We use the process of deep groove ball bearing, bearing seals occasionally pry open the lid, this time we will find that while there is some bearing full of grease, while the other side there is no grease; while some bearing on both sides evenly fat distribution, especially the high price of the bearing, this is what causes it?
We know that the bearing during operation is the need to grease and rust, especially sealed deep groove ball bearings, grease the bearing can not be high-speed operation, will greatly shortened life expectancy. The bearing in the production process is a process up to a, the bearing inner ring and the balls, the cage is assembled, the first thing is to wash, rinse after the pressure side of the seal cover, and then flip over bearing, plus fat (Average plus the bearing interior volume is 30% ~ 35%), and then a cover.
Here we found, sealed deep groove ball bearing with one side in the production process are not added fat, grease applied to only one side only; if both sides, then add oil, bearing the manufacturing process, the more of a process, so the production efficiency will be reduced.
At this time someone will ask, why would some bearing grease on both sides of it? If the bearing grease seals on both sides, this one is the price is relatively high, and the other is used over the bearing. Why do you say? This is the high price of bearings are generally better quality, this is the result of deep groove ball bearing side full inspection, and that is to go through the rotating bearing test, after the rotation bearing grease on the inside of a uniform distribution; another is bearing After using, used, oil will certainly be evenly distributed.
So says the new deep groove ball bearings with grease on both sides of only one side while the other side is not normal, users do not worry, just take a few turns bearings, or turn a few minutes to get the machinery above, bearing grease on the inside of the uniform rotation , do not affect the use.
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