News

• 16

  2020.07

  Use Method of Cylindrical Roller Bearings

  The rolling body is the centripetal rolling bearing of a cylindrical roller.The internal structure of cylindrical roller bearings adopts the roller to be arranged in parallel, and the spacer retainer or isolation block is installed between the rollers, which can prevent the inclination of the rollers or the friction between the rollers, and effectively prevent the increase of rotating torque. Cylindrical roller and rac...
• 15

  2020.07

  Find The Reason To Solve The Tever Problem

  The high temperature of the bearing will cause a great dangerous failure of rotating mechanical equipment, and will also reduce the life of the bearing, and may damage the machine and increase maintenance costs. If we find that the temperature is very high when the machine is running, we should quickly stop the operation of the equipment and check for failures, otherwise it will easily cause unplanned shutdown or overload op...
• 14

  2020.07

  Tapered Roller Bearing Fit and Load Type

  When choosing a fit, first consider the type of loading on the ferrule. There are three types of ferrules under load: 1. Fixed load The synthetic radial load acting on the ring is borne by the local area of the ring raceway and transmitted to the opposite area of the shaft or bearing housing. This load is called a fixed load. The characteristic of the fixed load is that the resultant radial load vector is relat...
• 13

  2020.07

  Reasons Affecting the Friction of Cylindrical Roller Bearings

  1. Surface properties Due to the effects of pollution, chemical heat treatment, electroplating and lubricants, a very thin surface film (such as oxide film, sulfide film, phosphating film, chloride film, sulfide film, cadmium film, aluminum film, etc.) is formed on the metal surface ), so that the surface layer has different properties from the substrate. If the surface film is within a certain thickness, the actua...
• 10

  2020.07

  Troubleshoot Spherical Roller Bearings

  Bearings require unscheduled maintenance and maintenance during use. Even so, some failures will occur during the use of bearings. We better repair the use of bearings. ZZ Bearing (Shanghai) Co., Ltd. analyzes spherical rollers in detail When the bearing fails, how can we find the real fault, the elimination method is the best solution. Spherical roller bearing in the head of the air compressor and troubleshooting ...
• 09

  2020.07

  CA Type Spherical Roller Bearings

  Roller bearings are much larger than spherical bearings (usually designed with deep grooves).The rotational speed of outer spherical bearings is much higher under the same state of bearing load.Have two columns of spherical roller, there's a share of the spherical outer ring raceway, has a good heart performance, when the axial stress bending or install different heart bearings can still be used normally, this type of be...
• 08

  2020.07

  ZZ Deep Groove Ball Bearing

  Roller bearings are some of the most important components of support and tensioning rollers in conveyor belts. To enable conveyor belt rollers to operate in extreme conditions such as transporting sand or rock for mining, ZZ Bearing (Shanghai) Co., Ltd has developed single-row deep groove ball bearings. They have optimised performance capabilities and longer service life compared with standard bearings, reducing downtime for t...
• 07

  2020.07

  Most Popular Types Of Mechanical Bearings

  A mechanical bearing is a component used between two parts that allows rotational or liner movement, reducing friction and enhancing performance to save energy. Both metal and plastic bearings can be found everywhere, from refrigerators to computers to the 100 or so bearings found in your car. The concept behind them is a simple one: things roll better than they slide. Without bearings, the wheels in your car would rat...
• 06

  2020.07

  Reasons for High Temperature of Cylindrical Roller Bearings

  The correct use and common faults of cylindrical roller bearings Cylindrical roller bearings are generally installed inside the mechanism, so it is inconvenient to check visually, only to make a rough judgment based on the fault phenomenon, and then disassemble and check. The correct use of cylindrical roller bearings is a reliable guarantee to reduce bearing failures and extend bearing life. Its contents include ...
• 03

  2020.07

  Elimination of Common Faults of Needle Roller Bearings

  Needle roller bearings are roller bearings with cylindrical rollers, which are commonly seen in automobiles or motorcycles in our daily life. Needle roller bearings cannot avoid some failures when they are used. ZZ Bearing (Shanghai) Co., Ltd According to the understanding of needle roller bearings, tell you about some common fault factors of needle roller bearings and related methods to eliminate bearing faults. Commo...
• 02

  2020.07

  Maintenance of E Type Spherical Roller Bearings

  ZZ Bearing (Shanghai) Co., Ltd mainly deal with spherical roller bearings,today we share some information for E type spherical roller bearings E type spherical roller bearings can bear multi-direction force, high rotating speed and large bearing capacity.Symmetrical spherical roller, two quenched steel punch cage, inner ring without retaining edge and a center retainer guided by cage.The middle retainer near the outer ri...
• 01

  2020.07

  History And Development Of Bearings

  For centuries, man had to rely on his own power to pushor pull large objects over the earth. The concept of a bearing –to lessen friction between an object and the surface overwhich it is moved – is nearly as old as man himself. The first solution to relieving some of this sliding friction was recordedas early as 3,500 B.C. It was then that Mesopotamians were usingone of the first bearings known to man, an invention ...
• 30

  2020.06

  Vibration Temperature Causes Failure Analysis of Cylindrical Roller Bearing

  In the process of using cylindrical roller bearings, it can be said that the impact of vibration and temperature on cylindrical roller bearings is very large, let us first look at the impact of bearing vibration on cylindrical roller bearings. Vibration can be said to be quite sensitive to bearing damage, and flaking, indentation, rust, cracks, wear, etc. will be reflected in bearing vibration measurements. Therefore...
• 29

  2020.06

  The Meaning of Clearance for Spherical Roller Bearings

  The clearance of spherical roller bearings refers to the maximum distance that the inner and outer rings of the bearing can move without load, that is, when the bearing is not assembled in the shaft or bearing box, the inner ring or the outer ring is fixed. The amount of movement when moving the unfixed side in the radial or axial direction. According to its moving direction, the radial clearance is called radial clearance, ...
• 26

  2020.06

  Different Types of Installation of Needle Roller Bearings

  Needle roller bearings are roller bearings with cylindrical rollers. The rollers are both thin and long relative to their diameter. This type of roller is called a needle roller. According to the needle bearing model table query, needle roller bearings include: needle roller bearings without inner ring, needle roller bearings with inner ring, needle roller bearings with drawn outer ring and full complement needle roller bear...
• 25

  2020.06

  Why Choose ZZ Sealed Spherical Roller Bearing

  In many practical applications, the friction is halved, the speed is doubled, no longer lubrication is needed during the service life, and the maintenance cost is actually reduced.A novel seal design, code-named "CS", reduces total bearing friction by up to 20%.In a typical operation, a reduction in friction of around 20% would mean savings of up to 145 KWH per year.For a typical gearless tractor in a heavy lift, replacing t...
• 24

  2020.06

  Anti-rust Lubrication of ZZ Bearings

  As a metal product, the bearing will inevitably produce rust. At this time, it needs to be properly maintained and rust-proof. Scientific and effective maintenance can greatly increase the service life of a bearing and can well reduce the failures during the use of machinery. Frequency is very helpful to daily production. Cleaning must select the appropriate method according to the nature of the surface of the anti...
• 22

  2020.06

  How to Install Split Spherical Roller Bearings

  Split roller bearings are mainly used for shafts supported by several points and positions that are difficult to access. Typical applications include transportation equipment, material handling equipment, ventilation equipment, steel rolling, shipbuilding and paper making. The installation of split spherical roller bearings is also an important part. ZZ Bearing (Shanghai) Co., Ltd will share the knowledge about bearing insta...
• 19

  2020.06

  Replacement Steps of Separation Bearing of Cement Mixer

  The steps to replace the separation bearing of the cement mixer are as follows: 1. Remove the split fork guard (A) from the clutch housing (B) 2. With the aid of a vise, squeeze the spring (D) of the separation fork device, remove the separation fork (C) from the clutch housing (B), and remove the separation bearing (E). 3. Rotate the separation bearing by hand to check the bearing clearance. If the clear...
• 18

  2020.06

  The Function of ZZ Lock Nut

  Lock nut, is a kind of nut widely used in machinery and other industries, its working principle is the use of friction between nuts and bolts for self-locking.However, the reliability of self-locking will be reduced under dynamic load.On important occasions, we take precautions to ensure that the nuts are securely fastened. The working principle of nuts is to use the friction force between nuts and bolts for self-locki...
• 17

  2020.06

  Precautions For Using ZZ Bearings

  As a precision spare part, the bearing has many points that need attention when it is installed and used. If it is a little careless, the bearing will malfunction or fail, so the user needs to pay attention to the following matters to make the bearing work better. Extend its service life. 1. Mechanical damage In severe cases, metal peeling and large-scale messy scratches occur on the touch surface; under normal...
• 16

  2020.06

  The protection and maintenance of rolling mill bearing

  Roll bearings are used to support the roll, compared with general purpose bearings; roll bearings have the following characteristics: 1 High pressure per unit Because dimensions of the bearing housing is limited, cannot be greater than the minimum diameter of the roll body, and the length of the roll neck is short, so it's unit load on the bearing is large. The unit pressure of general roll bearing can be up to 20...
• 15

  2020.06

  The Role and Use of Tapered Roller Bearings

  Tapered roller bearings mainly bear radial and axial combined loads. Bearing load capacity depends on the raceway angle of the outer ring, the greater the angle, the greater the load capacity. This type of bearing is a separate bearing. It is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rolling elements in the bearing. The clearance of single-row tapered roller b...
• 12

  2020.06

  Features and Performance of Spherical Plain Bearings

  The joint bearings mainly include: angular contact joint bearings, thrust joint bearings, radial joint bearings, and stalk end joint bearings. The classification of joint bearings is mainly based on the direction, nominal contact angle and structural type that can bear the load. What are the characteristics of radial spherical plain bearings Spherical plain bearings can withstand larger loads. According to...