TKRBB06103 - Ball Bearings (6x10x3, 4pcs) is included with the EB48 2.0, EB48 2.1, EB48.2, EB48.3, EB48.4, EB48SL, ET48, ET48 2.0, ET48.3, MT410, MT410 2.0, NB48, NB48 2.0, NB48 2.1, NB48.3, NB48.4, NT48, NT48 2.0, NT48.3, SCT410, SCT410 2.0 and SCT410.3 kits and can be used as a replacement part for those vehicles.