grabcad
When a long shaft is to be supported at intermediate points, bushed bearings are not used due to their limitations. In such cases plummer blocks are used. In plummer block bearing, the body is split horizontally along or near the axis of the shaft. this will enable to overcome the disadvantage of the bushed bearings.
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This STL file is compatible with most FDM 3D printers (Creality Ender 3, Prusa MK3S+, Bambu Lab, etc.) and resin printers (Elegoo, Anycubic). Check the original page for recommended print settings and materials.
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Most STL files can be modified using free software like Blender, TinkerCAD, or Meshmixer. Check the license on the original grabcad page to see if modifications are permitted by the creator.