ARCELI 4pcs SK8 8mm CNC Linear Motion Ball Slide Units Rail Support Manual Shaft Carrier - ShopVlot

Has good performance, low friction coefficients and long operating time. A linear recurrent motion for different mechanical systems, because the role of the support or drive, often with the support shaft, with the use of linear bearings. Product size: 42 x 32 x 14 mm. Inner Diameter:8mm/0.31"(Applicable to the optical axis diameter 8mm)