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Ball bearing in tension roller (home made beltgrinder)
- Thread starter Qbi
- Start date
1/2" ID is convenient, as you can then mount the thing onto a
common 1/2" bolt. Also the bearings of this size sell 10 for $5.95
on Ebay.
Here's how I build them:
- turn 2" OD alum round, 2.5" long or so. Exact OD doesn't matter much,
but keep it @ 2" or so, otherwise the RPMs will be on higher side and it
will translate to more wear/tear on bearings
- drill 5/8 through (so that 1/2" shaft is "loose" within the through hole)
- bore both ends to receive the 1/2" ID bearing
Done
common 1/2" bolt. Also the bearings of this size sell 10 for $5.95
on Ebay.
Here's how I build them:
- turn 2" OD alum round, 2.5" long or so. Exact OD doesn't matter much,
but keep it @ 2" or so, otherwise the RPMs will be on higher side and it
will translate to more wear/tear on bearings
- drill 5/8 through (so that 1/2" shaft is "loose" within the through hole)
- bore both ends to receive the 1/2" ID bearing
Done
http://www.mstarling.com/belt_grinder.html
Best shop made tension adjuster I know of.
I built mine with the bearing out of a auto water pump, I glued MDF to the bearing with Gorilla glue. I've used that grinder going on three years now.
Best shop made tension adjuster I know of.
I built mine with the bearing out of a auto water pump, I glued MDF to the bearing with Gorilla glue. I've used that grinder going on three years now.
, sorry.