所要解决的问题是：提供一种结构简单、重量轻、具有自润滑功能的小吨位叉车调距叉。
The problem that needs to be solved is to provide a small tonnage forklift controllable fork having simple structure, light weight and automatic lubrication function.
选用和代用功能是润滑脂数据库不可缺少的二个独特功能。
It is shows in this paper that the functions of selction and substitution in the database of lubricating grease are very special and necessary.
本发明提供一种能够长时间维持润滑脂用的辅助剂的功能并实现寿命的提高的滚动轴承及滚动轴承用密封部件。
A rolling bearing and a seal for the rolling bearing. In the rolling bearing, efficacy of an adjunct agent for grease is maintained for a long period of time to extend the life of the bearing.
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