Three advantages and two major drawbacks of the dual ball-bearing
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Double ball bearing has the following three advantages:
Longer life expectancy;
Anti-aging properties, suitable for the high fan speed. Double ball bearing entire embedded in the fan in the rotating part is not in direct contact with the outside world;
The closure of the dual ball bearings and hydraulic bearing, especially dual ball bearings. In a sealed environment, the bearing of the work environment is relatively stable, the level of large-diameter fan 5000 rpm is almost double ball bearing.
The disadvantage of double ball bearing has the following two:
Manufacturing costs are high;
The same level of speed, noise (because the ball bearing points of friction increased 2-fold).
234407BM 234706BM 234406BM 517/2860V/YA 5610/2500 517/1720X1V 527/1181M 510/1180M 517/930 510/670 590/560 510/500 52780 59080 517/368M 51760U 517/238 6207-2ZN 6206-2ZN 6205-2ZN 6204-2ZN 6203-RZ 6203-2ZN 6202N 6202-2ZN 6201-2ZN 6200ZZ 6200-2ZN 62/32-ZN 62/32-Z 62/32N 62/32-2Z 62/32-2RZ 62/32-2RS 62/28-2RZ 62/22-2RZ 61996 61992 61988 61984
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Double ball bearing is high-end bearings. Bearing in several pieces of small ball around the axis, when the fan page, or the axis of rotation, the ball followed by rotation, as are the sphere, so friction smaller and does not exist the problem of oil spills.Double ball bearing has the following three advantages:
Longer life expectancy;
Anti-aging properties, suitable for the high fan speed. Double ball bearing entire embedded in the fan in the rotating part is not in direct contact with the outside world;
The closure of the dual ball bearings and hydraulic bearing, especially dual ball bearings. In a sealed environment, the bearing of the work environment is relatively stable, the level of large-diameter fan 5000 rpm is almost double ball bearing.
The disadvantage of double ball bearing has the following two:
Manufacturing costs are high;
The same level of speed, noise (because the ball bearing points of friction increased 2-fold).
