Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3419102.
Bearing substitute for a 70% scaled model of a turbine engine model, linked below.
Scaled the whole model down to 70% original file size.
These substitute the original bearing sizes.
Large bearing = 14 inner, 31 outer, 9 mm height
Small bearing = 12 inner, 23 outer, 6 mm height
3D Printable Jet Engine: https://www.thingiverse.com/thing:1327093