Does it have to be old style cup/cone/axle or will a cartridge do?
http://www.ribblecycles.co.uk/sp/road-track-bike/Bottom-Brackets-Road-Shimano-UN54-Bottom-Bracket-Tapered-Axle/SHIMBTBR375
It's not a cheap used one (well, it's cheap but not used) but is that the kind of thing you're looking for?
@Mudd started
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Does it have to be old style cup/cone/axle or will a cartridge do?
http://www.ribblecycles.co.uk/sp/road-track-bike/Bottom-Brackets-Road-Shimano-UN54-Bottom-Bracket-Tapered-Axle/SHIMBTBR375
It's not a cheap used one (well, it's cheap but not used) but is that the kind of thing you're looking for?