After bearing  use, should check roller ring in groove if there is peeling, retainer whether too loose , inner ring around the edge is complete, outer ring groove whether there is a rift.

Inner ring and outer ring in combination roller, roller should fall into among the groove , moved forward does not exceed 1.5 mm. One of them is unqualified, which can not be used. This type of bearings is separable outer lane. The normal state, inner and outer groove and roller should be no broken, hemp dot and deep grinding mark; Keep frame should be no deformation and roller curl, the circle; Inner and outer groove and the roller with clearance should be no more than 0.06 mm.

Normal condition, two groove should be no serious injury and spalling wear, the ball should be no broken and hemp dot; Keep frame should be no deformation, and two groove together, gasket, and ball firmly curl together.

Since most enterprise in the construction and operation of the innovation system, development and innovation of funds, talent development is still at low level, plus service for industry of scientific research institutions to entrepreneurial, the state of the industry has no common technology research investment, which reduces the function of the research for industry.

 
Therefore, the industry "two weak two little" outstanding, namely basic theory research weak, and participate in the international standard formulating strength weak, little original technology, little patent products. At present we design and manufacturing technology is basically simulation, dozens of construct. Product development ability is low, displays in: although domestic host to the rate reach 80, but high speed railway passenger, upscale cars, computers, air conditioner, high level mill, and other important host supporting and maintenance bearing, basically rely on imports.
 



Other News:
Used for newspaper printing roller bearing damage judgment
The bearing outer ring can be separable out
In the interior of the contact point lubricant friction and lubricant mixing and
TIMKEN bearing can effectively improve the groove shape error
Import bearing monomer clearance determination
The rolling bearing dismounting
China is the world's one of the countries first invented rolling bearings
Lead to sliding import bearings early wear reason is various, are summed up and