Pacific Bearing PBC-315 Self-Aligning Single Flange-Mounted Linear Plain Bearing 1 Inch I.D, 2.25 O.D x 2.812 Long: Linear Ball Bearings: Amazon.com: Industrial & Scientific
uxcell Sleeve Bearing 12mm Bore x 16mm OD x 20mm Length Plain Bearings Wrapped Oilless Bushings (Pack of 2): Amazon.com: Industrial & Scientific
INA GE35-UK-2RS Radial Spherical Plain Bearing : Amazon.co.uk: Business, Industry & Science