CNBTR Horizontal Linear Motion Ball Bearing Slide Bushing 8mm Dia &Shaft Optical Axis 300mm Linear with Rod Rail Support Set: Amazon.com: Industrial & Scientific
Riemenscheibe Timing-Riemenscheibe 5M-24T-Bohrung 6 / 6,35/8 / 10/12 / 12.7 / 14/15/11 / 17/12 / 20 mm Rollenschlitzbreite 16/21 mm für Breite 15 / 20mm 5m-Zahnriemen Für Turnscheibensysteme, Fitnesss : Amazon.de: Business, Industry & Science