5x10x3 Revolution bearing (MR105-RSZ/B3) by Avid Racing Concepts is used in the Schumacher CAT L1 Evo front hubs. Check your manual for the correct size for your vehicle if you are not certain.
Bearing Dimensions
METRIC:5mm (Inner) x10mm (Outer) x3mm (Width)
(Used primarily in Schumacher CAT L1 Evo front hubs)