5x SG15 Deep U Groove Ball Bearing 5mmx17mmx8mm Double Sealed GCr15 Bearings
SG15 (I.D.=5mm, O.D.=17mm, Thickness=8mm)SG15 bearings are Sealed on both sides to keep lubricant inChromium Steel long-life bearings, smooth and low noiseABEC Tolerance 1 (P0), Z2 Noise Level for most general useNumber of Pack: 5Pcs.