688ZZ Shielded Ball Bearings 688ZZ Shielded Ball Bearings, 688ZZ Bearings are made of Chrome Steel, each bearing has 2 Metal Shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease. Item: 688ZZ Shielded Ball Bearings Type: Deep Groove Ball Bearings Lubrication: Self Lubricated (Grease) Dynamic load rating Cr: 1,600 N Static load rating Cor: 710 N Grease Lubrication: 42,000 RPM Packing: 10 bearings in One plastic tube FITS: MINIATURE AIRCRAFT X-CELL 30-40 FITS: MINIATURE AIRCRAFT X-CELL 50-60 FITS: PICCO CARS RS600 GAS (1:10) FITS: SCHUMAKER 911 TURBO SE FITS: SCHUMAKER BOSS CAT 4 WHEEL DRIVE FITS: SCHUMAKER BOSS CAT WORK EDITION FITS: SCHUMAKER NITRO 10 PANTHER FITS: SCHUMAKER NITRO 10 PORSCHA 911 FITS: SCHUMAKER NITRO 10 TRUCK F