uxcell MF84ZZ Flanged Ball Bearing 4x8x3mm Double Shielded Chrome Steel Flange Bearings, 20pcs

[Size] - MF84zz ABEC1 Bearings ( I.D.=4mm, O.D.=8mm, Thickness=3mm; Flange Dia: 9.2mm, Flange Thickness: 0.6mm ). [Durable] - Chrome Steel (GCr15) races offer high hardness and great wear resistance, thus extend bearings' service life. [Easy to Maintain] - Shields on Both sides to keep lubricant in. Z1 noise level for most general use. [Application] - Commonly used for glider/rocker arms, wheels of the cart, lawnmowers, printers, motors, gearboxes, reducer, textile machinery, electronic equipment, and more. [Note] - Please refer to the picture and select the right type of bearings before ordering (Sealed or Shield on BOTH or SINGLE side of the bearing).