News

• 08

  2020.05

  Characteristics And Maintenance Of Cylindrical Roller Bearings

  The internal structure of the cylindrical roller bearing adopts rollers arranged in parallel, with spacers or spacers installed between the rollers, which can prevent the tilting of the rollers or the friction between the rollers, which effectively prevents the increase of the rotating torque. Introduction of cylindrical roller bearings Cylindrical rollers and raceways are linear contact bearings. Load capacity, m...
• 07

  2020.05

  Use of ZZ Tapered Roller Bearings

  Tapered roller bearings mainly bear radial and axial combined load.Bearing capacity dependson the raceway Angle of the outer ring, and the larger the Angle, the greater the bearingcapacity.The bearings are separable bearings, which are divided into single column, doublerow and four row tapered roller bearings according to the number of rolling bodies in thebearing.Single row tapered roller bearing clearance needs to be adjus...
• 06

  2020.05

  Performance And Use Of ZZ Bearings

  Spherical Roller Bearings are equipped with drum roller bearings between the inner ring with two raceways and the outer ring with spherical raceways. The center of curvature of the raceway surface of the outer ring is consistent with the center of the bearing, so it has the same self-aligning function as the self-aligning ball bearing. The metal processing WeChat has good content and is worthy of attention. When the shaf...
• 05

  2020.05

  Special Purpose Bearings

  Mixer truck bearing Brief introduction: The bearings of the mixer truck are special bearings, which has a strong load-bearing operating force. The bearings are special bearings for the reducer of the concrete mixer truck. Common classification: 1) Concrete mixer reduction gear bearing 2) Engineering machinery hydraulic pump bearing 3) Partial bearing for grate cooler of cement plant Today's...
• 04

  2020.05

  Knowledge About The Use Of Spherical Roller Bearings

  About accuracy error In the production of large quantities of spherical roller bearings, the adjustment process system such as template, sample, block and master is generally used; in single-piece small batch production, the scale (Scale or gauge block on the machine tool) is usually used for adjustment. Spherical roller bearings have higher rated load, lower noise, greatly reduce warranty costs, increase machine...
• 01

  2020.05

  Can The Inner And Outer Rings Of Cylindrical Roller Bearings Be Interchangeable?

  Cylindrical roller bearings (also called “Cylinder Roller Bearings”)are bearings that use cylinders as rolling elements, unlike balls in ball bearings. In this way, the contact area between the roller and the outer ring is larger (linear), and the load is distributed on a wider surface. Subsequently, they have a relatively high radial load capacity and are suitable for high speeds. Double row cylindrical roller bear...
• 30

  2020.04

  ZZ Bearings for Reducer

  Reducer is a kind of dynamic convey institutions, using the gear speed converter, to reduce the turnover number of power supply to the required number of rotary, and get a bigger torque, speed reducer bearing supporting rotation between the gear axis or in which the role of the connecting rod, because the cylindrical roller bearing can be obtained within the scope of the size of the effective continuous stable support the ro...
• 29

  2020.04

  Has The Bearing been refurbished?Difference and identification method with ZZ Bearing

  Today I will share with you the difference between refurbished bearings and ZZ bearings, and how to distinguish whether the bearings are old bearings after refurbishment when buying bearings.Need Bearing 24034CC/W33 ,click here. The difference between refurbished bearings and good bearings: 1. The size of the bearing after refurbishment has changed. The small outer diameter and large inner diameter can be meas...
• 28

  2020.04

  Spherical roller bearings

  Spherical roller bearings: Roller bearing is one of the rolling bearings, and it is one of the widely used components in modern machinery. It relies on the rolling contact between the main components to support the rotating parts. Roller bearings are now mostly standardized. Roller bearings have the advantages of small torque required for starting, high rotation accuracy, and convenient selection. Roller bear...
• 27

  2020.04

  Several Factors Affecting The Temperature Of Cylindrical Roller Bearing

  Because the bearing is a high-precision product, improper assembly can easily damage the bearing channel, resulting in bearing damage. Cylindrical roller bearings cannot be knocked at random during assembly. They can only be stressed by small rings when pressed into the shaft, and only by large rings when pressed by large rings. Air pressure or hydraulic pressure is required during assembly, and the upper and lower molds s...
• 24

  2020.04

  Internal And External Factors Affecting The Service Life Of Double-Row Cylindrical Roller Bearings

  Bearing size restrictions Usually the space where double row cylindrical roller bearings can be installed is limited. In most cases, the shaft diameter (or bearing inner diameter) is based on mechanical design or other design limitations. Therefore, the choice of bearing type and size is determined according to the inner diameter of the bearing. Therefore, the main size tables of standard bearings are compiled based o...
• 23

  2020.04

  Quality Requirements For ZZ Bearing Appearance

  ZZ Bearing (Shanghai) Co., Ltd quality department has our own criterion for bearing appearance,All of our bearings are following as below: 1. Bearing parts are not allowed to have cracks, sharp edges, burrs and rust;The raceway is not allowed to have the trace of the process;The superfine lines of the inner and outer ring and steel ball face should be uniform, and no abrasions and bruises are allowed. 2. the be...
• 22

  2020.04

  Precautions For Installation of Cylindrical Roller Bearings

  The split bearing unit includes Cylindrical Roller Bearings , bearing seats, bracket seats and some coupling parts.The bearings, bearing seats and bracket seats are all separated by 180 ° in the axial direction, which is easy to install and remove. It is precisely because of the installation and disassembly of the split bearing, which can effectively save the disassembly time, reduce the production cost, and improve th...
• 21

  2020.04

  Full complement cylindrical roller bearings without outer ring

  Full complement cylindrical roller bearings without outer ring Traditional cylindrical roller bearings: Full complement cylindrical roller bearings are designed to withstand heavy loads. At the same width, this type of bearing has a very high load-bearing capacity compared with the traditional type of bearing with a cage. The radial cross-section is small, which can save space, but the speed is relatively low. In ord...
• 20

  2020.04

  Teach You How to Choose Right ZZ Bearings

  There are many types of ZZ bearings , many models, and many applications. When choosing, we should pay attention to the following problems . ZZ bearing accuracy In most cases, it is sufficient to use rolling bearings of general dimensions and rotational accuracy. When the requirements are higher, ZZ bearings require a higher level of accuracy. Non-neutral compensation Misalignment occurs wh...
• 17

  2020.04

  Which Environments Are Likely To Cause Vibration And Friction Problems Of Cylindrical Roller Bearings

  Friction vibration mainly refers to abnormal vibration of rolling bearings. Generally speaking, friction vibration easily occurs on large ball bearings, and it is more likely to occur when grease lubrication is used, especially when the lubrication performance of grease is not good. According to experiments and observations, the technical staff of ZZ Bearing (Shanghai) Co., Ltd. found that the generation of frictional vibration...
• 16

  2020.04

  F- series roller bearings without outer ring

  F-series roller bearings ,also calledfull load cylindrical roller bearingswhichare commonly used for double row full load cylindrical roller bearings without outer ring,Reducer without outer ring single row full loaded cylindrical roller bearings and no outer ring double row full loaded cylindrical roller bearings,Double row full loaded cylindrical roller bearing without outer ring has stronger bearing capacity than s...
• 15

  2020.04

  Have You Encountered Such Early Damage to Tapered Roller Bearings? What's The Reason?

  A netizen asked this question online: " The tapered roller bearing I just bought a few days ago found that the bearing was damaged today, but when I removed the sleeve and found the outer ring, the cage was intact and not damaged. What happened? "I also saw a similar case before. It was a problem that a company discovered after experiments after producing tapered roller bearings. At that time, the bearing was dam...
• 14

  2020.04

  Full complement cylindrical roller bearings without outer ring

  Full complement cylindrical roller bearings without outer ring: Traditional cylindrical roller bearings: The rolling elements are cylindrical roller radial bearings. The internal structure of the cylindrical roller bearing uses rollers arranged in parallel, with spacers or spacers installed between the rollers, which can prevent tilting of the rollers or friction between the rollers, preventing the increase of rota...
• 13

  2020.04

  The Characteristic of ZZ Split Spherical Roller Bearings for Mixing Truck

  In recent years, with the rapid development of the construction industry , the application of cement mixers has become more and more extensive, and the supporting bearings have been a blank in China. Due to the particularity of the working conditions of the bearing, the bearing often works continuously, the axial load is very large, and it is accompanied by impact load. The spherical roller bearing of ordinary structure can...
• 10

  2020.04

  Regular Inspection Of Full Complement Cylindrical Roller Bearings Without Outer Ring

  Full complement cylindrical roller bearings are designed to withstand heavy loads. At the same width, this type of bearing has a very high load-bearing capacity compared with the traditional type of bearing with a cage. The radial cross-section is small, which can save space, but the speed is relatively low. Need bearing 22234CC/W33 , click here. Regular inspection of full complement cylindrical roller bearings is v...
• 09

  2020.04

  Installation Method of Deep Groove Ball Bearings

  Deep Groove Ball Bearings arebearings in which the balls run in a groove between two radial rings. According to the needs of consumers, they come in a variety of sizes, materials and varieties, including special industrial uses, such as high temperature applications. High temperature bearings can withstand temperatures up to 350 °C (660 °F) and are suitable for machines used in the metal industry or industrial ovens...
• 08

  2020.04

  Performance And Characteristics Of Thrust Spherical Roller Bearings

  Thrust spherical roller bearings are the same as spherical roller bearings. The raceway surface of the race is a spherical surface centered on the same point as the central axis of the bearing. This type of bearing roller is spherical, so it has an automatic self-aligning function , Not very sensitive to coaxiality and shaft deflection. The axial load capacity of thrust spherical roller bearings is very large. While bear...
• 07

  2020.04

  Single Row Metric Size Tapered Roller Bearing

  Tapered roller bearings are separate bearings, and the inner and outer rings of the bearings have tapered raceways. This type of bearing is divided into single row, double row and four row tapered roller bearings according to the number of roller rows installed. Single-row tapered roller bearings can withstand radial loads and axial loads in one direction. When the bearing is subjected to a radial load, an axial compo...