10x R4ZZ Deep Groove Ball Bearing 1/4″x5/8″x0.196″ Shielded Z2 Lever Bearings
R4ZZ (I.D.=1/4″, O.D.=5/8″, Thickness=0.196″)r4-2z bearings are shielded on BOTH SIDES to keep lubricant inChromium Steel long-life bearings, smooth and low noiseABEC Tolerance 1 (P0), Z2 Noise Level for most general useStatic load rating of 615 newtons and dynamic load rating of 1480 newtons.