Here is a quick help I've been meaning to share that should pay off for you almost every day. I just had to get around to making an extra one!
First and foremost(if it's not too late already!), check the borehole in the marble rolling pin AT THE STORE. The hole should be 'reasonably' centered. The face of the rolling pin should be smooth, without pitting or fault lines. They can vary greatly, so do check.
First and foremost(if it's not too late already!), check the borehole in the marble rolling pin AT THE STORE. The hole should be 'reasonably' centered. The face of the rolling pin should be smooth, without pitting or fault lines. They can vary greatly, so do check.
Okay...
This type of bearing, called a "freeway bearing", is commonly available and the pair will set you back roughly $4.00 - $5.00. Thankfully, these rolling pins are all basically the same, so take down these measurements, or print the picture and just show the guy at the bearing supply, farm supply, etc. You should NOT pay more than $3.00/each.
Ahhh! Back from the store so soon? he he...
See the shot further below. If the stone bit you are using is cylindrical(as opposed to cone shaped/tapered), then you may have to wear the front end of the bit off on a piece of scrap steel or something to round it off a fair amount. It will make your first 'bite' into the marble bore hole nice and easy.
***Use HIGH SPEED, and WEAR GLASSES.***
A few drops of water will keep the dust down. You may need a larger hole than the size of the bit you are grinding with, so use a rotating/tilting method. This works better than grinding side to side.
Check continually, taking care not to get wet marble muck inside your shiny new bearing when you test the fit.
It should have a bit -A BIT- of wiggle room to allow for cement.
When you're happy with the fit, do a final rinse and let dry thoroughly.
Swipe a thin "sealing layer" of contact cement inside the ends. This stuff
dries within moments. Let it get tacky and add some more.
Test the fit of the bearing if you must, but be sure not to get any gummy-boogers in your shiny new bearing. (Actually, if you found a rusty old pair of freeway bearings in the garage, I applaud you!)
Once you're satisfied that the bearings are seated well,
let dry for a while. Seal the flange(outer edge) of the bearing to the marble
with generous layers of cement.
let dry for a while. Seal the flange(outer edge) of the bearing to the marble
with generous layers of cement.
Okay, mine ain't the prettiest, but you get the idea!
Snug your handles in, and then back them off 1/16".
Snug your handles in, and then back them off 1/16".
WARNING:
You are going to be quite thrilled with the action of
your new He Man Rolling Pin, smooshing blocks like never before...
DON'T BREAK THE HANDLES LEANING ON IT!
(...it's REALLY hard on the knuckles!)
Cheers!
