Linear Motion Guideway 4x24x10mm Clear Track V-Slot Profile Roller Bearing Inner Diameter - 0.64 inch (0.64") maintenance-free performance - ideal for

maintenance-free performance - ideal for robotics

32040 Tapered Roller Wheel Bearing

7015B Single Row Angular Contact

you need to buy the VXB009C200BTWFSPU in order to get one :)

6" Inch Caster Wheel 661 pounds Swivel co-polypropylene Top Plate

Linear Motion Guideway 4x24x10mm Clear Track V-Slot Profile Roller Bearing Inner Diameter - 0.64 inch (0.64") maintenance-free performance - ideal forLinear Motion Guideway V Slot Profile 4mm x 24mm x 10mm Track Roller One Clear Polycarbonate Rubber Bearing Linear Motion Guideway 4x24x10mm Track Roller Bearing. Linear Motion Bearing Guideway clear Polycarbonate Bearing Track Roller Bearing Dimensions: 4mm x 24mm x 10mm Quantity: 1 Bearing Rail is not Included