Four-point contact ball slewing bearings

The inner ring and outer ring raceways of the four-point contact ball slewing bearing have peach-shaped cross sections, and the steel balls and the rings are in four-point contact under the action of pure radial load. Four-point contact ball slewing bearing is a kind of large bearing with special structure, which can bear large axial load, radial load and overturning moment at the same time, and has many functions such as supporting, rotating, driving and fixing. It has high dynamic load capacity, compact structure and light weight, and can bear axial force, radial force and overturning moment at the same time.

Single-row four-point contact ball slewing bearing is generally composed of two rings, mainly composed of inner ring, outer ring, single-row steel ball, cage, sealing device and other parts. The inner ring and outer ring of four-point contact ball slewing bearing have integral and split structure. The rigidity of the integral ferrule is relatively strong, the split type is convenient to adjust, and the split type structure has connected the two split rings together through bolts before the product leaves the factory.

Four-point contact ball slewing bearing is suitable for sewage treatment, coal mill, AGV steering wheel, laser cutting machine, photothermal power generation, rotary conveyor, tower crane, medical equipment, food machinery, beverage filling machine, environmental protection machinery, small and medium-sized cranes, welding operators and excavators and other engineering machinery.