https://www.efindbearing.com/cross-roller-bearing/rau-cross-roller-bearing/ra13008-crossed-roller-bearing.html
RA13008 crossed roller bearing is the compact and light designation and the structure is the separable outer ring, integral inner ring. So it is a perfect choice for industrial robot joints, manipulators, swiveling units, machining centers swiveling tables, measuring instruments, precision rotary tables, IC manufacturing machines, medical equipment, etc.