The bearing consists of one or two solid ring, and a cage with needle rollers. This kind of bearing has a compact size, it can accommodate heavy load carrying capacity. The design itself can reduces the weights and volumes of the automotive components, it also maximize the transmitting power. The bearings with the inner ring or without the inner ring are available according to the utilization.
Main structure type:
The NA, NKI bearings has an outer ring (or double snap rings) with double capped edges and the cage.
Needle roller bearing with cage but without inner ring
Sealed needle roller bearing with or with no inner ring