Amazon.com: SUTK SC8UU SCS8UU 8mm SCS6UU SCS10UU SCS12UU Linear Ball Bearing Block CNC Router Linear Unit Linear Shaft CNC 3D Printer Parts (Color : SCS12UU, Size : 1pcs) : Industrial & Scientific
Amazon.com: WUXUN Professional 4PCS Linear Motion Ball Bearing Slide Block Bushing SC8UU SCS8UU SC10UU SCS12UU SCS16UU SC20UU Linear Shaft CNC 3D Printer Parts (Guide Length : SCS6UU) : Industrial & Scientific
Linear Rail Bearing Block Set, 8mm x 400mm CNC Linear Rail Shaft Rod SC8UU Bearing Block Set for 3D Printer: Amazon.com: Industrial & Scientific
Baomain SC8UU 8mm Linear Motion Ball Bearing Slide Unit Bushing: Amazon.com: Industrial & Scientific
BQLZR SCS8UU Linear Motion Ball Bearing CNC Slide Bushing 34.5mm Length Pack of 4: Amazon.com: Industrial & Scientific
Amazon.com: 3D Printing Parts Prusa I3 Anet A8 A6 Z Axis Hot Bed Support Plate with 4pcs Sc8uu Sliders Kit for 220 * 220 Hotbed 3D Printers (Color : Plate with Sc8uu) :