Iron cylinders

[whiteblack]

Hi:
Am wondering if anyone can identify these iron cylinders, about a foot long each and 4 inches in diameter, spread out over about a hundred feet on a shore in the British Columbia, Canada Gulf Islands. Possibly ballast? What kind of craft would they be from if so? Many thanks for any ideas.

 

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[NGE]

If that is a hole I see in the end of one goes all the way through, then I would say some giant heavy duty roller bearings....NGE

 

[Harry_Morant]

Boat rollers from an old slip

 

[White Feather]

They do look like the rollers from a belt conveyor. The holed one would have a drive tred slid on it to drive the belt and the rest would be smooth. Usually used in packing sheds and on farms to move and load boxes of produce.

 

[RPG]

I agree with what was said above. Rollers from a conveyor. The one with the hole looks to have a keyway cut into it so it would be the drive shaft.
Randy

 

[whiteblack]

Hi everyone:
Don't think these have anything to do with a conveyor belt though. They are located in a wilderness area, never has had farms, etc, and they are solid cylinders- ends sealed. The one with the hole looks a bit like part of a prop shaft. Thanks for all your thoughts and efforts.