suzhou jincheng bearing co., ltd., was founded in 1992 as one of the first private needle roller bearing manufacturers to emerge from the then nascent market economy.
in 1949, a german inventor by the name of georg schaeffler developed the needle roller and cage assembly, a precursor to the modern needle roller bearing that has since become a foundational component...
the role of the bearing is to reduce friction between objects and make the process of rolling smoother. the foundational principles existed long before bearings came into being.
●drawn cup needle roller bearing ●drawn cup needle roller clutch ●full complement drawn cup needle roller bearing
a video about sjb manufacturing site.
on the r&d front, since 2014, sjb has obtained 42 patents from cnipa, 10 of which are invention patents. all of these, accompanied by the recent completion of a fourth heat-treatment production line, has enabled sjb to reach a manufacturing capacity of 80 million bearings a year.
