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Bearing Selection Method |
It is increasingly
strict to the market requirement performances of various mechanical
devices, instruments etc. which use rolling bearings. It becomes
more diversified to the conditions, performances required by the
bearings.
In order to choose the most applicable bearings among vast structures
and sizes, it should be researched into from multiple angles.
While choosing the bearings, commonly the customers will make
an approximate decision to the bearing structure according to the
bearing arrangement of the shafting, installation, disassembly difficulty
degree, bearing allowable space & size, bearing market competitive
power etc.
Secondary, the customers can comparatively research into various
mechanical design lives and all kinds of durability limits to the
used bearings and decide the bearing dimensions at the same time.
While selecting the bearings, it is a usual case to only put the
bearing fatigue life into consideration. But of course it is not
correct. What is more, it should fully research into the lubricating
grease life, wear-ability, noise etc. caused by the lubricating
grease ageing.
Besides, it is necessary to choose the specially-designed bearings
out of the requirements such as accuracy, clearance, cage structure,
lubricating grease and so on according to different uses.
But there is no definite sequence and rule to the bearing selection.
Top priority should be given to the conditions and performances
required by bearings. It is especially practical to consider the
most related items to the bearings with new machinery, special use
conditions or special ambient conditions.
As an ordinary referential example to bearing selection, its procedures
have been indicated in Table 2.1:
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