800169172 main bearing XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Main Bearing (Part No. 800169172): The Stable Support Core for Heavy-Duty Power

The XCMG XE2000 mining excavator, with its 192,000kg operating weight, 810kW imported engine, and 10-14m³ bucket capacity, demonstrates formidable power performance in heavy-duty mining operations worldwide. The main bearing (part no. 800169172), as a key support component of the engine crankshaft, is the core of ensuring the efficient operation of the entire machine’s power system, directly determining the equipment’s reliability and durability under extreme working conditions.

This main bearing is precision-machined from high-strength, high-carbon chromium bearing steel, combined with a multi-layer alloy plating process, possessing excellent load-bearing capacity and wear resistance. Facing the enormous radial load and periodic impacts generated by the crankshaft during the XE2000 engine’s high-power output, it forms a stable support structure, precisely distributing stress and effectively preventing deformation and cracking caused by overload, providing a lasting guarantee for the crankshaft’s high-speed stable operation. In terms of design, it is specifically developed based on engine crankshaft journal parameters and mining operating conditions. The bearing’s inner diameter accuracy, width dimension, and radial clearance have undergone multiple rounds of calibration and optimization. Utilizing a streamlined raceway curve and optimized roller arrangement design, it ensures a tight fit with the crankshaft journal, significantly reducing the coefficient of friction during operation and minimizing energy loss during power transmission. Built-in high-precision sealing components effectively block impurities in the lubricating oil, protecting the bearing’s internal precision structure and significantly extending its service life.

Relying on XCMG’s advanced manufacturing technology, this main bearing undergoes rigorous performance testing and quality control. The roller and raceway surfaces are processed with ultra-precision grinding, controlling surface roughness to the micron level, improving contact accuracy and lubrication effect. High-frequency fatigue testing verifies that it maintains stable performance under long-term high-frequency operation, meeting the stringent requirements of continuous long-term operation of mining equipment. Each bearing undergoes comprehensive dimensional inspection and non-destructive testing to eliminate potential quality hazards.

The performance of the main bearing directly affects the engine’s power output and operating costs. Through its stable support, it ensures the concentricity of the crankshaft, reduces vibration and noise, and improves engine smoothness. Its excellent frictional characteristics reduce mechanical wear, helping the engine achieve higher fuel efficiency and lowering energy costs in mining operations. Simultaneously, reduced wear lowers the probability of engine failure, extends overhaul intervals, and reduces equipment downtime for maintenance.

Choosing the XCMG XE2000 excavator main bearing (part number 800169172) not only provides you with a precisely matched, high-quality core component with strong load-bearing capacity, but also allows you to enjoy timely parts supply and professional technical support through XCMG’s global service network. Let this stable support core for heavy-duty power provide a solid foundation for the power operation of your mining equipment, ensuring continuous and efficient production.

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800169287 main bearing XCMG XE2000 excavator spare parts

1 800169159 5 MAIN BEARING
2 800169084 5 MAIN BEARING
3 800169172 2 MAIN BEARING
4 800168889 2 MAIN BEARING
5 800166975 2 THRUST BEARING
6 800167014 1 BEARING SUPPORT
7 800138361 6 LOCKING PLATE
8 800167012 6 BOLT
9 800167015 1 BEARING SUPPORT
10 800169190 2 BOLT
11 800138362 2 MAT

XCMG XE2000 Excavator Main Bearing (Part No. 800169172): The Stable Support Core for Heavy-Duty Power