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THK Linear Bearing

The THK linear bearing is a linear motion system that is produced at low cost and is used with an infinite stroke in conjunction with a cylindrical shaft.

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       What is the difference between THK linear guides and THK linear bearings?


       The THK linear bearing is a linear motion system that is produced at low cost and is used

 with an infinite stroke in conjunction with a cylindrical shaft. Since the carrier ball is in point

 contact with the shaft, the load used is small. The steel ball rotates with a very small frictional

 resistance, so that smooth motion with high precision can be obtained. THK linear bearing is

 widely used in precision equipment such as electronic equipment, tensile testing machines

 and digital three-dimensional coordinate measuring equipment, as well as industrial

 machinery such as multi-axis machine tools, punching machines, tool grinding machines,

 automatic gas cutting machines, printers, card sorting machines, food packaging machines,

 etc. Sliding parts.

 

       The THK linear guide and the THK linear bearing are basically two product accessories.

 The linear guide is a kind of transmission movement. The attachment rail reciprocates linearly

 from the specified point to the next point. The appearance of the THK linear bearing is clearly

 different from that of the linear guide. The linear bearing is operated in a circular barrel shape

 with a linear optical axis.

 

       Features: THK linear bearing is used in conjunction with a hardened linear drive shaft. A

 system for infinite linear motion. The load ball and the quenching drive shaft have a small

 allowable load because of point contact, but the frictional resistance is the smallest, the

 precision is high, and the movement is quick.

 

       In terms of cost: THK linear guides are more expensive than THK linear bearings.

 

       From the equipment: THK linear guides are more accurate than THK linear bearings, with

 greater load and greater stability.

 

       From the market point of view: THK linear guides are more suitable than THK linear

 bearings, and THK linear bearings are relatively only suitable for primary machining.

 

       THK linear bearing has its own classification. Does not belong to rolling bearings and plain

 bearings. However, THK linear bearing is divided into different types according to the type of

 rolling element, whether the rolling element is circulated during operation, the load and

 direction of action, and the number of rolling elements in a set of bearings.



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