| # | Post Title | Date | User |
| Question about J1 tapered roller bearings | 11 months ago | Daniel Gigliotti | |
| 2nd POST: Building an Optimized AR4MK2 Robot Arm with 3D Printing and Metric Bearings | 1 year ago | Paul B | |
| Building an Optimized AR4MK2 Robot Arm with 3D Printing and Metric Bearings | 1 year ago | Paul B | |