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Ferris wheel usually adopts double row ball slewing bearing.There are two rows of rolling element, which can bear large axial load, radial load and tilting moment.It rotates flexibly and stably with higher safety factor.

1. Introduction
HGB is a professional manufacturer in slewing ring bearings since 2007. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer\'s different technical requirements. 
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing. 
Slewing ring bearing is a bearing that able to bear axial load, radial load and overturning torque. 
2. Structure
Single row ball slewing bearings
Double row ball slewing bearings
Crossed roller slewing bearings
Triple row roller slewing bearings
Flange slewing bearings
Slewing ring bearings with no gear
Slewing ring bearings with external gear
Slewing ring bearings with internal gear
3. Application: 
Slewing ring bearings can be widely used in lifting & transport machinery, mining machinery, construction machinery, port hoisting machinery, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipments and other large rotary device.