YRT bearing consist of a thrust/radial housing washer, a thrust/radial shaft washer, a thrust washer, two axial needle roller and cage assemblies and a group of tadial cylindrical roller.Houssing washer and shaft washer have bolt hole for install equally spacer.This kind of bearings have high axial load and radial load, and high tilting rigidity and high precision.This bearing can be sued to the machine tool or other high precision machinery of the rotary talbe or sub-set, and also can be used for chuckk, measuring request ghigher quality of the parts match it.ou must control screw tightening torque when install it.