10-Pack Bearings R166ZZ 3/16" x 3/8" x 1/8"inch Miniature Bearings bearing part ✅ Balls: 9 black Si3N4

✅ Balls: 9 black Si3N4 ceramic balls per bearing

Static load rating Cor: 461

25" Chrome Steel

It’s optimized for speed

10-Pack Bearings R166ZZ 3/16" x 3/8" x 1/8"inch Miniature Bearings bearing part ✅ Balls: 9 black Si3N4R166ZZ Shielded Ball Bearings 3 16" x 3 8" x 1 8" inch Lot of 10 Bearings R166ZZ Shielded Ball Bearings, measures an inner diameter of 3 16", outer diameter is 3 8" and the width is 2 16", additionally, these bearings come pre lubricated with grease for smooth operation, each Comes with double metal shields (ZZ) to keep out dust and dirt. R166ZZ Ball Bearings Deep Groove Ball bearings Shield Double Metal Shields for dust protection (ZZ) Lubrication: