Bearing
Ball Bearings
Cheap and widely available
The first digit refer to the kind of bearing, the second its robustness, the third usually for the bore size. Then ZZ = double shielded ; 2RS = double sealed ; etc.
Learn more here : http://www.gizmology.net/bearings.htm
| Model | From | Size (ID-OD-thick) | Approximate Cost | Additional notes |
|---|---|---|---|---|
| 608 ZZ Paoparts | France | 8 x 22 x 7 mm | 0,90 € | - |
| 608 ZZ Reprapsource | Germany | - | 0,79 € | - |
| 608 ZZ Reprapkit | UK | - | 0,95 £ | - |
| 623 ZZ Paoparts | France | 3 x 10 x 4 mm | 1,20 € | - |
| 624 ZZ Paoparts | France | 4 x 13 x 5 mm | 0,69 € | - |
| 624 ZZ Reprapkit | UK | - | 0,85 £ | - |
| 624 ZZ Reprapsource | Germany | - | 0,69 € | - |
| 626 ZZ Paoparts | France | 6 x 19 x 6 mm | 1,10 € | - |
| 6810 ZZ Reprapkit | UK | 50 x 65 x 7,5 mm | 0,95 £ | - |
| Everything Bocabearings | US | - | - | - |
| Everything VXB | US | - | - | - |
| Everything Ddb-tech | China | - | - | - |
| almost everything Technobots | Uk | - | - | - |
Linear Ball Bearings
A little costlier than classical bearings, but simpler to integrate in carriage design and make building a machine quicker/easier. Worth the cost.
| Model | From | Size (ID-OD-long) | Approximate Cost | Additional notes |
|---|---|---|---|---|
| LM6UU Paoparts | France | 6 x 12 x 19 mm | 2,90 € | - |
| LM8UU Paoparts | France | 8 x 15 x 24 mm | 1,95 € | - |
| LME8UU Reprapsource | Germany | 8 x 16 x 25 mm | 6,99 € | pack of 2 |
| LME8LUU Reprapsource | Germany | ? | 3,99 € | - |
| LM10UU Paoparts | France | 10 x 19 x 29 mm | 2,95 € | - |
| SCS8UU Paoparts | France | 8 x 35 x 30 mm | 14,50 € | with 4 M3 holes, sold in pair |
Bushing
Less noisy than linear ball bearing but not always practical to integrate
| Supplier | From | Size | Material | Approximate Cost | Additional notes |
|---|---|---|---|---|---|
| Goldmine | US | 8 mm | bronze | 1 $ | don't use on 5/16" rod |
| iglidur D6 Paoparts | France | 6 mm | plastic | 1,20 € | - |
| iglidur D8 Paoparts | France | 8 x 9 x 12 mm | plastic | 1,50 € | - |
| Everything Igus | multiple | - | - | - | |
| Sdp-Si | US | 8 mm | plastic | 1,80 $ | self-aligning |
| Spyraflow | US | 8 mm | bronze | ? | self-aligning |
| Techpaladin | US | 8 mm | bronze | 1,70 $ | self-aligning |
Linear Rail
- Igus
- schneeberger.com
- pbclinear.com (also for many linear bearings)
