608 Bearing using BBs
We calculate the final price from your selected file. You review and accept it before payment.
Saved on this device.
This is a 608 bearing that uses BBs are rollers. Pause the print, insert the BBs, then resume the print.
- Rating
- 4.875 / 5
- Likes
- 80
- Downloads
- 434
- Makes
- 13
- Views
- 2,910
- Reviews
- 8
Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Public Domain
In 1999, I had a BB rifle and bought a box of 6,000 BBs. I didn't use all of the BBs, but I'm glad I kept them around! I needed some 608 bearings to make some additional filament rollers, but all of the bearings I found online didn't work well. This design uses standard Daisy BBs, which are 4.40mm spheres. For those unfamiliar with 608 bearings, the measurements are as follows: 22mm outside diameter, 8mm inside diameter, & 7mm thick.
I recommend trying the tight tolerance version first. If you print the tight tolerance version, you'll need to pause the print at 4.60mm, insert 10 BBs, then resume the print. If you print the loose tolerance version, pause the print at 4.80mm. The bearing works well and rolls effortlessly.
The only downside is that they're louder than 608 ball bearings, but you can make them quieter by putting some white lithium grease on the BBs after the print is complete. I used the grease that came with the printer.