HYUNDAI R320LC-7Excavator Swing Bearing 81N9-01021 Slewing Ring

HYUNDAI Swing Bearing Parameters

Introduction to excavator swing bearings

In the realm of heavy machinery, excavators stand as indispensable tools for a wide range of construction and excavation tasks. Among the critical components that contribute to their exceptional performance is the swing bearing. This vital component plays a pivotal role in enabling the excavator’s upper structure to rotate smoothly and efficiently.

The swing bearing is a large, circular bearing that is located at the base of the excavator’s upper structure. It provides a low-friction surface that allows the upper structure to rotate freely upon the lower structure. This rotation is essential for the excavator to perform its primary functions, such as digging, trenching, and material handling.

The design of the swing bearing is crucial to the overall performance of the excavator. It must be able to withstand the immense loads and forces that are generated during operation. These loads include the weight of the upper structure, the digging forces, and the inertial forces that occur during acceleration and deceleration.

To meet these demands, swing bearings are typically constructed from high-strength materials, such as forged steel or cast iron. They are also equipped with multiple rows of rolling elements, which distribute the load and reduce friction. The rolling elements are typically made of hardened steel or ceramic materials to ensure durability and longevity.

The proper maintenance of swing bearings is essential to ensure the optimal performance and longevity of the excavator. Regular lubrication is crucial to prevent wear and tear and extend the bearing’s lifespan. Additionally, periodic inspections should be conducted to identify any signs of damage or excessive wear.

When selecting a swing bearing for an excavator, it is important to consider the specific requirements of the application. Factors such as the excavator’s size, weight, and intended use should be taken into account. It is also advisable to consult with the excavator manufacturer or a qualified bearing supplier to ensure the proper selection and installation of the bearing.

In conclusion, the swing bearing is a critical component that plays a vital role in the performance and efficiency of excavators. By understanding the design, function, and maintenance requirements of swing bearings, operators and maintenance personnel can ensure that their excavators operate at peak performance for years to come.

Hyundai Swing Bearing

Hyundai is a well-known brand in the construction equipment industry, providing quality machinery and replacement parts for excavators. Hyundai’s excavator swing bearing product is designed to provide durability, precision, and performance, making it an ideal choice for excavator owners and operators.

The excavator swing bearing from Hyundai is available for a wide range of excavator models, including the R55, R60, R80, R130LC-3-5, R150, R190, R200, R200-5, R210, R215-7/9, R220, R225LC-7/9, R245, R260, R265, R290, R290LC-7, R300LC, R305LC, R330LC, R340, R375, R360LC-7, R390, R450LC, R470, R485, R500, R55-5, R60-5, R55-7, R60-7, R70-7, R80, R110LC-7, R130-5, R130-7, R140LC-7, R150LC-7, R150LC-9, R200W-7, R200, R200-3, R200-5, R210-3, R210-5, R210-5D, R220-3, R220-5, R210-7, R210-9, R215-7, R225-7, R220-9, R225-9, R260-7, R265-7, R290-3, R300-5, R290-7, R305-7, R305-9, R320-7, R300, R350, R400, R450, R480, and R550.

With over 1000 types of swing bearings available, we provide unparalleled choice and flexibility.Whether you're in the market for CAT, KOMATSU, HITACHI, HYUNDAI, KOBELCO, VOLVO, DOOSAN, JCB, CASE, LIEBHERR, LIUGONG, SANY, YUCHAI, XCMG, SUMITOMO, or any other leading brand, we've got you covered. 

Contact a Parts Specialist today at +8613023501555 for more information.