficient, requiring no rewiring or hole modification, resulting in high maintenance and replacement efficiency.

Key Technical Parameters (Compatible with GR2605)

Model: 800554251
Type: Rolling Bearing (Deep Groove Ball / Universal Rotary Bearing)
Compatible Model: XCMG GR2605 Grader
Operating Temperature: -40℃～+120℃ (Normal Operating Conditions)
Features: High precision, low friction, wear-resistant and vibration-resistant, compatible with multiple rotary bearings

Common Faults and Troubleshooting

Fault Symptoms: Bearing overheating, abnormal noise, inflexible rotation, raceway peeling, roller wear.

Troubleshooting: Check if the axial/radial clearance meets the standard; ensure sufficient lubrication and no impurities intrusion; check if the shaft and housing bore are deformed or worn.

Replacement and Maintenance Points

Replacement: Clean the mounting area, removing burrs and oil stains; press into place with a special tool, do not strike forcefully; check rotation flexibility and temperature rise after installation.

Maintenance: Regularly add/replace qualified grease, maintain good sealing, prevent dust and moisture intrusion, and extend bearing life.

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1 800361901 Tire (L3/TT)
2 800361874 Rim (with inner tube)
3 380901054 Rim nut
4 380906174 Connecting disc
5 380902714 Front rim bolt
6 803400210 Lip seal
7 800554952 Tapered roller bearing
8 800554251 Bearing
9 380900935 Adjusting shim
10 380906173 End cap
11 805338263 Washer 16
12 805139895 Screw M16×40

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