The BroFab front hub kit includes either tried and true SKF which have proven effective to over 100 hrs without any maintenance. A repack of fresh grease will keep them running much longer than that.
 
This kit includes the following:
Italian made SKF
Adapter Spacers
HD Washers
Spindle sleeve adapters
Bimmerworld Race Studs (Installed)
 
There is an option for Mazda ABS rings, If you are only using the ABS sensor for a standalone ECM for speed the BMW tone rings will work with a Mazda pickup but have a different number of teeth.