Models View all RU85 Cross Roller Bearing 16 348 1 RU66 Cross Roller Bearing 16 320 0 ROBOTIS Dynamixel XL-320 15 779 1 HW-64106HXL 5 210 0 HW-64106HXW 4 127 0 InterbotiX Turtlebot 2i 19 909 8