Proven Part 693-ZZ Miniature Ball Bearings 3mm X 8mm X 4mm 3X8X4 R830-ZZ 2 Pk

This is A Pack of Two 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. Warning:Lead-Nickel-Cancer and Reproductive Harm