Biggest ball bearing is a type of rolling bearing

Biggest ball bearing is a type of rolling bearing, in which the ball is installed between the inner and outer steel rings and can withstand large loads.
Biggest ball bearing are mainly composed of four basic components: ball, inner ring, outer ring, and retainer, also known as cage or retainer. General industrial ball bearings meet the AISI 52100 standard, and the balls and rings are usually made of high chromium steel with a Rockwell C scale hardness of approximately 61-65. The hardness of the retainer is lower than that of the ball and ring, and its materials include metals or non-metal.

Biggest ball bearing have lower rotational friction resistance than journal bearings, so the temperature generated by friction will be lower at the same speed.
The purpose of ball bearings is to determine the relative position of two parts and ensure their free rotation, while transmitting the load between them. At high speeds, this application can be extended to include free rotation with almost no wear in the biggest ball bearing.To achieve this state, a layer of adhesive fluid film called elastohydrodynamic lubrication film can be used to separate the two parts of the bearing.

In the production of biggest ball bearing, axial clearance is commonly used to control radial clearance. The problem of excessive radial clearance after fitting is solved by strictly controlling the accuracy of the inner and outer grooves and steel balls, and compressing the range of radial clearance when calculating axial clearance. The lower limit value remains unchanged, and the upper limit value is compressed by 15%. The axial clearance obtained by this method is used as the reference to control the actual radial clearance after fitting.
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