We're excited and proud to launch Thingiverse Apps. Learn More about what this means to you.
Parts list that I used from McMaster-Carr:
90592A016: M6 hex nut
93925A270: M6 internal-tooth lock washer
90024A070: M6 stainless steel threaded rod
And from Amazon:
B002BBJVTC: 20 Bearing 626ZZ 6x19x6 Shielded Miniature Ball Bearings VXB Brand