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Croed roller bearing
Croed roller bearingsCylindrical rollers of croed roller bearings are arranged at 90 ° intervals on the raceway. The rollers are equipped with spacers or spacers to prevent friction between the rollers caused by the inclination of the rollers. Lock-up occurs; Croed roller bearings can withstand loads from all directions (such as axial, radial, or overturning loads) at the same time. The roller is in line contact with the raceway surface, so the bearing is le likely to deform elastically under load.Structure of croed cylindrical bearingsThe structure of the croed cylindrical roller bearing is divided into three types of outer ring split type, inner ring split type and inner and outer ring integrated type. The rolling elements are short cylindrical rollers arranged at 90 ° to each other in a V-shaped raceway. The rollers are separated by a spacer. This structural design allows a single bearing to withstand axial loads, radial loads, and overturning moments. At the same time, bearings have high rigidity, high rotation accuracy and high bearing capacity, so they are suitable for rotary joints of industrial s, rotary tables of machining centers, precision rotary tables, machines, measuring instruments, etc.Because the rollers are arranged in a cro, only one set of croed roller collars can bear the load in all directions. Compared with the ditional model, the rigidity is increased by 3 to 4 times. Due to its special structure, it is usually used as an artiated bearing in industrial s.
RB series croed roller bearing
RB Croed Roller BearingRB series croed roller bearings, the outer ring is divided into two pieces, the inner ring is an integral structure, it is most suitable for the ocn where the inner ring has high rotation accuracy.This type of bearing is widely used in industrial s, work machinery and facilities, etc., where high rigidity, tightne and high speed can still ensure accuracy.RB Croed Roller Bearing Features:1. Excellent rotation accuracy. The RB series croed roller bearings produced by Luoyang Yadian Machinery Equipment Co.,Ltd can provide negative clearance types, accuracy grades P5 / P4 / P2.2. RB series cro roller bearings are specially suitable for the applications where space is limited, while high rigidity and high rotation accuracy are required. Such as joints and swiveling units of industrial s, swiveling tables of machining centers, rotary units of manipulators, precision rotary tables, equipment, measuring instruments and IC manufacturing machines.3. Withstand large axial and radial loads. Because the rollers are arranged perpendiar to each other on the raceway through the spacer, they are in line contact with the raceway, not point contact with the ball turntable bearing.4, greatly save installation space.5. Reduce the shaft length and proceing cost. The thermal expansion causes limited changes in geometric dimensions.6.Using nylon , low moment of inertia, low starting torque, easy to control angular division7. Optimized pre-tightening force, high rigidity, high precision of guide roller operationLubrication and Maintenance of RB cro roller bearingsAll RB series cro roller bearings products are pre-lubricated before delivery except stated otherwise. So they can be immediately put into application under normal working conditions, without ex lubrication during operating. At the initial stage of running, bearings' friction torque will increase temporarily, and will become stable awith running, after grease evenly coated the raceway and rollers. Generally bearings need to be re-lubricated every 1-6 months, based on the specific working conditions.
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