The bearings you need are:

Upper: I/D 25mm x O/D 47mm x W 15mm (SKF 32005XQ)

Lower: I/D 30mm x O/D 55mm x W 17mm (SKF 32006XQ)

I use simplybearings.co.uk for individual bearings, but the last headrace set (upper, lower and seal) I got came from wemoto for �25 (USA made), which was just as cheap as getting the separate bits from a bearing supplier. They also do Koyo (which are the OE ones) for another tenner.

Just noticed you can get the whole kit from Busters on ebay for �19.50 delivered, but I have no idea of brand or quality?

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