Recent content by lulubell

Yes, the 25 RPM is the drum speed

Ok...lets see how I do... First, I've attached a drawing to give you an idea of what I'm talking about, and yes, it is for tumbling stones. I have six 5/8" bore, sealed, self aligning pillow block bearings, but I'm not sure what you mean by 'bearing friction/torque number', so here is a link...

I need help calculating the motor torque requirements for a project I'm working on...the senario is as follows... Two 5/8" diameter aluminum rods that are 3 feet long and 6" apart from each other. These rods need to rotate a maximum load of 35 pounds at a speed of 25 rotations per minute...