Crossed Roller Bearing

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Crossed roller bearing have various structures: inner ring or outer ring which is divided into two halves, and inner ring and outer ring as a whole with high rigidity. The two-half split structure is fastened together by bolts or rivets at the factory to prevent separation during the transportation and installation. Since the rollers are arranged in a cross, only one set of Cross Roller Ring can withstand loads in all directions, and the rigidity is 3 to 4 times higher than that of conventional models. At the same time, since the inner ring or outer ring of the crossed roller bearing is divided into two structures, the bearing clearance can be adjusted, and even if a preload is applied, high-precision rotational motion can be obtained. Moreover, due to its special structure, it is usually used as a joint bearing in industrial robots. As a

professional cross roller bearing supplier, THB-bearings has its own cross roller bearing factory which ensures the quality of our products. We can offer you two types of linear cross roller bearingincluding crossed cylindrical roller bearings and crossed tapered roller bearings with high quality. You can click and check more details below.

Cross Cylindrical Roller Bearing

Component structure: outer ring, inner ring, cylindrical roller, and isolation block. Cylindrical rollers are crossed between V-races, crossed roller slidesbearing is suitable for various high precision and high rigidity applications.

Cross Tapered Roller Bearing

Component structure: outer ring, inner ring, tapered roller (with support spacer), isolation block. Tapered rollers are crossed between V-races of matching angles.

The Features of Crossed Roller Bearing

With the cross-roller bearing, cylindrical rollers are arranged with each roller perpendicular to the adjacent roller, in a 90° V groove, rollers, and grooves are linear contact, and rings and rollers have small elastic deformation when the bearing achieves loads, thus, it has high rigidity. Separated from each other by a spacer or retainer to prevent rollers from skewing and the friction between rollers, improving flexible rotation and working speed.

THB cross roller ring bearing is with two types of two-piece outer rings, inner rings, and integrated structure with roller putting holes type, which is very easy to operate and install.

With the structure of a 90° V groove, cylindrical rollers are arranged with each roller perpendicular to the adjacent roller, this design allows just one bearing to receive loads in all directions including radial, axial, and moment loads.

Since the Cross roller Ring achieves high rigidity with the minimum possible dimensions of the inner and outer rings, the cross roller slewing bearing is the optimal option for the applications such as joints and swiveling units of industrial robots, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, medical equipment, measuring instruments and IC manufacture machines.

What is Crossed Roller Bearing?

Crossed roller bearings, including crossed cylindrical roller bearings and crossed tapered roller bearings, are between the inner and outer ring: configuration of the corresponding rollers and composition. Compact structure, rolling surface for the line contact, so the shaft with force when the collar and rolling body elastic deformation is small while carrying radial, axial load, and moment load and other combined load. These bearings are widely used in applications requiring high rigidity and high rotational accuracy and small bearing size requirements, such as industrial Mk robots, machine tools, and medical equipment, and other rotary positions. As one of the most professional cross roller bearing manufacturers in China, THB-bearings has its own cross roller bearing factory. We can offer you customizable crossed cylindrical roller bearings and crossed tapered roller bearings which can meet your different requirements.

The Installation of Crossed Roller Bearing

As one of the most professional China cross roller bearing manufacturers, THB-Bearings knows a lot about the installation precautions of cross roller bearings. When installing the crossed roller bearing, equal pressure must be applied to the circumference of the end face of the ferrule to press the ferrule in. Do not directly hit the end face of the crossed roller bearing with a tool such as a hammer to avoid damage to the cross roller ring bearing. In the case of a small amount of interference, the end face of the bearing ring can be pressed with a sleeve at room temperature, and the sleeve can be hit with a hammerhead to press the ring evenly through the sleeve. If the cross roller slewing bearing is installed in large quantities, hydraulic presses can be used. When pressing in, it should be ensured that the end face of the outer ring and the end face of the shoulder of the shell, the end face of the inner ring, and the end face of the shaft shoulder are pressed tightly, and no gap is allowed. When the amount of interference is large, it can be installed by oil bath heating or inductor heating bearing method. The heating temperature range is 80℃-100℃, and cannot exceed 120℃. At the same time, tighten the bearing with nuts or other appropriate methods to prevent the cross roller ring bearing from shrinking in the width direction after cooling and causing a gap between the ring and the shaft shoulder. That's the installation precautions of cross roller ring bearing. If you have any more questions about cross roller slewing bearing, please feel free to contact us. THB-Bearing, a professional China cross roller bearing factory and supplier, is willing to help you solve the problems of cross roller bearing applications.

Crossed Roller Bearing Applications

As one of the most professional China cross roller bearing manufacturers, THB-Bearings provides our customers with high-precision cross roller ring bearing products. Our own cross roller bearing factory can ensure the quality of the cross roller ring bearing. With the features of high rigidity, flexible rotation, and accurate location, THB cross roller slewing bearing can be applied to various applications as shown below. If you need cross roller ring bearing application solutions, THB Bearings, China cross roller bearing supplier, can provide you with accurate customized solutions. Welcome to contact us!

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