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Crossed roller gearless slewing bearings, composed of an inner ring, outer ring, rolling elements, and separators, are a type of slewing bearing capable of simultaneously bearing axial and radial loads. Though multiple types exist with consistent core structures, the single-row version—featuring a compact design, lightweight construction, and high manufacturing precision—handles axial loads, overturning moments, and large radial loads simultaneously, with optional internal/external toothed rings. Additionally, these bearings are easy to install and operate, widely used in machinery such as lifting, transportation, and construction equipment.

The four-point contact gearless slewing bearing is a large-scale bearing with a special structure that can withstand large axial loads, radial loads and overturning moments.Single-row four-point contact ball slewing bearings are generally composed of two rings. They have a compact structure and are lightweight.

Cross-roller type internal gear slewing bearings are generally composed of four parts: inner ring, outer ring, rolling element, and separator. it can carry the axial load and radial load at the same time.The ring gear with internal or external teeth can be selected according to different applications.The cross-roller type slewing bearings are widely used in lifting, transportation, and construction machinery.

CRBF-C Series Crossed Roller Bearings adopt a split outer ring design, primarily engineered for solid shaft reducers. Their cylindrical rollers are precisely arranged within the V-shaped raceway (90° angle), and utilizing their separable inner/outer ring structure enables adjustable bearing clearance, maintaining high-precision rotation even under preload conditions. This structural configuration supports simultaneous accommodation of axial loads, overturning moments, and radial loads, boasting exceptional rigidity, rotational accuracy, and load-bearing capacity. With its compact form factor paired with integrated mounting holes, it facilitates direct customer installation and optimizes on-site integration efficiency.

External geared slewing bearings, as precision transmission components, comprise four key units: inner ring, outer ring, rolling elements, and separators. Designed for combined axial/radial load-bearing, they maintain structural consistency across subtypes (e.g., single-row cross-roller types feature dual-ring frames). Precision machining enables compact, lightweight designs while supporting multi-load capabilities (axial, overturning moment, large radial). Configurable inner/outer gear rings enhance installation adaptability. Widely used in hoisting, transportation, and construction machinery.

Cross-roller type slewing bearings are generally composed of four parts: inner ring, outer ring, rolling element, and separator. it can carry the axial load and radial load at the same time.The ring gear with internal or external teeth can be selected according to different applications.The cross-roller type slewing bearings are widely used in lifting, transportation, and construction machinery.

The CRBF-S series cross roller bearing has an integration structure of the inner ring and outer ring.CRBF-S series bearings are mainly used for hollow shaft reducers. The unique structure of the bearing is able to carry axial load, overturning moment and radial load and easy for bearing installation.

The four-point contact external gear slewing bearing is a large-scale bearing with a special structure that can withstand large axial loads, radial loads and overturning moments.Single-row four-point contact ball slewing bearings are generally composed of two rings. They have a compact structure and are lightweight.

Flexible bearings utilize flexible components’ controlled elastic deformation to transmit motion and power, boasting advantages such as large transmission ratio, wide application, high precision, minimal lost motion, strong load capacity, high efficiency, compact/lightweight design, smooth/quiet operation, and enabling motion transmission in confined spaces. As a critical harmonic reducer component, they feature an elliptical cam-mounted inner ring and flexible spline-integrated outer ring, capable of withstanding periodic stress and strain-induced forces.

The four-point contact external gear type slewing bearing is a large-scale bearing with a special structure that can withstand large axial loads, radial loads and overturning moments.Single-row four-point contact ball slewing bearings are generally composed of two rings. They have a compact structure and are lightweight.

This abstract summarizes key features of four-point contact slewing bearings: The large-scale, specialized internal gear type integrates support, rotation, torque transmission, and fixation functions, designed to simultaneously withstand high axial/radial loads and overturning moments. Single-row ball variants, typically with two-ring structures, feature compact, lightweight designs; their steel balls maintain precise four-point contact with curved raceways, enabling concurrent load-bearing of multi-directional forces to optimize performance in demanding rotational applications.

Special bearing for the idle flywheel of multi-wire saw for granite and marble cutting.