It was even the same brand. I love when hoarding materials pays off.
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6201RS
- 6 - type code: single-row, deep groove ball bearing
- 2 - series / robustness: (2 corresponds with ‘light’, which is more durable than 0, but less durable than 3 or 4)
- 01 - size code: 12mm bore (inner diameter)
- RS - grease seal: rubber seal one side (no seal would be ‘6201’, both sides sealed would be ‘6201-2RS’. Z and ZZ are used similarly to indicate presence of steel shield(s))
The 6201 is a good fit for this application, and providing the gerbil wasn’t too hard on it, should last a long time.
Comments like these are why I periodically still love the internet.
I kinda needed this today, thank you. <3
So what do we think folks? Underbuilt angle grinder or overbuilt gerbil wheel?
Its a mass produced bearing type. Most likely the cheapest option for both devices. Optimizing a bearing for a gerbil wheel seems like the real overengineering in my opinion.