The rollers of these bearings are axially through-bored and are guided by the pins of a so-called pin-type cage.
这些轴承的滚筒是轴向钻通的，通过所谓的插销式保持架的插销引导。
2
KNOCK DOWN: To disassemble a previously assembled bearing; the cage is cut or spread and discarded and the rollers and cones are salvaged and reprocessed.
拆卸：把已经组装好的轴承拆开；保持架被切掉或拆卸展开然后丢弃，而滚子和内圈从其取出并重新进行加工。
3
By improving steel material quality, adopting plastic cage, improving rib structure and using crowned rollers, the life and performance of cylindrical roller bearing can be largely increased.