News

• 11

  2020.11

  Thrust Bearings Of ZZ

  Thrust roller bearings of ZZ include products using cylindrical rollers and products using spherical rollers. Although this type of bearing can only bear axial loads, it has the characteristics of being suitable for bearing heavy loads and high shaft rigidity. Among them, the thrust spherical roller bearing, the center of the roller bulges, has a self-aligning function, so this bearing is not affected by installation error...
• 09

  2020.11

  How to Select Bearing Lubrication for Hot Environments

  The temperature of furnaces can reach 1,800 degrees Celsius. For applications exposed to these extremes, how important is choosing and applying the right kind of lubrication? Here, Chris, managing director of ZZ Bearings, explains the vital importance of high temperature lubricants in industry. Choosing the correct lubricant is crucial in ensuring the optimal performance of bearings and preventing their failure. Lub...
• 05

  2020.11

  Effect of Preloading and Rotating Speed on Bearing Stiffness

  Bearing as an important part of mechanical rotation, and the stiffness and temperature of the bearing will directly affect the efficiency of the bearing to the mechanical operation. In order to provide the rotation accuracy of the bearing, increase the rigidity of the bearing device, and reduce the vibration of the shaft when the machine is working, the pre-tightening rolling bearing is often used, such as: the spindle beari...
• 04

  2020.11

  Causes Of Failure Of Anti-rust Grease

  As we all know, the ZZ brand is very famous in the bearing industry, but we must pay attention to many details, especially the selection of anti-rust grease is very important, and the implementation of anti-rust technology also affects the quality of ZZ bearings. In practical applications, it is often encountered that the use of anti-rust grease can not achieve the expected anti-rust effect, or even accelerate me...
• 02

  2020.11

  Ten Tips For Correct Bearing Maintenance

  What do clocks, skateboards and industrial machinery have in common? They all rely on bearings to maintain their smooth rotational movement. However, in order to obtain reliability, they must be properly maintained and handled. This will ensure a long bearing life and avoid many common problems that can lead to bearing failure and costly downtime. 1. Correct handling and storage To prevent contaminants including moi...
• 29

  2020.10

  Solutions of Quality Problems in Bearing Seal Ring Assembly

  The seal ring of the bearing is a common part in the bearing assembly structure. The assembly quality of the seal ring will directly affect the sealing performance of the bearing or the service life of the bearing.Bearing in the use of a lot of damage will be the bearing sealing ring assembly is related to the quality of our daily, common bearing sealing ring assembly quality problems what are the reasons? Usually, the...
• 28

  2020.10

  Solve The Noise Generated By ZZ Bearing

  The ZZ bearing will produce noise after being used for a period of time. Even a silent bearing is inevitable. What is the reason? This is an inevitable problem in the use of bearings. According to the engineers' years of bearing operation experience, we have shared several methods of noise reduction. The first one: the raceway sound of the bearing and the method of controlling the raceway sound. The sound...
• 27

  2020.10

  Explanation Of ZZ Self-aligning Ball Bearings

  1. What is ZZ self-aligning ball bearing? Self-aligning ball bearings are bearings with spherical balls installed between the outer rings of the raceway spherical surfaces of the inner ring boxes of the two raceways. The outer diameter of the self-aligning functional bearing and the inner diameter of the bearing seat are spherical, and there is an active self-aligning function between the two, which can compensate...
• 26

  2020.10

  Bearing Installation and Storage

  Whether the bearing is installed correctly affects accuracy, life and performance. Therefore, the design and assembly department must fully study the bearing installation. Hope to install in accordance with operating standards. The standard operation items are usually as follows: (1) Clean the bearing and its related parts (2) Check the size and finishing of related parts (3) Installation (4) Inspection after...
• 22

  2020.10

  The Reason for Motor Bearing Overheating

  Bearing overheating is a common fault when the motor is running, and its reasons are varied, sometimes it is difficult to accurately diagnose, so in many cases if the treatment is not timely, the result is often to cause more damage to the motor, motor life shorten, so that the impact of work and production. Common factors of motor bearing overheating and solutions: 1.Improper installation of rolling bearing, too ti...
• 21

  2020.10

  Condition Monitoring And Diagnosis Of ZZ Bearings

  Many mechanical failures are related to the ZZ rolling bearings in rotation. The quality of the bearings has a great impact on the working state of the machinery. Its defects can cause abnormal vibration and noise in the equipment, and even damage the equipment in severe cases. The correct condition monitoring and diagnosis of rolling bearings is an important aspect of equipment optimization management and predictive main...
• 19

  2020.10

  Discussion on Bearing Heat Treatment Method

  The heat treatment quality control of bearing ring parts is the most stringent in the entire machinery industry. In order to reduce the heat treatment deformation of bearing ring parts and increase the life, strict quality control should be carried out on the heat treatment process of bearing ring parts. 1. The first factor that affects the heat treatment quality of bearing ring parts is people. People's quality aw...
• 15

  2020.10

  Roller Bearings Grease Seal Way

  In order to provide the running speed of the bearing at work, grease or lubricating oil is generally used to lubricate the bearing. How about sealing lubricant when we lubricate the bearing with grease?According to the use of different types of bearings, the bearing grease sealing way will be different. Different sealing methods of grease may lead to unstable temperature rise, abnormal temperature rise, long initial ru...
• 14

  2020.10

  Common Damage States Of ZZ Bearings

  ZZ bearings will inevitably be damaged during daily use, and the damage state at each stage is different. If the user pays attention to the use of the bearing, the state of the bearing can be adjusted to further extend its service life. In severe cases, metal peeling occurs on the contact surface and large areas of messy scratches occur; in general, ZZ bearing mechanical damage refers to the appearance of different...
• 13

  2020.10

  Oil film lubrication and maintenance of ZZ Bearings

  In the daily use and maintenance of bearings, the lubrication management of oil film ZZ bearing oil is very important and cannot be ignored. Today, I will give you a detailed introduction. More than half of the main causes of mechanical failure or early wear are related to lubrication technology management. Improve lubrication management, prevent ZZ bearings, gears and other frictional moving parts from being scratched o...
• 12

  2020.10

  Failure failure of thrust ball bearing for pump

  Thrust ball bearing wear failure is one of the common failures. For example, during the use of a certain type of hydraulic pump, the thrust ball bearing in the pump has a serious wear failure failure. The specific thrust ball bearing wear failure form is described below by ZZ Bearing (Shanghai) Co., Ltd made a detailed introduction. 1. Abrasion failure fault appearance of thrust ball bearing for pump The thrust ba...
• 08

  2020.10

  Assembly of Spindle Double Row Cylindrical Roller Bearing

  Double-row cylindrical roller bearings with tapered holes belong to linear contact bearings, whose bearing capacity and stiffness are higher than angular contact bearings with point contact. They are often used in spindle systems of medium, large and heavy machine tools where the load is larger, the required stiffness is higher, and the speed is relatively not very high. 1. Selection of spindle rolling bearing. Both...
• 01

  2020.10

  The Difference between Deep Groove and angular Contact Ball Bearings

  Deep groove ball bearings, angular contact ball bearings are the typical rolling bearing, widely used can bear radial load and axial load, two-way is suitable for high speed rotation and requiring low noise, low vibration, steel plate with dust cover or rubber sealing ring seal type prefill the grease inside the bearing, outer ring snap ring or flange bearing axial positioning, easy and convenient for the installation of the...
• 30

  2020.09

  What Caused ZZ Bearing Temperature To Rise

  High bearing temperature is a common and harmful hazard of rotating equipment, which will reduce the service life of bearings and increase maintenance costs. When the temperature rises rapidly and the temperature exceeds the standard, it is easy to cause the unit to be unplanned outage or load reduction The economic benefits have a great impact. Therefore, to quickly determine the cause of the failure and take appropriate me...
• 29

  2020.09

  Knowledge Of ZZ Self-aligning Ball Bearings

  1. What is self-aligning ball bearing? The self-aligning ball bearing is in the middle of the outer side of the raceway surface of the inner hole box of the two dovetail guide rails, and is equipped with spherical steel balls. The diameter of the heart-adjusting function bearing and the nominal diameter of the bearing seat are curved surfaces, and each has an active heart-adjusting function, which can compensat...
• 28

  2020.09

  Selection of bearing type

  When selecting a bearing type, it is important to fully understand the operating conditions of the bearing. ZZ Bearing (Shanghai) Co., Ltd make table lists the main analysis items: Analysis item selection method 1) Bearing installation space. Bearing type that can be accommodated in the bearing installation space. Because the rigidity and strength of the shaft are emphasized when designing the shaft system, the shaft...
• 25

  2020.09

  The Material of Thrust Ball Bearing

  Thrust ball bearing is a common type of bearing, which is mainly composed of three parts: seat ring, shaft ring and steel ball retainer assembly. It must be recognized when choosing thrust ball bearing,ZZ Bearing (Shanghai) Co., Ltd tell everyone about the material analysis of thrust ball bearing, can let you further understand the thrust ball bearing, master the knowledge of thrust ball bearing, choose and buy more safe. ...
• 24

  2020.09

  spiral bearing

  The spiral bearing is made of spring steel. The annealing temperature of spring steel is 3500C. Therefore, it has lower temperature sensitivity than ball bearing steel (100C6) with an annealing temperature of 1800C. Spiral bearing materials will extremely lose their hardness when the temperature reaches above the tempering temperature. Therefore, spring steel is more suitable for high temperature operation. Spring steel has ...
• 23

  2020.09

  The Use And Testing Of ZZ Bearings

  　　 The use factors of ZZ imported bearings mainly refer to whether the installation adjustment, use and maintenance, maintenance and repair meet the technical requirements. According to the technical requirements of ZZ imported bearing installation, use, maintenance and maintenance, the load, speed, working temperature, vibration, noise and lubrication conditions of the bearing in operation are monitored and checked. I...