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Three Column Thrust Angular Contact Ball Bearing With Flange

Three Column Thrust Angular Contact Ball Bearing With Flange with a flange features an innovative three-column structure. Compared with traditional thrust bearings, it can provide a more uniform support distribution when bearing axial forces. The three columns work in coordination to effectively disperse concentrated loads, avoid excessive local stress, and greatly enhance the overall load-bearing stability of the bearing, ensuring reliable operation even under high-load working conditions.

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Type	Main dimensions	Rated load	Rated speed
DKLFA40115-2RS 3)	40	90	60	0.3	0.6
DKLFA40115-2RS	40	72	42	0.3	0.6
DKLFA30110-2RS 3)	30	75	56	0.3	0.6
DKLFA30100-2RS	30	62	38	0.3	0.6
DKLFA2590-2RS	25	57	38	0.3	0.6
DKLFA2080-2RS	20	52	35	0.3	0.6
DKLFA1575-2RS	15	45	32	0.3	0.6

Type

Main dimensions

Rated load

Rated speed

Dynamics

Static

Speed limit

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d[mm]

D[mm]

B[mm]

C[kN]

C₀[kN]

[r/min]

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Structural Characteristics
- Unique Three-column Design: This three-column thrust angular contact ball bearing with a flange features an innovative three-column structure. Compared with traditional thrust bearings, it can provide a more uniform support distribution when bearing axial forces. The three columns work in coordination to effectively disperse concentrated loads, avoid excessive local stress, and greatly enhance the overall load-bearing stability of the bearing, ensuring reliable operation even under high-load working conditions.
- Precise Angular Contact Layout: The steel balls and rings are arranged in an angular contact manner, and the contact angle is carefully designed, usually between 20° and 40°. This layout enables the bearing not only to withstand axial thrust excellently but also to have a certain radial load-bearing capacity, flexibly coping with complex force combinations and meeting diverse application requirements.
- Advantages of the Flange Structure: It comes with a built-in flange. On the one hand, it provides great convenience for installation. It can be directly fastened and connected to adjacent components through the flange, simplifying the assembly process and improving installation accuracy. On the other hand, the flange can strengthen the axial positioning of the bearing, preventing axial displacement during operation and further ensuring the smooth operation of the equipment.
- High-quality Materials and Processes: High-quality bearing steel is used as the base material, and it goes through multiple advanced processes such as forging, heat treatment, and precision grinding. Forging refines the grains and improves the material strength; heat treatment optimizes the material properties, achieving an ideal balance between hardness and toughness; precision grinding ensures the dimensional accuracy and surface finish of each component, guaranteeing the running accuracy and low-friction characteristics of the bearing.
Performance Advantages
- High Load-bearing Capacity: The unique three-column structure combined with the optimized angular contact layout endows it with an axial load-bearing capacity far exceeding that of similar ordinary bearings. It can easily handle the huge axial thrust generated during the operation of heavy machinery and large equipment, ensuring the stable operation of the core components of the equipment.
- Good Rigidity and Stability: Whether in static or dynamic working conditions, it can maintain excellent rigidity and effectively resist deformation. Under high-speed rotation, frequent start-stop, and impact loads, it can still maintain stable operation, providing reliable support for precision machining, power transmission, and other systems.
- Low Friction and Efficient Operation: The precise processing technology and reasonable angular contact design keep the friction coefficient between the steel balls and the rings at a low level, reducing energy consumption and lowering the operating costs of the equipment. At the same time, it is conducive to extending the service life of the bearing and improving the overall operation efficiency.

Application

The bearings can be used in the following industries

Heavy Machinery Field: In equipment such as mining crushers, metallurgical rolling mills, and large ship propellers, which need to bear huge axial forces and a certain amount of radial forces, this bearing provides stable support for key components with its high load-bearing capacity and good rigidity, ensuring the efficient and reliable operation of the equipment, reducing downtime due to failures, and improving production efficiency.
Machine Tool Manufacturing Field: The spindle systems of high-precision CNC machining centers and large lathes require bearings that can not only meet the requirements of rotational accuracy for high-precision machining but also cope with the axial thrust during the cutting process. The three-column thrust angular contact ball bearing with a flange can accurately position the spindle, ensure machining accuracy, and is widely used in high-end manufacturing industries such as aerospace and automotive manufacturing to help produce precision components.
Wind Power Generation Field: At the connection between the hub and the spindle of a wind turbine, it needs to bear complex and variable axial and radial forces generated by the rotation of the blades and operate stably for a long time in harsh outdoor environments. The high reliability, good stability, and weather resistance of this bearing make it an ideal choice, ensuring the continuous and stable power generation of the wind power generation system and escorting the clean energy industry.
Industrial Robot Field: The joints of industrial robots bear complex force loads during frequent movements and multi-angle changes and have extremely high requirements for the rigidity, flexibility, and accuracy of the bearings. This bearing can meet these requirements, achieve precise motion control of the joints, improve the motion accuracy and work efficiency of the robots, and promote the development of industrial automation.