4 ms·
I'd imagine creating uniform and robust ball-bearings is not an easy feat.
by unemphysbro 5y ago
I'd imagine creating uniform and robust ball-bearings is not an easy feat.
- progman32 5y agoFortunately poured bearings (i.e., with Babbitt alloys) are much easier to create! You pour it into a shell with the shaft already installed. It's just tin and lead with a couple percent copper and antimony. Now, getting a perfectly round shaft... also tough.