China manufacturer Plastic/Slewing/Motorcycle/Wheel Hub/Spherical/Water Pump/Hub Unit/Angular Contact Ball/NSK Handpiece Bearing/Agricultural Machinery/Auto Parts 7214 near me shop

Solution Description

The rings and balls of all-ceramic deep groove ball bearings are produced of silicon nitride (Si3N4) ceramic substance. This bearing can be made as a entire ball or with PTFE, PEEK or stainless steel 304/316 cage. PTFE is the default standard cage.
Total ceramic deep groove ball bearings have the traits of non-magnetic and electrical insulation, use-resistant and corrosion-resistant, oil-totally free and self-lubricating, large temperature and chilly resistance, and can be employed in very harsh environments and special operating situations. It can be utilized in large temperature setting over 400ºC underneath the situation of entire ball or geared up with stainless steel 316 cage. The PEEK cage can also be utilised at temperatures earlier mentioned 250°C. For CZPT temperatures (for case in point, reduce than -70°C), total ceramic bearings with PTFE cages or stainless metal 316 cages can be utilized. Generally, the regular radial clearance is C0. When it is necessary to adapt to the excessive setting, other clearances can be tailored.

About us
ZheJiang REET BEARING.CO.,LTD is a specialist bearing maker and exporter.
We have a wealth of technical.All creating processes are concluded in our manufactory. As an ISO9001:2000 licensed producer,we will solve a variety of troubles in application and use of our bearings. 
Our firm is an licensed distributor of FAG, INA, CZPT and other globe model bearings.Our business has the correct to self-export bearings and launches its possess brand RTB.
Our bearing had been exported to a lot more than 20 nations around the world worldwide and are warmly welcomed.
We are looking forward to your get.
FAQ

one.Is the company a manufacturing manufacturing facility or a trading company?
ZheJiang REET BEARING CO.,LTD is a producing enterprise focusing on bearings and integrating research, manufacturing and sales.

two.How many the MOQ of your business?
Based on the dimension of the bearing, the MOQ is variable, if you are fascinated, you can make contact with me for a estimate.

three.Does the firm acknowledge OEM or custom-made bearings?
In addition to standard items, we also supply non-common and modified standard products for special application. In the meantime, we give OEM provider.

4.Can the business offer free of charge samples?
We can offer samples for cost-free. You only need to have to offer shipping.

five.What are the firm’s supply conditions?
We can take EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most hassle-free cost efficient for you.
 

model size(mm)   Installation size (mm) weight weight
da Da ra (kg) (kg)
d D B r(min)  r1(min) min max max ZrO2 Si3N4
7900 10 22 6 0.3 0.15 12.5 19.5 0.3 0.007 0.0038
7000 26 8 0.3 0.15 12.5 23.5 0.3 0.014 0.0075
7200 30 9 0.6 0.3 15 25 0.6 0.025 0.013
7300 35 11 0.6 0.3 15 30 0.6 0.04 0.022
7901 12 24 6 0.3 0.15 14.5 21.5 0.3 0.008 0.0042
7001 28 8 0.3 0.15 14.5 25.5 0.3 0.017 0.0092
7201 32 10 0.6 0.3 17 27 0.6 0.028 0.015
7301 37 12 1 0.6 18 31 1 0.046 0.025
7902 15 28 7 0.3 0.15 17.5 25.5 0.3 0.012 0.0063
7002 32 9 0.3 0.15 17.5 29.5 0.3 0.024 0.013
7202 35 11 0.6 0.3 20 30 0.3 0.035 0.019
7302 42 13 1 0.6 21 36 1 0.064 0.035
7903 17 30 7 0.3 0.15 19.5 27.5 0.3 0.013 0.0071
7003 35 10 0.3 0.15 19.5 32.5 0.3 0.032 0.017
7203 40 12 0.6 0.3 22 35 0.6 0.052 0.028
7303 47 14 1 0.6 23 41 1 0.087 0.047
7904 20 37 9 0.3 0.15 22.5 34.5 0.3 0.028 0.015
7004 42 12 0.6 0.3 25 37 0.6 0.052 0.028
7204 47 14 1 0.6 26 41 1 0.082 0.045
7304 52 15 1.1 0.6 27 45 1 0.11 0.06
7905 25 42 9 0.3 0.15 27.5 39.5 0.3 0.032 0.018
7005 47 12 0.6 0.3 30 42 0.6 0.061 0.033
7205 52 15 1 0.6 31 46 1 0.099 0.054
7305 62 17 1.1 0.6 32 55 1 0.18 0.098
7906 30 47 9 0.3 0.15 32.5 44.5 1 0.04 0.022
7006 55 13 1 0.6 36 49 1 0.089 0.048
7206 62 16 1 0.6 36 56 1 0.15 0.083
7306 72 19 1.1 0.6 37 65 1 0.27 0.14
7907 35 55 10 0.6 0.3 40 50 0.6 0.058 0.031
7007 62 14 1 0.6 41 56 1 0.12 0.063
7207 72 17 1.1 0.6 42 65 1 0.22 0.12
7307 80 21 1.5 1 44 71 1.5 0.36 0.19
7908 40 62 12 0.6 0.3 45 57 0.6 0.09 0.05
7008 68 15 1 0.6 46 62 1 0.15 0.08
7208 80 18 1.1 0.6 47 73 1 0.28 0.15
7308 90 23 1.5 1 49 81 1.5 0.49 0.27
7909 45 68 12 0.6 0.3 50 63 0.6 0.097 0.053
7009 75 16 1 0.6 51 69 1 0.19 0.1
7209 85 19 1.1 0.6 52 78 1 0.32 0.175
7309 100 25 1.5 1 54 91 1.5 0.64 0.345
7910 50 72 12 0.6 0.3 55 67 0.6 0.1 0.06
7010 80 16 1 0.6 56 74 1 0.2 0.11
7210 90 20 1.1 0.6 57 83 1 0.35 0.19
7310 110 27 2 1 60 100 2 0.82 0.44
7911 55 80 13 1 0.6 61 74 1 0.15 0.08
7011 90 18 1.1 0.6 62 83 1 0.29 0.16
7211 100 21 1.5 1 64 91 1.5 0.48 0.26
7311 120 29 2 1 65 110 2 1.05 0.57
7912 60 85 13 1 0.6 66 79 1 0.15 0.08
7012 95 18 1.1 0.6 67 88 1 0.32 0.17
7212 110 22 1.5 1 69 101 1.5 0.6 0.33
7312 130 31 2.1 1.1 72 118 2 1.32 0.72
7913 65 90 13 1 0.6 71 84 1 0.17 0.09
7013 100 18 1.1 0.6 72 93 1 0.34 0.18
7213 120 23 1.5 1 74 111 1.5 0.77 0.42
7313 140 33 2.1 1.1 77 128 2 1.62 0.88
7914 70 100 16 1 0.6 76 94 1 0.27 0.15
7014 110 20 1.1 0.6 77 103 1 0.47 0.25
7214 125 24 1.5 1 79 116 1.5 0.84 0.45
7314 150 35 2.1 1.1 82 138 2 1.98 1.07
7915 75 105 16 1 0.6 81 99 1 0.28 0.15
7015 115 20 1.1 0.6 82 108 1 0.5 0.27
7215 130 25 1.5 1 84 121 1.5 0.92 0.5
7916 80 110 16 1 0.6 86 104 1 0.3 0.16
7016 125 22 1.1 0.6 87 118 1 0.67 0.36
7216 140 26 2 1 90 130 2 1.09 0.59
7017 85 130 22 1.1 0.6 92 123 1 0.71 0.38
7217 150 28 2 1 95 140 2 1.35 0.73
7918 90 125 18 1.1 0.6 97 118 1 0.45 0.24
7018 140 24 1.5 1 99 131 1.5 0.92 0.5
7919 95 130 18 1.1 0.6 102 123 1 0.46 0.25
7019 145 24 1.5 1 104 136 1.5 0.95 0.51
7920 100 140 20 1.1 0.6 107 133 1 0.64 0.35
7020 150 24 1.5 1 109 141 1.5 0.99 0.54
7921 105 145 20 1.1 0.6 112 138 1 0.66 0.36
7922 110 150 20 1.1 0.6 117 143 1 0.69 0.37
model size(mm)   Installation size (mm) weight weight
da Da ra (kg) (kg)
d D B r(min)  r1(min) min max max ZrO2 Si3N4
7900 10 22 6 0.3 0.15 12.5 19.5 0.3 0.007 0.0038
7000 26 8 0.3 0.15 12.5 23.5 0.3 0.014 0.0075
7200 30 9 0.6 0.3 15 25 0.6 0.025 0.013
7300 35 11 0.6 0.3 15 30 0.6 0.04 0.022
7901 12 24 6 0.3 0.15 14.5 21.5 0.3 0.008 0.0042
7001 28 8 0.3 0.15 14.5 25.5 0.3 0.017 0.0092
7201 32 10 0.6 0.3 17 27 0.6 0.028 0.015
7301 37 12 1 0.6 18 31 1 0.046 0.025
7902 15 28 7 0.3 0.15 17.5 25.5 0.3 0.012 0.0063
7002 32 9 0.3 0.15 17.5 29.5 0.3 0.024 0.013
7202 35 11 0.6 0.3 20 30 0.3 0.035 0.019
7302 42 13 1 0.6 21 36 1 0.064 0.035
7903 17 30 7 0.3 0.15 19.5 27.5 0.3 0.013 0.0071
7003 35 10 0.3 0.15 19.5 32.5 0.3 0.032 0.017
7203 40 12 0.6 0.3 22 35 0.6 0.052 0.028
7303 47 14 1 0.6 23 41 1 0.087 0.047
7904 20 37 9 0.3 0.15 22.5 34.5 0.3 0.028 0.015
7004 42 12 0.6 0.3 25 37 0.6 0.052 0.028
7204 47 14 1 0.6 26 41 1 0.082 0.045
7304 52 15 1.1 0.6 27 45 1 0.11 0.06
7905 25 42 9 0.3 0.15 27.5 39.5 0.3 0.032 0.018
7005 47 12 0.6 0.3 30 42 0.6 0.061 0.033
7205 52 15 1 0.6 31 46 1 0.099 0.054
7305 62 17 1.1 0.6 32 55 1 0.18 0.098
7906 30 47 9 0.3 0.15 32.5 44.5 1 0.04 0.022
7006 55 13 1 0.6 36 49 1 0.089 0.048
7206 62 16 1 0.6 36 56 1 0.15 0.083
7306 72 19 1.1 0.6 37 65 1 0.27 0.14
7907 35 55 10 0.6 0.3 40 50 0.6 0.058 0.031
7007 62 14 1 0.6 41 56 1 0.12 0.063
7207 72 17 1.1 0.6 42 65 1 0.22 0.12
7307 80 21 1.5 1 44 71 1.5 0.36 0.19
7908 40 62 12 0.6 0.3 45 57 0.6 0.09 0.05
7008 68 15 1 0.6 46 62 1 0.15 0.08
7208 80 18 1.1 0.6 47 73 1 0.28 0.15
7308 90 23 1.5 1 49 81 1.5 0.49 0.27
7909 45 68 12 0.6 0.3 50 63 0.6 0.097 0.053
7009 75 16 1 0.6 51 69 1 0.19 0.1
7209 85 19 1.1 0.6 52 78 1 0.32 0.175
7309 100 25 1.5 1 54 91 1.5 0.64 0.345
7910 50 72 12 0.6 0.3 55 67 0.6 0.1 0.06
7010 80 16 1 0.6 56 74 1 0.2 0.11
7210 90 20 1.1 0.6 57 83 1 0.35 0.19
7310 110 27 2 1 60 100 2 0.82 0.44
7911 55 80 13 1 0.6 61 74 1 0.15 0.08
7011 90 18 1.1 0.6 62 83 1 0.29 0.16
7211 100 21 1.5 1 64 91 1.5 0.48 0.26
7311 120 29 2 1 65 110 2 1.05 0.57
7912 60 85 13 1 0.6 66 79 1 0.15 0.08
7012 95 18 1.1 0.6 67 88 1 0.32 0.17
7212 110 22 1.5 1 69 101 1.5 0.6 0.33
7312 130 31 2.1 1.1 72 118 2 1.32 0.72
7913 65 90 13 1 0.6 71 84 1 0.17 0.09
7013 100 18 1.1 0.6 72 93 1 0.34 0.18
7213 120 23 1.5 1 74 111 1.5 0.77 0.42
7313 140 33 2.1 1.1 77 128 2 1.62 0.88
7914 70 100 16 1 0.6 76 94 1 0.27 0.15
7014 110 20 1.1 0.6 77 103 1 0.47 0.25
7214 125 24 1.5 1 79 116 1.5 0.84 0.45
7314 150 35 2.1 1.1 82 138 2 1.98 1.07
7915 75 105 16 1 0.6 81 99 1 0.28 0.15
7015 115 20 1.1 0.6 82 108 1 0.5 0.27
7215 130 25 1.5 1 84 121 1.5 0.92 0.5
7916 80 110 16 1 0.6 86 104 1 0.3 0.16
7016 125 22 1.1 0.6 87 118 1 0.67 0.36
7216 140 26 2 1 90 130 2 1.09 0.59
7017 85 130 22 1.1 0.6 92 123 1 0.71 0.38
7217 150 28 2 1 95 140 2 1.35 0.73
7918 90 125 18 1.1 0.6 97 118 1 0.45 0.24
7018 140 24 1.5 1 99 131 1.5 0.92 0.5
7919 95 130 18 1.1 0.6 102 123 1 0.46 0.25
7019 145 24 1.5 1 104 136 1.5 0.95 0.51
7920 100 140 20 1.1 0.6 107 133 1 0.64 0.35
7020 150 24 1.5 1 109 141 1.5 0.99 0.54
7921 105 145 20 1.1 0.6 112 138 1 0.66 0.36
7922 110 150 20 1.1 0.6 117 143 1 0.69 0.37

Overview of Different Types of Pulleys

A pulley is a wheel mounted on a shaft or shaft. Its purpose is to facilitate the movement or change of direction of the cable or taut rope, and to transmit power between the cable and the shaft. Pulleys are typically used for lifting, winding or forklift applications. If you are building your own pulley system, the following design and installation considerations should be followed. This article will give you an overview of the different types of pulleys.
pulley

Pulley System Mechanics

There are many different ways to utilize the mechanism of the pulley system. The most basic pulley system consists of a fixed wheel and a support frame. Both components are connected by ropes or cables used to support the load. A pulley system is effective when the force required to lift the load is less than the weight of the object being lifted.
One way to use a pulley system is to suspend a block with a mass of 0.80 kg on a fixed pulley. Then another person can hang a bucket weighing up to 40kg. The weight of the bucket is transferred to the fixed pulley. The rope is attached to the pulley by a loop or sling. The rope will spin and pull on the barrel or block.
The pulley system is also an important tool for lifting heavy objects. Pulleys are often used in construction equipment to make lifting heavy objects easier. Gun tackles, yard tackles, and stationary tackle systems are common examples of these devices. They use the mechanical advantage of the design to guide the force that lifts the object. If you want to learn more about pulley systems, visit Vedantu. This website will provide you with a full description of the mechanism and its application.

Types of pulleys

Many different types of pulleys are used to lift heavy objects. They change the direction of the force and are an integral part of the cable system. Therefore, pulleys can move large and heavy objects more easily. However, before buying a pulley, you should have an idea of ​​the benefits it brings. Below are some of the most common uses for pulleys.
Conical Pulley: Consists of several small conical pulleys connected to each other. The larger base of one pulley is used to guide the force. Round pulleys are used in the same way as step pulleys. They are widely used in industry and can be purchased at any hardware store. Pulleys are a huge investment, and the benefits they provide far outweigh the cost.
Movable Pulls: These are similar to their names, but work by allowing objects to move with the pull. Their movable parts are attached to the object to be lifted. They are also ideal for lifting heavy loads and can be found in utility elevators and construction cranes. They are also used in many other industries. They can also be made of wood, plastic or metal. The type of pulley you use depends on its intended use.

Mechanical Advantages of Pulley Systems

A pulley system is a simple machine that reduces the effort required to lift heavy loads. This mechanical advantage is proportional to the number of loops. For example, if you have a single rope loop, you must apply equal force to lift the weight. When you add another rope loop, you can lift heavier weights just by applying the same force. Therefore, a pulley system is an excellent way to use gravity to your advantage.
Mechanical advantage is a measure of the effectiveness of a pulley system. This ratio of force to work is called the mechanical advantage. In other words, if the rope system has a large mechanical advantage, it means that it requires less force to lift heavier loads. This advantage is usually measured in kilograms and is the same for all pulley systems. In general, the greater the mechanical advantage, the less effort is required to lift the load.
The mechanical advantage of a pulley system is that a single movable pulley requires half the force to lift an object than a single fixed pulley. Assuming frictionless bearings, the MA of a single pulley system is 2, similar to the MA of a single lever. A single pulley travels twice as much as it takes to move heavy objects manually.
pulley

Considerations when designing and installing a pulley system

The capacity of the pulley depends on the type and diameter of the cable. Besides its diameter, its sheath should also support it well. The basic function of the pulley is also important. However, most people tend to ignore the pulley selection process, resulting in ineffective load-pull capabilities. To avoid such problems, different parameters must be carefully considered during design and installation.
During the design and installation of the pulley system, the ratio of the cable diameter to the largest pulley diameter must be considered. Those who work in the industrial sector will have an idea of ​​this ratio. The greater the D:d ratio, the greater the capacity of the cable to withstand the load. The best way to ensure secure design is to take the right information and use it to design a system that is both robust and secure.
When designing a pulley system, it is important to remember that the pulley needs to have enough power to operate safely. In addition to horsepower, the belt should have sufficient elongation to absorb shock loads. If the elongation of the belt is very small, it is very likely that the teeth will be sheared or broken, causing serious damage to the system. Extensive belt sag should be compensated for by offsetting the driven pulley. Finally, the frame supporting the pulley should be rigid. Otherwise, the non-rigid frame will cause center distance and tooth skipping changes.

Add more pulleys to the system

Adding more pulleys to the spool might have some effect. The friction between the rope and the pulley increases with the number of pulleys, which in practice limits the number of spools. The best solution is to combine the pulleys into one housing. If the load is small enough, adding a few pulleys probably won’t make a difference.
Using multiple pulleys allows a single load to be lifted with half the force required. The longer the rope, the greater the mechanical advantage. In fact, a spool can withstand a load of 100 N. Additionally, adding more pulleys quadrupled the mechanical advantage. In this case, a single 100 N load would require a force of 25 Newtons.
When the rope is used, it stretches as the weight of the object increases. This will make the rope longer, increasing its length and increasing the distance over which the load can be lifted. Eventually, the rope will break and the lifted object will fall. Then you will have to buy a new rope. It may seem like an expensive proposition, but it pays off in the long run.

cast iron pulley

Cast iron pulleys are the most popular choice among industrial users. They are made of solid cast iron and usually cost very little. Their rims are held in place by a mesh that extends from a central boss. They also have spokes and arms that hold them in place. These pulleys are ideal for a variety of applications including fan belts, compressors and conveyors.
V-groove drive pulleys are ideal for general purpose pulleys. It has an inner diameter of one inch and is commonly used in feeders and ventilation curtain systems. Its steel straps prevent rust and ensure it meets or exceeds industry standards. 3-1/2″ cast iron pulleys are also available. In addition to the V-groove drive pulley, there are similar pulleys for power transmission. The V-groove drive pulley is powder coated for added durability.
The cross section of the arm is elliptical, with the long axis twice as long as the short axis. The radius of the arm is equal to the diameter of the pulley. The thickness of the arm is a key factor to consider when purchasing a pulley. If you’re not sure which material you need, you can always consider wooden or steel pulleys. They are lighter and have a higher coefficient of friction than metal pulleys.
pulley

timing pulley

Plastic timing pulleys have many advantages over steel timing pulleys. On the one hand, they are lightweight and corrosion resistant, making them ideal for applications that do not require high torque and tensile strength. Another benefit is their resistance to high temperatures. Plastic timing pulleys are ideal for applications involving flammable gases, solvents or particles. They can last for many years. For more information on the different types of plastic timing pulleys.
Vertical shaft drives require flanged timing pulleys. For large span drives, at least one of these pulleys must be flanged. The flange provides a secure connection to the shaft and prevents ratcheting of the timing belt. Finally, HTD timing belt teeth prevent timing belt ratcheting. These teeth need a large enough space to be seated. However, they can also cause a backlash. These pulleys are not suitable for applications where positional accuracy is critical.
Timing belt systems are designed to avoid such problems. The drive shaft and the driven shaft are aligned with each other. The pulleys are located on different planes and are connected by pitch lines. The pitch line of the timing pulley coincides with the pitch line of the belt. These pulleys are also easier to implement and maintain. It is better to use a synchronous system because the resulting gear system emits less noise than other systems.