uxcell 2 Pcs 8mm x 150mm DIY RC Car Model Straight Metal Round Shaft Rod Bars

Uxcell a17053100ux0131 Uxcell a17053100ux0131 4pcs KFL08 8mm Zinc Alloy Self Aligning Pillow Block Flange Bearing, Zinc (Pack of 4)

Eowpower 4Pcs 8mm Bore Diameter Ball Mounted Pillow Block Insert Bearing

Eowpower 5Pcs Linear Motion Shaft 8mm X 100mm Round Hardened Lathe Bar Rod

Uxcell a15113000ux1176 8mm to 8mm Aluminium Alloy DIY Motor Shaft Coupling Joint Connector for Electric Car Toy

BIQU GT2 Synchronous Wheel 60 Teeth 8mm Bore Aluminum Timing Pulley for 3D Printer 6mm Width Belt (Pack of 2pcs)

OctagonStar 2pcs KFL08 8mm Zinc-Aluminum Alloy Flange Pillow Block Bearing

WINSINN 3D Printer Openbuilds Lock Collar - T8 Lead Screw Lock Ring Block - Shaft Stainless Steel Locker OX CNC Parts for V Slot Linear Extrusion (Pack of 5pcs)

4 Pack 8mm Flange Coupling Connector, Rigid Guide Steel Model Coupler Accessory, Shaft Axis Fittings for DIY RC Model Motors, High Hardness Coupling Connector-Silver.

WINSINN GT2 Pulley 20 Teeth 8mm bore 6mm Width 20T Timing Belt Pulley Wheel Aluminum for 3D Printer (Pack of 5Pcs)