Slewing bearings usually have a diameter ranging from 0.2 to 10 meters. They consist of mounting holes, internal or external ring gears, lubricating oil holes, and sealing devices. The mounting holes are divided into through holes and threaded holes. Different for different industries The slewing bearing has a variety of structural types to meet its requirements, and can meet the needs of the main engine function with different manufacturing accu...

Slewing Bearing, also known as slewing ring bearing, turntable bearing, slewing ring, etc, is widely used in modern industries. Types of Slewing Bearing Single-row ball type (01 series, HS series, Q series)Double-row ball type (02 series)Three-row roller type (13 series)Single-row cross roller type (11 series)Double-row ball type (07 series) )Light and non-standard specifications series slewing bearing Manufacturing Processing Raw material inspec...

Its construction is simple and cost-effective. The N/O linear guideway assumes the task of being the lateral linear guideway for the table. As the surface guideway is adjusted level with the N/O, the linear guideway systems can be interchanged – depending on whether the grinding  spindle is mounted to the right or left....

The majority of angular contact bearings use phenolic type cages and these are exceptional good for a wide range of conditions and particularly for high-speed since they are outer ring located. However, there are advantages to using TYN cages in certain applications, particularly in grease lubrication. TYN is a polyamide material and this cage is designed to be ball guided. Reduced Cage Noise In certain applications cage noise can occur in grease...

No one knows who invented the planetary gearbox, but it has been in use since the 15th century.Planetary Gearboxes is an old mechanics fundamental that is still being used for new eading innovative technology like 3D printing, and new methods of transport. Planetary gearbox consist of an internal toothed ring gear to which are set 3 planets mounted on the planet carrier engaging also with the sun gear and reduced output speed is taken through pla...

Bearing Suffix Conclusion

/..: Standardized rolling bearings with uncoded inner diameters A: Single row angular contact ball bearing with 30° contact angle AC: Single row angular contact ball bearing with 25° contact angle ACD: Single row angular contact ball bearing, optimised internal design, 25° contact angle ADA: Double row full complement cylindrical roller bearing with wide snap ring grooves in outer ring, two inner ring halves held together by U-shaped...

Electric Motor Bearing
Bearing knowledge / 2020-05-14

Key Factors of Electric Motor Bearing Design –Outline dimensions–Load size and direction–Speed requirements, constant/variable/high–Material of motor shaft and housing–Power take-off transmission form–Motor installation form–Vibration level requirements–Noise level requirements–Temperature requirements–Bearing life–Lubrication form–Maintenance–Condition mon...

TBB newly developed needle roller bearing for hydraulic pump

From the elevator you take at work to the dump truck you see rolling by on the street, hydraulics are everywhere. But hydraulic machines are nothing without their hydraulic pumps.The hydraulic pump is the component of the hydraulic system that takes mechanical energy and converts it into fluid energy in the form of oil flow. This mechanical energy is taken from what is called the prime mover (a turning force) such as the power take-off ...

A Readme from a Bearing
Funny / 2020-04-28

I was once a piece of iron Coming through a great deal of difficulties Smelting from iron ore Until the billet is formed Continuously quenching from lots of processes Built me an indomitable and undaunted spirit And was toughened and hardened into steel. I have thought it would be free of suffering from now on But with a big BANG I was thrown into the furnace again The burning of fire The beating of a hammer Forged me into a ring That m...

Four-Point Contact Ball Bearing
Bearing knowledge / 2020-04-23

Design Variants To allow the bearings to accept the maximum number of balls, four point contact ball bearings are designed with split inner ring or with split outer ring so these bearings have two basic types, one is featured two half inner ring(QJ series), the other is featured two half outer ring(QJF series). TBB four point contact ball bearings have the contact angle of 35°. We can both provide QJ series and QJF series on request. T...

TBB News Channel–Sharing the world
Industry News / 2020-04-20

The PTC (Power Transmission and Control) Asia is an international trade fair for power transmission and control, which takes place once a year in Shanghai. Since its foundation in 1991 it has established itself as the most important trading platform of the industry and for many international companies it is the basis for their entry into the Chinese market expecting enormous growth rates during the coming years. The exhibition is divide...

NSK develops ultra-high-speed ball bearing for EV motors

NSK has developed a new ultra-high-speed bearing ideal for electric vehicles, including battery electric, hybrid, and other new energy vehicles. The new bearing enables electric motors to operate at higher speeds, improving fuel economy (reducing power consumption per unit distance), increasing maximum vehicle range, and contributing to enhanced user comfort. NSK is targeting 10 billion yen in sales by 2030. 1. Development Background Pr...

Bearings World from Figures
Bearing knowledge / 2020-04-13

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...

PWM Frequency Modulation Motor Bearing

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...

Funny Collection in China during the Epidemic COVID-19
Funny / 2020-03-30

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...