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SPECIAL BEARING
2020-10-21
ZYS is committed to the design, research, development, production of bearings widely used in the fields of aerospace, machine tools, wind power generation, mine metallurgy, petrochemical, medical equipment, automobiles and rail transit, construction machinery bearing, motorcycle, house appliance, oil and gas. Any design of speciality bearing and no... ZYS is committed to the design, research, development, production of bearings widely used in the fields of aerospace, machine tools, wind power generation, mine metallurgy, petrochemical, medical equipment, automobiles and rail transit, construction machinery bearing, motorcycle, house appliance, oil and gas. Any design of speciality bearing and non-standard bearings can be achieved.https://www.zys-bearing.com/special-bearing/ View Details
Four point contact ball bearing
2020-10-21
The four-point contact ball bearing is the kind of bearing which can be separable. The 0000 type has a double semi-inner ring, and the OJ0000 type has a double semi-outer ring, and the contact angle is 35. When there is pure radial load or no load, the steel ball and the ring are in four-point contact; under the action of pure axial load, the stee... The four-point contact ball bearing is the kind of bearing which can be separable. The 0000 type has a double semi-inner ring, and the OJ0000 type has a double semi-outer ring, and the contact angle is 35. When there is pure radial load or no load, the steel ball and the ring are in four-point contact; under the action of pure axial load, the steel ball and the ring are in two-point contact and can withstand bidirectional axial load. This type of bearing can also withstand moment loads and combine the functions of single row and double row angular contact ball bearings. This kind of bearing can only guarantee normal operation when two-points contact is formed.https://www.zys-bearing.com/angular-contact-ball-bearing/four-point-contact-ball-bearings.html View Details
zys can offer special bearings standard bearings
2020-10-15
ZYS can offer various kinds of standard bearings, special bearings and OEM bearings, bearing parts, spindles, bearing testing machine, bearing grinding machine, bearing measuring instrument, bearing production line.A new generation of precision angular contact ball bearings have been developed by ZYS for the machine tool spindle. Comparing with gen... ZYS can offer various kinds of standard bearings, special bearings and OEM bearings, bearing parts, spindles, bearing testing machine, bearing grinding machine, bearing measuring instrument, bearing production line.A new generation of precision angular contact ball bearings have been developed by ZYS for the machine tool spindle. Comparing with general precision bearings, angular contact bearings are greatly improved in terms of rotation accuracy, limit speed, carrying capacity and reliability; and the size range is also wider. ZYS is able to produce 718 series, 719 series, 70 series and 72 series high speed bearings for machine tool, motor, spindle, power tool and can also develop new products for special application conditions according to customers' needs and provide services for customers.https://www.zys-bearing.com/single-row-angular-contact-ball-bearing/sealed-angular-contact-ball-bearing.html View Details
The fracture of bearing ring
2020-09-17
The common problem of bearing ring is fracture, one is defect fracture and the other is using fracture. Defect fracture is mainly caused by raw material problems and process problems. When raw&nb... The common problem of bearing ring is fracture, one is defect fracture and the other is using fracture. Defect fracture is mainly caused by raw material problems and process problems. When raw material inclusions, looseness, brittle element segregation or carbide liquefaction, mesh, ribbon, and unfortunately free uniform segregation and other defects appear in the processing process, they will cause stress concentration, weaken the basic strength of the ferrule, and become the source of cracks.For the research on the bearing ring fracture phenomenon, we must not only consider the defects generated in the material and the production process, but also study and analyze the structural dimensions of the bearing parts, the processing measurement methods, the processing technology, and the bearing life. View Details
Ball screw bearing
2020-09-09
Ball screw bearing is a kind of bearing composed of screw, nut, reversing device and ball for converting rotary motion into linear motion or linear motion into rotary motion.The ball screw bearing pair has the characteristics of high precision, reversibility and high efficiency. This is a further extension and development of the trapezoidal screw. ... Ball screw bearing is a kind of bearing composed of screw, nut, reversing device and ball for converting rotary motion into linear motion or linear motion into rotary motion.The ball screw bearing pair has the characteristics of high precision, reversibility and high efficiency. This is a further extension and development of the trapezoidal screw. The important significance of this development is to turn the sliding action of the trapezoidal screw into a rolling action. Because of its small frictional resistance, ball screw bearings are widely used in various industrial equipment and precision instruments.In order to adapt to various purposes, ball screw bearings provide a wide range of standardized products. The circulation methods of the balls include circulating duct type, circulator type and end cap type. Preloading methods include positioning preloading (double nut method, position preloading method) and constant pressure preloading. The appropriate type can be selected according to the purpose. The screw has high-precision grinding precision ball screw (precision is divided into 7 levels from CO-C10) and cold-rolled ball screw bearing formed by high-precision cold rolling (precision is divided into 3 from C-C10 A level, only a few can do it). In addition, in order to cope with the urgent need for delivery by users, there are finished products with processed shaft ends, semi-finished products and cold-rolled ball screw bearings that can be freely processed on shaft ends. As the peripheral parts of this bearing, the screw support unit, nut support, lock nut, etc. necessary for use have also been standardized and can be used by users.http://www.zys-bearing.com/key-sealed-ball-screw-bearing-43/ View Details
construction machinery bearing
2020-08-17
construction machinery bearing classificationNeedle roller bearingsNeedle roller bearings are equipped with thin and long rollers (the roller length is 3-10 times the diameter, and the diameter is generally not greater than 5mm), so the radial structure is compact, and its inner diameter and load capacity are the same as other types of bearing... construction machinery bearing classificationNeedle roller bearingsNeedle roller bearings are equipped with thin and long rollers (the roller length is 3-10 times the diameter, and the diameter is generally not greater than 5mm), so the radial structure is compact, and its inner diameter and load capacity are the same as other types of bearings. The smallest diameter, especially suitable for supporting structures with limited radial installation dimensions. Needle roller bearings can be used without inner ring bearings or needle roller and cage assemblies according to different applications. At this time, the journal surface and housing matching the bearing The hole surface is directly used as the inner and outer rolling surface of the bearing. To ensure the load capacity and running performance are the same as the bearing with ring, the hardness, machining accuracy and surface quality of the raceway surface of the shaft or housing hole should be combined with the bearing ring. The needle bearing is a bearing unit composed of a radial needle roller bearing and a thrust bearing component. It has a compact structure and small volume, high rotation accuracy, and can bear a certain axial load while bearing a high radial load. And the product structure is diverse, wide adaptable, and easy to install. Combined needle roller bearings are widely used in various mechanical equipment such as machine tools, metallurgical machinery, textile machinery and printing machinery, and can make the mechanical system design very compact and smart.http://www.zys-bearing.com/special-bearing/ View Details
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