Looks like it, the bearing used is one of these - http://www.ebay.co.uk/itm/Ceramic-Bearing-24mm-37mm-7mm-Si3N4-Stainless-Abec-7-/130413048798 But it might be easier to just buy the BB90 and fit it without the tube in the middle.
@O'Shane started
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Looks like it, the bearing used is one of these - http://www.ebay.co.uk/itm/Ceramic-Bearing-24mm-37mm-7mm-Si3N4-Stainless-Abec-7-/130413048798
But it might be easier to just buy the BB90 and fit it without the tube in the middle.