10x FR188ZZ Flange Deep Groove Ball Bearings Double Shielded Chrome Steel
[Size] – FR188ZZ ABEC1 bearing (I.D.=1/4″, O.D.=1/2″, Thickness=3/16″, Flange Dia: 35/64″).[Durable] – Chrome Steel (GCr15) races offer high hardness and great wear resistance, thus extend bearings’ service life.[Load & Speed] – Dynamic load rating of 344N and static load rating of 80N. The limiting speed is 40000 RPM under grease lubricating.[Easy to Maintain] – Shields on both sides to keep lubricant in. Z2 noise level for most general use.[Application] – Commonly used for glider/rocker arm, wheel of the cart, lawnmower, printers, fax machines, power tools, and other homemade projects.