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-shielded 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 Shielded Style(Optional) Inner Diameter Outer Diameter Thickness 6700-ZZ 10mm/0.39in 15mm/0.59in 4mm/0.16in 6701-ZZ 12mm/0.47in 18mm/0.71in 4mm/0.16in 6702-ZZ 15mm/0.59in 21mm/0.83in 4mm/0.16in 6703-ZZ 17mm/0.67in 23mm/0.91in 4mm/0.16in 6704-ZZ 20mm/0.79in 27mm/1.06in 4mm/0.16in Package List: 10*Ball Bearing Note: 1. As different computers display colors differently, the color of the actual item may vary slightly from the above images. 2. Please allow 1-3mm differs due to manual measurement.