R6ZZ (I.D.=3/8", O.D.=7/8", Thickness=9/32")r6z bearings are shielded on BOTH SIDES to keep lubricant inChromium Steel long-life bearings, smooth and low noiseABEC Tolerance 5 (P5), Z1 Noise Level for most general useStatic load rating of 1422 newtons and dynamic load rating of 3332 newtons.
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