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Size from 2mm to 6m Bearings vary in sizes. The smallest “miniature bearing” in the world is with ID 0.6mm× OD 2.0mm× Thickness 0.8mm, which is used in micro motor. The large-size bearing, with an outer diameter of 6m and a weight of more than 15 tons, is used in the large shield machine for tunneling. This kind of large bearing is used when excavating the cross sea tunnel under the Dover strait connecting Britain and Fran...
With the wide application of PWM and IGBT in motor, the problems caused by electromagnetic damage such as electric corrosion of bearing are more and more prominent. What causes electromagnetic damage of bearing? Common mode voltage is the main cause electromagnetic damage. When the bearing is running at high speed, there will be a fluid oil with strong insulation between the roller and the inner & outer raceways. Due to the constant...
A casual visitor was called Novel Coronavirus when we were preparing to celebrate the Spring Festival in January 2020. Because of it, billions of people in our country could not go out, the malls were all closed. Many medical personnels rushed to the front line of the battlefield, here we show our most sincerety to all the medical staff and volunteers who rushed to the front line. Although the epidemic is terrible, lovely Chinese people...
What is the preload of crossed roller bearings? Generally, rolling bearings have a certain clearance under working conditions. However, in order to achieve a specific purpose, when the cross roller bearing is assembled, apply a certain internal load through adjustment of the clearance to achieve negative clearance. This method is called preload. What are the benefits of preload of crossed roller bearings? 1.Improve the Rotation Accuracy...
Since bearings are metallic products they rust easily. So their treatment requires certain precautions. 1. When handling bearings, use finger caps, pincers or gloves that do not generate cotton fibers. 2. When you must use naked fingers, first make sure they are clean and free from perspiration and dust. Then apply a quality mineral oil to the fingertips before touching the bearings. Do not use hand cream, as it may induce rust. 3. If a...
The performance of ball bearings can be critically affected by minute particles. Particles as small as 0.005mm can cause problems. To prevent such problems, we use a class 1,000 clean room throughout our bearing assembly operation. “Keeping bearings clean” is the most important rule of bearing use. Avoid exposing bearings to any environment where particles may be present. Once inside a bearing, such particles can cause racew...
Although 2019 was a tough year, TBB have made a lot of achievements with our efforts. We hope in 2020 TBB will win customers’ heart with TBB professionalism, and make greater achievements. In the coming May, TBB will join 2020 China International Bearing Industry Exhibition. We will be there waiting for you!...
After offering we heard many times voice of “Your price is too high” or “Our current price is 50% lower than yours ” …You have explained to customer that how good quality your product is, showed your testing reports with thousands times, because you know clearly the difference between products of different price level. How do you prove it? Yes, taken inspection for these different products is a good method . TBB did so.How...
5 Reasons to Choose TBB Needle Roller Bearing 1. Years of focusing on bearing, quality guaranteed Estabilished for many years since 1998 and is a professional supplier of bearings With an annual output of tens of millions of bearings, the production capacity is sufficient 2. Strict production process Recognized by many famous companies in the world, such as Bonfiglioli, Iveco, Cummins, Carraro, etc. Bearing accessories for w...
Gearboxes are used in a very wide range of industrial fields. Thanks to the use of gearboxes, a small rotation force (torque) can be used to produce a much greater rotation force, and a slow rate of revolution can be speeded up. In many industries, the gearbox, which is the equipment that transmits mechanical power, is an essential piece of equipment. This step-up unit is the: heart of a wind turbine transmission in an automobile the re...
