LM6UU 6 mm lineare Kugellager, extra lang, Bohrung 6 mm, Außendurchmesser 12 mm, Länge 35 mm, 2 Stück : Amazon.de: Gewerbe, Industrie & Wissenschaft
4pcs/lot Sbr12uu Sbr16uu Sbr20uu 12mm16mm 20mm Linear Ball Bearing Block Cnc Router Sbr16 Sbr20 Linear Rail Cnc 3d Printer Part - Linear Guides - AliExpress