10-Pack Ceramic Bearing 6x12x4 - Sealed - Miniature outer diameter 480 the NJ217 outer diameter is

the NJ217 outer diameter is 150mm

61907 Full Ceramic Ball Bearing

✅ Closures: PTFE white covers

the S6008-2RS outer diameter is 68mm and the S6008-2RS width is 15mm

10-Pack Ceramic Bearing 6x12x4 - Sealed - Miniature outer diameter 480 the NJ217 outer diameter is6 x 12 x 4 Sealed Ball Bearings With Ceramic balls 10 Ball Bearings 6 x 12 x 4 Sealed Ball Bearings With Ceramic balls, bearing has 2 Sealed to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for smooth operation. 6 x 12 x 4 Ball Bearings Deep Groove Ball Bearings Balls: Ceramic Closures: Seals Material: Chrome Steel Lubrication: Pre lubricated with grease Size: 6mm x 12mm x 4mm