TOP-VIGOR 10pcs 606-2RS Deep Groove Ball Bearings 6mmx17mmx6mm, High Precision Double Rubber Sealed Pre-Lubricated Ball Bearings Made of Specific Bearing Steel
[Pre-lubricated] All our bearings are pre-lubriated for smooth,easy and noiseless spin.
[Double-Rubber Sealed] Our bearings Shields sealed on both sides keep lubricant in and contaminants out, easuring stable performane and long life
[Bearing Steel Material] Made of high performance bearing steel, these bearings are super durable and highly resistant to rust and corrosion.Compared with other carbon steel bearing, our bearings can spin very cleanly and easily without deformity under heavy loads.