Parts 

Part List (Purchased):

McMaster-Carr

1. 5905K517 - Needle Roller Bearing 

2. 3567N12 - L Series Corrosion-Resistant Timing Belt Pulley

3. 1355K2 - Flat-Belt Idler Pulley

4. 5709K901 - Tapered-Roller Bearing with Steel Ring

5. 6495K211 - Timing Belt Pulley

6. 6321K51 - Shaft-Mount Track Roller

7. 6255K31 - Mounted Linear Ball Bearing

8. 97345A247 - 316 Stainless Steel Shoulder Screw

9. 3643K81 - High-Load Threaded Track Roller

10. 61145K41 - Mounted Linear Steel Ball Bearing for 6 mm Diameter Steel Ball Spline

11. 5905K507 - Needle-Roller Bearing

12. 23915T85 - Tapered-Roller Bearing

13. 61145K136 - Steel Ball Spline

14. 97345A712 - 316 Stainless Steel Shoulder Screw

15. 4668K222 - Permanently Lubricated 440C Stainless Steel Ball Bearing

16. 1088A33 - Inside-Corner Reinforcing Bracket

17. 7744N102 - Hex Flanged Eccentric Bushing

18. 97345A249 - 316 Stainless Steel Shoulder Screw

19. 94361A323 - Short-Thread Alloy Steel Shoulder Screw

20. 94674A528 - Flush-Mount Press-Fit Nut for Sheet Metal

21. 6484K113 - L Series Timing Belt

22. 7939K531 - High-Strength HTD Timing Belt

Amazon

1. Roowest 3 Pcs 24 x 48 Inch, 1/4 Inch Thick Clear Acrylic Sheets

2. Loctite 1835201 Green 680 Retaining Compound

3. Waveshare Serial Bus Servo Driver Board

4. Waveshare 30KG Serial Bus Servo

5. FolkArt Multi-Surface Paint (red)

6. FolkArt Multi-Surface Paint (green)

7. Liberty Oil, 4oz 100% Synthetic Oil for Lubricating

Pololu

1. #4698 6.3:1 Metal Gearmotor 37Dx65L mm 24V with 64 CPR Encoder (Helical Pinion)

ServoCity

1. 10mm Round Servo Shaft (25 Tooth Spline, 36mm Length)

2. 3417 Series 5mm HTD Pitch Set-Screw Pinion Timing Belt Pulley (6mm D-Bore, 16 Tooth)

Digikey

1. AMT102-V Encoder