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Linear guide can be divided into roller and ball linear guide, the former is high speed and slightly lower accuracy, while the latter has lower speed and higher accuracy.
Linear guide, also known as lines, slides, linear rails, linear slide, is used in the occasion of linear reciprocating motion, it has a higher rated load than linear bearing. Linear guide can take some of the torque, and achieve high-precision linear motion at high load circumstances.
Linear bearings are used in automated machinery more, like the German imports of machine tools, paper bowl machine, laser welding machines and so on.
Features:
1) self-aligning capability
2) interchangeable
3) with high rigidity in all directions