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Re: Threaded rod through roller bearings
Here's a cross-section of the drive arrangement I'm considering.
The dark gray rod is the axle; potentially a steel, 3/8-16 threaded rod. It runs through two bearings, shown in white near the center, and has a cantilevered sprocket on one end and a wheel on the other. Threaded onto each end is a 1/2" hex coupling nut. The ends of the axle are drilled and tapped to accept left-handed screws which'll hold plates against the wheel and sprocket to prevent them from backing off.
I was looking specifically at Grade B7 threaded rod available from McMaster-Carr -- part no. 98750A068.
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Spelling mistakes make me sad...Almost as sad as not being able to go to Atlanta this year.. Almost. - Elgin Clock [more] 
31-12-2006, 14:31
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