Cross roller bearing RA series 1. RA cross roller bearing is outer Ring separable type and inner ring rotation design. 2. Sizes:Inner Diameter: 20-350mm Outer Diameter: 70-540mm Width: 12-45mm 3.Performance Advantages:High radial, axial and moment load capacity in a single bearing; low friction coefficient for smooth rotation; excellent runout accuracy. 4.Material: Gcr15, Gcr15SiMn. 5. Application: Joints or rotating parts of industrial robots, rotary tables of machining centers, rotating parts of manipulators, precision rotary tables, medical machines, measuring instruments, IC manufacturing devices, etc. 6. Accurcy: P6, P0, P5, P4, P2. https://www.atlycbearing.com/ra-series/cross-roller-bearing-ra-series