Proven Part 693-ZZ Miniature Ball Bearings 3mm X 8mm X 4mm 3X8X4 R830-ZZ

Miniature Ball Bearings. a Miniature Ball Bearing is a Type of Small Rolling Element Bearing That Uses Roller Balls to Seperate Two Bearing Rings or Bearing Races. Part Number 693-Zz, 693Z, 693Zz, R830-Zz, R-830-Zz, Mr693-Zz, 693-2Zj1 and L-830Zz. The Bearings Have Metal SHields on Both Sides and Are Pre-Lubricated. Inside Diameter: 3Mm, Outside Diameter: 8Mm, Thickness: 4Mm.