RC Helicopter 100mm x 5mm HSS Ground Shaft Round Rod 5Pcs

5x16x5mm Precision Ball Bearings ABEC 3 Blue Rubber Seals (10)

uxcell a13061400ux0831 10 Pcs 625ZZ 5mm x 16mm x 5mm Shielded Deep Groove Radial Ball Bearing

5x10x4mm Miniature Deep Groove Ball Bearing Skateboard Bearings MR105ZZ L-1050ZZ Pack of 10

Traxxas 34-T Pinion Gear (1.0 metric pitch) and 20 Degree Pressure Angle (fits 5mm shaft)

Uxcell a13052700ux0246 CNC Motor Shaft Coupler 5mm to 5mm Flexible Coupling 5x5mm

HATCHBOX PLA 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg Spool, 1.75 mm, Gray

Ruland MSC-5-F Set Screw Shaft Collar, Black Oxide Steel, Metric, 5mm Bore, 10mm OD, 6mm Width (Pack of 4)

(10) 5x14x5mm Precision Ball Bearings ABEC 3 Metal Shields 605-ZZ

Boeray 30pcs M5 Roll in Spring T-nut with Ball for 2020 Aluminum Extrusion Profile Slot 6mm

Zilong 8Pcs 5mm 20 Teeth Aluminum Timing Pulley Wheel+5 Meters Rubber GT2 2mm Pitch 6mm Wide Timing Belt for 3D Printer CNC