SLEWING BEARING XCMG TRUCK CRANE QY50K QY70K SPARE PARTS

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Product Detail

Genuine XCMG Slewing Bearing for QY50K & QY70K Truck Cranes

This OEM slewing bearing is a genuine replacement part designed for XCMG QY50K and QY70K truck cranes. Serving as the critical connection between the upper rotating platform (superstructure) and the lower chassis, this component enables the crane boom to rotate smoothly and precisely for multi-angle lifting operations .

The QY50K model features a maximum lifting capacity of 50 tons with a 1764 kN·m lifting moment, while the QY70K offers 70 tons capacity with a 2303 kN·m lifting moment. Both models utilize a single-row four-point contact ball slewing ring design, allowing continuous 360° slewing operation. The roller raceway seal is designed to be waterproof and dustproof, protecting internal components from contamination in harsh working environments.

Key Features & Benefits:

OEM Quality: Genuine XCMG part ensuring precise fit and reliable performance as per original factory specifications
Smooth Rotation: Enables stable 360° slewing motion for accurate load positioning
High Load Capacity: Engineered to withstand heavy axial, radial, and overturning loads
Durable Construction: Features excellent sealing performance for long-term operation in dust and moisture conditions
Direct Replacement: Guaranteed fit for QY50K and QY70K models without modification

Compatibility & Application:
This slewing bearing is compatible with XCMG QY50K (including QY50K-II, QY50K-2) and QY70K (including QY70K-I, QY70KA) truck cranes. The QY50K features a 5-section main boom with a length of 10.75m to 40m, while the QY70K offers a 5-section boom extending from 11.2m to 42m. Both models achieve a slewing speed of 2 rpm.

Slewing Bearing XCMG – Parts List

Part No.	English Description	Application / Compatible Models
12101891	Slewing Bearing	XCMG QY50K, QY70K Truck Crane

Supplementary Information & Notes:

Current Match Status:
Based on available search results, part number 12101891 is the directly matching slewing bearing for QY50K and QY70K models. No other slewing bearing part numbers for QY50K or QY70K were found in the search results.

Reference for Other Models:
The following slewing bearing part numbers for other XCMG equipment models are provided for reference only:

Part No.	English Description	Application / Compatible Models
800556023	Slewing Bearing	XCMG Hydraulic Excavator
800514023 (013.60.1612.001.24.03F1)	Slewing Bearing	XCMG XE700, 700C Excavator
800513372 (013.30.1240.121.34.15F4)	Slewing Bearing	XCMG XE230 Excavator
800554259 (QNA730.22Z12)	Slewing Bearing	XCMG XE75C Excavator
380602230	Slewing Ring	XCMG GR Series Motor Grader

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