Specification :

Needle Roller bearings is a cross-section , small in height , high load capacity bearings. because the high hardness of the outer ring , even in light alloy housings, it can be also applied freely. This metric and inch bearings provide two series of products, each series has three kinds of structures a belt to keep planes full of needle-and seal-type. In addition , moreover , the needle roller bearings can be divided into two kinds with or without inner ring, without inner ring are in raceway as a spindle, so that the volume becomes smaller.