RB Crossed Roller Bearings 1. RB cross roller bearing is Inner and Outer Ring Integrity, outer ring with plug. 2. Sizes:Inner Diameter: 20-1100mm Outer Diameter: 70-1500mm Width: 12-110mm 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, P3. https://www.atlycbearing.com/rb-series/rb-crossed-roller-bearings