Product Description
The rings and balls of all-ceramic deep groove ball bearings are made of silicon nitride (Si3N4) ceramic material. This bearing can be designed as a full ball or with PTFE, PEEK or stainless steel 304/316 cage. PTFE is the default standard cage.
Full ceramic deep groove ball bearings have the characteristics of non-magnetic and electrical insulation, wear-resistant and corrosion-resistant, oil-free and self-lubricating, high temperature and cold resistance, and can be used in extremely harsh environments and special working conditions. It can be used in high temperature environment above 400ºC under the condition of full ball or equipped with stainless steel 316 cage. The PEEK cage can also be used at temperatures above 250°C. For CZPT temperatures (for example, lower than -70°C), full ceramic bearings with PTFE cages or stainless steel 316 cages can be used. Normally, the normal radial clearance is C0. When it is necessary to adapt to the extreme environment, other clearances can be customized.
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 | 0.571 | 0.013 | |
7300 | 35 | 11 | 0.6 | 0.3 | 15 | 30 | 0.6 | 0.04 | 0.571 | |
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 | 0.571 | 0.015 | |
7301 | 37 | 12 | 1 | 0.6 | 18 | 31 | 1 | 0.046 | 0.571 | |
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 | 0.571 | 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 | 0.571 | |
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 | 0.571 | 0.015 |
7004 | 42 | 12 | 0.6 | 0.3 | 25 | 37 | 0.6 | 0.052 | 0.571 | |
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 | 0.571 |
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 |
7571 | 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 |
7571 | 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 |
About us
ZheJiang REET BEARING.CO.,LTD is a professional bearing manufacturer and exporter.
We have a wealth of technical.All producing processes are finished in our manufactory. As an ISO9001:2000 certified manufacturer,we will solve various problems in application and use of our bearings.
Our company is an authorized distributor of FAG, INA, CZPT and other world brand bearings.Our company has the right to self-export bearings and launches its own brand RTB.
Our bearing had been exported to more than 20 countries worldwide and are warmly welcomed.
We are looking forward to your order.
FAQ
1.Is the company a production factory or a trading company?
ZheJiang REET BEARING CO.,LTD is a manufacturing enterprise focusing on bearings and integrating research, production and sales.
2.How many the MOQ of your company?
Depending on the size of the bearing, the MOQ is variable, if you are interested, you can contact me for a quote.
3.Does the company accept OEM or customized bearings?
In addition to standard products, we also supply non-standard and modified standard products for special application. Meanwhile, we provide OEM service.
4.Can the company provide free samples?
We can provide samples for free. You only need to provide shipping.
5.What are the company’s delivery terms?
We can accept EXW,FOB,CFR,CIF,etc. You can choose the 1 which is the most convenient cost effective for you.
Contact Angle: | 15° |
---|---|
Aligning: | Aligning Bearing |
Separated: | Separated |
Rows Number: | Single |
Load Direction: | Radial Bearing |
Material: | Ceramic |
Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
---|
Customization: |
Available
| Customized Request |
---|
Agricultural Parts – The Best Metal for Agricultural Implements
Agricultural parts are used in almost every stage of cultivation and livestock management. The best metal for agricultural implements is steel. Agricultural equipment manufacturers are constantly trying to improve their products to better suit the needs of the farmer. In addition, they want to reduce the cost of repair. However, repairs on agricultural equipment are the responsibility of the farmer.
Steel is the best metal for agricultural implements
Choosing the right metal for agricultural implements can be tricky. There are different factors to consider, such as strength, elasticity, corrosion resistance, and ease of processing. All of these can seem to conflict with one another. However, steel has proven to be the best choice for agricultural equipment.
The metal is durable, affordable, and flexible. It can be customized to suit the characteristics of the agricultural equipment. It is also available in many grades, shapes, and thicknesses.
In addition, steel is environmentally friendly. It is resistant to chemicals and pesticides. It also maintains its integrity across a wide range of outdoor temperatures. It is also rust-resistant.
In addition to its strength, boron steel is also heat-resistant. It is also abrasion-resistant. Boron steel is used in agricultural machinery, chemical equipment, and other industrial units.
It is also highly corrosion-resistant. Agricultural processes are often exposed to harsh chemicals, dirt, and heat. Its low maintenance is also a good reason for farmers to use it.
The boron steel used for agricultural equipments also has the added benefit of an ultra-hard compound. It is used in the working parts of soil tillage machines. It is also used in food processing equipment.
The boron technology is a very effective way to prevent abrasive wear. It also increases the strength of the working parts of the agricultural equipments.
Modern farming is a very industrialized business. This is evident by the fact that most farm implements are made of low-alloy steel.
Technology has greatly shaped agriculture throughout time
Throughout history, technology has shaped agriculture, in both good and bad ways. It has been the catalyst of modernization and globalization. It has made travel and communication easier, increased business and education, and facilitated the building of cities.
There are several technological achievements that have made farming easier and more profitable. For example, genetic engineering is the way to go for many crops. Genetic modification makes crops more resistant to pests and weather, and preserves soil. Other advances include soilless farming methods and improved drip irrigation.
The most obvious benefit of modern agricultural technologies is the ability to produce more food with less labour. Precision farming also allows farmers to better care for their livestock. Many barns nowadays are equipped with Wi-Fi and automated feed systems. In addition, farmers can adjust the temperature in their barns using their smartphones.
There is no doubt that agriculture has undergone a paradigm shift in the last 50 years. In particular, the agricultural machinery and powered machinery have streamlined the mundane and transformed the way farmers operate. This is especially true for large scale farming.
Agricultural technology has improved the most mundane of farming tasks, such as weeding and watering. However, it has also led to new innovations in agriculture, such as genetically modified crops. Genetically modified crops are also known to conserve water and reduce carbon emissions.
The most important thing to remember about the aforementioned technological feats is that they have a cost. While it may be expensive to upgrade a whole farm, investing in a few technological breakthroughs can help farmers to achieve their goals and minimize problems along the way.
COVID-19 has been the biggest catalyst to supply chain breakdowns for farm equipment manufacturers
Among the most damaging effects of the COVID-19 pandemic has been the supply chain breakdowns in the farm equipment industry. According to a survey conducted by the Assn. of Equipment Manufacturers, 105 respondents weighed in on the effects of the pandemic on their business and industry.
The survey found that seven out of 10 executives have experienced a moderate impact on their supply chain. A quarter of respondents reported that the impact was extremely negative. AEM’s members are leading the industry’s response to the pandemic and are working with federal and state officials to mitigate its spread.
While the effects of the pandemic are still being felt worldwide, the U.S. economy is showing signs of recovery. However, there are still significant disruptions in the supply chain.
One reason why equipment manufacturers have been able to lead the country’s recovery is because of the efforts they’ve made to protect their employees. Most equipment requires hundreds of different components. Many manufacturers are stepping up to help keep employees safe by expediting raw materials and providing incentives to stay on the job.
However, even though the economy is improving, labor shortages are expected to persist. This is a problem that could amplify the imbalance among channels.
Some companies have been bringing back mothballed production lines to service and focusing on just-in-time delivery of raw materials and component parts. Some companies have also increased e-commerce sales and engaged new suppliers.
Intercropping prevents moisture loss and soil erosion
Agricultural practices such as intercropping are a key part of preventing moisture loss and soil erosion. It has been practiced for thousands of years, especially in temperate regions. However, the industrialization of agriculture in the 20th century led to the abandonment of intercropping in developed countries. The interest in organic farming has led First World farmers to return to intercropping.
In addition to reducing moisture loss and soil erosion, intercropping can also help to increase drought resistance. For example, intercropping maize with legumes can increase the soil moisture during peak rainfall. This improves soil hydrology and fertility, resulting in improved crop growth and yields.
The most effective crops to use for reducing soil erosion are legumes. Legumes have a dense root system and have a good canopy cover to protect the soil from the erosive effects of rainfall.
Soil erosion is a serious threat to agricultural sustainability. The amount of eroded soil directly deposited into reservoirs and beaches is approximately 29 percent of total soil erosion. In addition, more than half of eroded soil is transported by runoff. Agricultural practices that accelerate the erosion process must be reduced to avoid negative impacts on productivity.
In early experiments, researchers evaluated the effects of mixed cropping systems. They also investigated the interactions of different agricultural species. In a study on maize, Smith et al. found that legumes can meet protein needs in maize systems without increasing inputs.
Farmers use machines in almost every stage of cultivation and livestock management
Using machines in almost every stage of the agriculture cycle is no small feat. Most farmers still follow the old fashioned model of handpicking, shoveling, and baling. A modern day farmer could grow one thousand acres of corn. One may have a hard time keeping up with the herds on such a large scale. Some farmers have taken the lead in the modern era and are utilizing high tech solutions to their farming woes.
While many are still clinging to old school methods, modern day breeders and farmers have found the best way to produce high quality livestock is to modernize their facilities. Machines such as those pictured below are a boon to farmers and livestock alike. Machines such as these have also revolutionized the way farmers harvest crops. Machines such as these allow farmers to work the dirt with less abrasion and more precision. Many farmers are using machines to help with manure management, crop rotation, and weed control. Some have also tapped into the technology incorporated in these machines to enhance animal welfare. Some farmers are using technology such as these to make animal identification quicker and easier. Some farmers have even incorporated drones into their operations. Using drones in animal management has many benefits. Farmers are able to keep an eye on a small herd, reduce stress on a large herd, and improve the overall quality of the animals they produce.
editor by CX
2023-04-14