Textile Machinery bearings Textile bearing

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Specification of Textile Machinery bearings:


Bearings for textile machinery are generally used under severe working conditions that require long service life, heavy loading capacity, high rotation speed, low noise , and stable operations, the bearings for textile machinery independently developed by CNBM have excellent performance and have already been adopted by mainly domestic manufactures of textile machines. Special bearings manufactured by CNBM for airflow textile machines can run steadily at a very high speed with small amplitude, low noise, and long service life. Top roller bearings for textile machines have the characteristics of strong self-aligning function, supreme dust-proof performance, heavy loading capacity, stable operation, and long service life. 




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Q:What is angular contact ball bearing contact angle?
The contact angle is defined as an imaginary angle betweenA linear element added to a rolling contactAligning and a straight line perpendicular to the axis of rotationThe angle between the imaginary line of the contact between the roll and the raceway and the vertical line of the axis of rotation
Q:What are the differences between angular contact bearings AC and A and C?
AC is the code for homemade bearings. The contact angle is 25 degrees. It is subjected to axial force and radial forceA for Japan bearing angle code, contact angle of 30 degrees, to bear axial force and radial forceC is the bearing angle code of Japan. The contact angle is 15 degrees. It mainly bears radial force and small axial force. It is used in high precision and high speed equipment
Q:Do angular contact ball bearings come with a sealing cap?
Without a sealing cap
Q:What does angular contact ball bearing 70216AC mean?
Name = General rolling bearing type code No.Standard = excerpt from GB/T 272-1993-----------------------------------------------------------Bearing type = angle contact ball bearingCode =7The original code name is =6Bearing type = angle contact ball bearingDimension series code = (0) 2After two, 16, bearing nominal diameter 16 * 5=80mmName = internal structure codeStandard = excerpt from GB/T 272-1993
Q:How can angular contact be distinguished from the front and back? What are the characteristics of each?
Hello, there is a number on the front, no number on the back
Q:Angular contact ball bearings, how to judge the size of the mouth?
Yes, look at the outer ring of the bearing. The thinner end is the big one.
Q:How to install angular contact ball bearings?
The installation of angular contact ball bearings is more complicated than deep groove ball bearings. It is mostly installed in pairs, and preload is necessary. Well installed, can make the host work accuracy, bearing life greatly improved; otherwise, not only the accuracy can not meet the requirements, the life will be affected.The installation form of angular contact ball bearings, a series of face to face and back to back, three. (two back-to-back wide end bearing relative) installation, bearing contact angle line along the axis of rotation diffusion direction, bearing angle can increase the radial and axial rigidity, maximum deformation resistance; face to face (two relatively narrow end bearing) installation, bearing contact angle of the rotary axis line towards the direction of its convergence. To the point of less rigidity. Because of the inner ring of the bearing outer ring out, when pressing the outer ring two bearing together, the original gap ring is eliminated, can increase the bearing preload; tandem arrangement (two wide end bearing in one direction) when installing the bearing contact angle and parallel lines in the same direction, the two share the same bearing the direction of the work load. However, in order to ensure the axial stability of the installation, the two pairs of bearings arranged in series must be installed opposite the ends of the shaft in order to ensure the axial stability of the installation.
Q:What are the differences between angular contact bearings and deep groove ball bearings?
Deep groove ball bearings and angular contact ball bearings with inner and outer diameters and wide dimensions have the same inner ring size and structure, but have different outer ring sizes and structures:1. deep groove ball bearings, outer raceway, both sides of the double shoulder, and angular contact ball bearings generally single shoulder;2. deep groove ball bearings, raceway curvature and angular contact ball is different, the latter is often greater than the former;3. deep groove ball bearings, outer raceway and angular contact ball bearings of different, non central position, the specific value of angular contact ball bearings designed to be considered, and the degree of contact angle related;In terms of use:1. two different purposes, suitable for deep groove ball bearings bear radial force and smaller axial force, axial and radial load and combined load torque, and angular contact ball bearings can withstand axial load, radial load is larger (with different contact angles and loads of different sizes), double matching (with matching mode vary) is two-way can withstand axial load and torque load.2., the limit speed is different, the same size of angular contact ball bearings, the ultimate speed is higher than deep groove ball bearings.With type, size, precision, and so on.
Q:What are the reasons for the use of tapered roller bearings and angular contact ball bearings?
Selection of bearings in accordance with the theory and practice of judgment, that is, bearing capacity and the form of movement and load factors are different. That is, the role of the two bearings
Q:Two angular contact ball bearings, the use of clearance problems
Bearing in pairs need not be adjusted! The bearing is marked with letters!DB: back to backDF: face to faceDT: series connectionSU: single arbitrary combinationDU: any combination of two bearings.There is also a combination of three columns and four columns with letters on each bearing!Among them, when selecting the SU mark bearing, it is necessary to choose the bearings with the most close tolerance of the inner and outer ring diameter together. Clearance adjustment is also relatively easy.It is difficult to pair the bearings by adjusting the two common bearings together by adjusting the experience. It is best not to try in such a strict place!

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