1100% brand new and high-quality. 2It can withstand the pressure of high speed operation. 3The deep-groove rollaway nest is more steady while operating. 4 The material is bearing steel which is especially for bearings. 5The double-sealed ball bearings provides a better running environment for bearing balls. Features: 100% brand new and high-quality. It can withstand the pressure of high speed operation. The deep-groove rollaway nest is more steady while operating. The material is bearing steel which is especially for bearings. The double-sealed ball bearings provides a better running environment for bearing balls. Specification: Material:Bearing Steel Model:6810-2rs Holder Material:Steel Plate Scroll Column:1 Rollaway Type:Deep-groove Rolling Element:Ball Angel:15 Seal Cover:Double Sealed Product Usage:General Size:50*65*7 mm/1.97*2.56*0.28 in Weight:51 g/1.8 oz Package List: 1*Deep Groove Ball Bearing Note: As different computers display colors differently, the color of the actual item may vary slightly from the above images.