Structure of crossed cylindrical bearings
The structure of crossed cylindrical roller bearings is divided into three forms: outer ring division, inner ring division and outer ring inner ring, and the rolling elements are cylindrical rollers, which are arranged vertically in the V-shaped raceway at 90 degrees to each other, and the rollers are separated by isolation blocks. This construction allows a single bearing to withstand loads in all directions, including axial loads, radial loads and overturning moments. At the same time, because the dimensions are miniaturized to the maximum, and the bearings have high rigidity, high rotation accuracy, and high load-bearing capacity, they are most suitable for the joints and rotating parts of industrial robots, rotary tables of machining centers, rotating parts of manipulators, precision rotary tables, medical equipment, measuring instruments, etc.
Types and characteristics of crossed cylindrical roller bearings:
Cylindrical crossed roller bearings have cylindrical rollers that are axially perpendicular to each other and feature a single inner and split outer ring.
CRBF crossed roller bearing is the basic type of crossed roller bearing, its structure is an integrated design of the inner and outer rings, because the inner and outer rings have been processed with mounting holes, so there is no need to fix the flange and support seat, shorten the axial space distance, optimize the use of the mechanism; In addition, due to the integrated inner and outer ring structure with a seat, the installation has almost no effect on the performance, so it can obtain stable rotation accuracy and torque, and the outer ring and inner ring rotation mechanism are applicable, which is widely used in robot waist joints, welding multi-station rotary tables, communication radars, precision measuring instruments and so on.
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Post time: Aug-18-2025
