Linear bearings are used for linear motion. They can be used to build low cost and simple linear guiding systems for a wide variety of applications such as CNC and 3d printers. This linear ball bearing slides along an 10mm linear shaft. 

Specifications

• 29mm long x 19mm outer diameter x 10mm inner diameter
• Dynamic load rating C(N): 372 N
• Static load rating Co(N): 550 N
• 4 Ball races inside
• 2 grooves with 18 mm outer diameter