I just make a mixture of soap and water, and attach it to my compressor and blast out the dirt from my bearings. After that, i spray them down with wd40 to get all the water off. I than blow the bearing with a compressor to get the wd40 off, and put some lube in them.
1989 Mazda Rx7
greddy t04b, megasquirt ecu, PlX wideband, 12x28x3 fmic, 50mm hks clone wg, ssqv bov, Safc, ss oil lines, walbro fuel pump, tubo intake manifolds, ssac exhaust manifold, 3" dp, 550cc primary/720cc secondary injectors, etc.