| # | Post Title | Date | User |
| Question about J1 tapered roller bearings | 5 months ago | Daniel Gigliotti | |
| 2nd POST: Building an Optimized AR4MK2 Robot Arm with 3D Printing and Metric Bearings | 7 months ago | Paul B | |
| Building an Optimized AR4MK2 Robot Arm with 3D Printing and Metric Bearings | 7 months ago | Paul B | |
