20PCS 6mmx17mmx6mm Double Sealed 606-2RS Ball Bearings High Carbon Steel Z1

Ball BearingGeneral Information:[1]Same As 606-2RS / 180016. Pre-Lubricated, Easy to maintain[2]Sealed on BOTH SIDES of the bearing to keep lubricant in. Suitable for complex environment[3]Made from High Carbon Steel, durability and resistance to under heavy loads[4]ABEC Tolerance 1 (P0), Z1 Noise Level for most general use[5]Size: 606-2RS (Inner Dia.=6mm, Outer Dia.=17mm, Thickness=6mm).