Uxcell a13042400ux0563 8mm x 19mm x 3.5mm Needle Roller Thrust Ball Bearing AXK0819

Climax Metal M1C-08-S Shaft Collar, One Piece, Clamp Style, Stainless Steel, 8mm Bore, 25.4mm OD, 9mm Width, With M3 x 10 Clamp Screw

Ruland MSC-8-F Set Screw Shaft Collar, Black Oxide Steel, Metric, 8mm Bore, 16mm OD, 8mm Width (Pack of 4)

HPS AST-238 6061 T6 Seamless Aluminum Round Straight Tubing, 16 Gauge, 1' Length, 2-3/8" OD, 0.065" Wall Thickness

Eowpower Linear Motion 8mm Shaft - 330mm Length Round Hardened Lathe Case Hardened Bar Rod

Atoplee 4pcs Miniature Axial Ball Thrust Bearings F8-16M (8x16x5mm)

Uxcell a15102700ux1220 8mm to 10mm Type Aluminium Motor DIY Shaft Coupling Joint Connector

Thrust Needle Roller Bearing 10x24x4 Thrust Bearings