hi Steve,
i don't know if this is of any use to you but my boss at work was chucking in the skip some Phosphor bronze bushes from an old lift mechanism.they are round and have a hole in the middle,i have 6,the postage to you might be a killer though so if you are interested let me know and i'll have a measure up and tell you the sizes
My System
John Wood KT88 Amp.
Paradise Phono Stage
Sony TTS-8000 Turntable.
PMAT-1010 MK6 Tonearm.
Ortofon Cadenza Bronze
Sony X555ES Cd Player
Yamaha NS1000m Speakers