1000-Pack Flanged Sealed F688-2RS Bearings 8x16x5 BearingsF688 2RS Flanged Sealed Ball Bearings 8mm x 16mm x 5mm Lot of 1000 Bearings Lot of 1000 Bearings F688 2RS Flanged Sealed, each F688 2RS bearing is rubber sealed from both sides to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation, inner diameter is 8mm, outer diameter is 16mm and width is 5mm. F688 2RS Flanged Ball Bearings Deep Groove Ball Bearings Shields: 2