High Precision 8-Pack Skateboard Si3N4 Ceramic ABEC-7 Ball bearings

High Precision Ceramic Si3N4 ABEC-7 Sealed Skateboard Ball Bearing Pack of 8 8mm x 22mm x 7mm 8 Skateboard Ball Bearings S608-2RS high precision sealed, radial and deep groove ball bearing,S608-2RS bearing is made from stainless steel with Si3N4 Ceramic (Silicon Nitride) balls,S608-2RS bearing is closed with rubber seals to protect the bearing from dust or any possible contamination. It's ABEC-7 quality to ensure high speed. S608-2RS Ball Bearing S608-2RS Skateboard Bearing Dimensions: 8mm x 22mm x 7mm/Metric ID (inner diameter)/Bore: 8mm OD (outer diameter): 22mm Width: 7mm Size: 8 x 22 x 7 mm Closures: Sealed Quality: ABEC-7 (P4) Radial Clearance: C3 Material: Stainless Steel Grade 440C Balls: Si3N4 Ceramic (Silicon Nitride) Quantity:8 Bearings Lubrication: Dry 💡 What Does ABEC-7 Mean? ABEC-7 is a high-precision rating from the Annular Bearing Engineers’ Committee (ABEC), indicating extremely tight manufacturing tolerances. These bearings provide ultra-smooth, low-friction p