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High Speed DC Brushless Motor Watch Parts


"High Speed DC Brushless Motor" from heavy-duty vehicle axle and spindle to precision watch parts, many occasions require rotation of the bearing. The simplest rotary bearing sleeve bearings, it's just a bush sandwiched between the wheels and axles. This design was subsequently Rolling alternative is to use a lot of cylindrical roller replace the original liner, each rolling element as a single wheel. First put into practical rolling bearing cage with the watchmaker John Harrison in 1760 for the production of H3 timing meter invention.

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