1、100% brand new and high-quality. 2、It can work well at a high speed and will not break. 3、The deep groove rollaway provides more accurate pathway for the balls. 4、It is made of well-made bearing steel that can withstand high pressure. 5、Double-sealed plate provides better working environment in operation. Features: 100% brand new and high-quality. It can work well at a high speed and will not break. The deep groove rollaway provides more accurate pathway for the balls. It is made of well-made bearing steel that can withstand high pressure. Double-sealed plate provides better working environment in operation. Specification: Holder Material:Steel Plate Application:General Scroll Column:Single Groove Type:Deep Groove Bearing Material:Bearing Steel Scroll Type:Ball Angle:15 Degree Sealed Cap:Double Sealed Style(Optional) Inner Diameter Outer Diameter Thickness 6705-2RS 25mm/0.98in 32mm/1.26in 4mm/0.16in 6707-2RS 35mm/1.38in 44mm/1.73in 5mm/0.2in 6708-2RS 40mm/1.57in 50mm/1.97in 6mm/0.24in 6709-2RS 45mm/1.77in 55mm/2.17in 6mm/0.24in 6710-2RS 50mm/1.97in 62mm/2.44in 6mm/0.24in Package List: 1*Ball Bearing Note: As different computers display colors differently, the color of the actual item may vary slightly from the above images.