608 Full Ceramic Si3N4 Silicon Nitride - Skate Bearing 4x10x4 bearings ✅ Dynamic load rating: 1

✅ Dynamic load rating: 1

the NJ217 outer diameter is 150mm

If you're looking for a fast

23244EW33 Nachi Spherical Roller Bearing

the NJ222EG inner diameter is 110mm

608 Full Ceramic Si3N4 Silicon Nitride - Skate Bearing 4x10x4 bearings ✅ Dynamic load rating: 1608 Full Ceramic Ball Bearing Silicon Nitride 8 x 22 x 7mm PTFE Cage The 608 full ceramic bearing is built entirely from silicon nitride (SiN), offering unmatched strength, heat resistance, and zero magnetic conductivity. With a PTFE cage and standard 8mm bore, it's ideal for skating, lab equipment, and high speed, high performance applications where zero lubrication and extreme conditions are in play. Inner diameter: 8mm Outer diameter: 22mm Width: