Thermal cooling fan manufacturer of ball bearing is good or bad?
The advantages of using ball bearings
A metal bead work belongs to the point of contact, so the activation function is easy to
B can be used in often in different Angle and direction implantation operation of portable products ( But to prevent breaking or falling)
C a longer service life ( Compared with the oil bearing)
with ball bearing faults
A bearing structure is quite fragile, cannot withstand the impact of outside force
B motor turns, the rolling of metal bead will produce larger noise
C price is high, can't compete with oil bearing on the cost price
D source and quantities of ball bearing, and not easy to control the
E use ball bearing of the elasticity of the spring to its positioning, assembly is not easy
