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The outer spherical ball bearing
The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be ... The outer spherical ball bearing is actually a variant of the deep groove ball bearing. Its characteristic is that its outer ring outer diameter surface is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to play the role of centering. The outer spherical bearing is mainly used to bear the combined radial and axial load based on the radial load, and it is generally not suitable to bear the axial load alone. Outer spherical bearings are preferentially suitable for occasions that require simple equipment and parts, such as agricultural machinery, transportation systems or construction machinery. View Details
YRT bearing
YRT rotary table bearing is a slewing mechanism with outer ring rotating and inner ring supporting. It is mainly divided into three series: YRT type, YRTS type, and YRTM type. These three series bearings have the same installation dimensions, different internal structures, and similar performance. YRT series bearings are composed of three rows of r... YRT rotary table bearing is a slewing mechanism with outer ring rotating and inner ring supporting. It is mainly divided into three series: YRT type, YRTS type, and YRTM type. These three series bearings have the same installation dimensions, different internal structures, and similar performance. YRT series bearings are composed of three rows of rollers, two rows of axial rollers ensure stable axial load capacity, and one row of radial rollers ensure that the bearing can withstand radial forces and overturning moments, and is suitable for rotating mechanisms with axial load. YRT turntable bearings are mainly used in the manufacturing of CNC machine tools. As its core components, the domestic demand for YRT series bearings still depends on imports. The accuracy parameter standards of domestic YRT turntable bearings are also subject to international manufacturers. Since entering the 21st century, especially with the launch of the national "high-end CNC machine tools and basic manufacturing equipment" special project, it has greatly promoted the development of the machinery and equipment industry. Further acceleratedDue to the high accuracy, stiffness and stability of YRT rotary table bearings, there are not many domestic YRT bearing manufacturers.YRT bearings have a suitable axial and radial bearing mechanism. High inclination rigidity and extremely high accuracy, suitable for rotary table, chuck and iron cutter head and bearing configuration in measurement and experiment. This type of bearing also has higher requirements for its matching equipment parts. The tightening torque of the mounting screws must be controlled during installation. It is mainly used in high-precision CNC turntables, indexing heads, military radars, aviation, aerospace, and measurement and testing fields that require high precision.http://www.zysbearing.com/precision-bearings/yrt-bearings.html View Details
Cause of bearing cage failure
The cage/retainer in the rolling bearing plays the role of equidistance separating the rolling elements and preventing the rolling elements from falling, guiding and driving the rolling elements to rotate. Although the bearing is composed of many bearing parts, the first damaged/failed part of the bearing is often the bearing cage. The cage can be... The cage/retainer in the rolling bearing plays the role of equidistance separating the rolling elements and preventing the rolling elements from falling, guiding and driving the rolling elements to rotate. Although the bearing is composed of many bearing parts, the first damaged/failed part of the bearing is often the bearing cage. The cage can be said to be the bearing "blood vessel", because it can evenly distribute the inner ring, the outer ring and the rolling element. The failure or damage of bearing cage will easily shorten the life of the bearing or even damage it. What causes the bearing cage to break? Cause of bearing cage failure Insufficient bearing lubrication Lubricating oil or grease is dry without adding in time / daily maintenance, or use the wrong label of the oil or grease. Bearing impact load The intense vibrations in the impact load create an impact of the rolling elements on the cage. Bearing cleanliness The bearing is not well sealed in the bearing box, and then dust may enter; the friction between the rolling element and the cage may be added, thus causing damage to the cage. Installation problem The bearings are not installed correctly and damage the cage during installation.Bearing creep Creep mostly refers to the sliding phenomenon of the ring. Under the condition of insufficient interference of the matching surface, the load point moves in the surrounding direction due to sliding, resulting in the deviation of the ring from position of the shaft or the outer casing towards the circumference direction. Improper installation, the inclination, and too large interference will easily cause clearance reduction, increasing friction heat production, surface softening, and the abnormal peeling occurs prematurely. As peeling spreads, the foreign matter is peeled off into the pocket of the cage, resulting in the blockage of cage operation; the generation of additional loads increased the wear of the cage, and such a deteriorating cycle can cause the cage to break. Bearing cage material defect Cracks, metal inclusions, shrinkage cavities, air bubbles and riveting defects, nails, padding, severe riveting, etc. may cause the cage to break. Intrusion of hard foreign objects The intrusion of foreign hard foreign objects or other foreign matter increase the wear of bearing cage. Bearing cage performance varies with cage materials and molding technology, ZYS can supply all types of bearing cage to meet the requirements of different applications. Besides the textile laminated phenolic resin, porous polyamide and PTFE engineering plastic, and other plastic cage materials, we can also supply finished cages according to the drawings provided by customers. For more information, please send email to zysdong@gmail.com or visit our website www.zysbearing.com. View Details