S689ZZ Ceramic Bearing Premium ABEC-5 Shielded 9x17x5 Bearing Inner Diameter - 22mm NU324 width is 55mm

NU324 width is 55mm

🟢 Contact Angle: 40°

🟢 Equivalent to: R1810-2Z

outer diameter is 3/8" and the width is 2/16"

the Inner Diameter is 40mm

S689ZZ Ceramic Bearing Premium ABEC-5 Shielded 9x17x5 Bearing Inner Diameter - 22mm NU324 width is 55mmS689ZZ Premium ABEC 5 Ceramic Stainless Steel Ball Bearing with Si3N4 Ceramic Balls (Silicon Nitride) 9mm x 17mm x 5mm S689ZZ Stainless Steel Ball Bearings with Ceramic Balls Premium ABEC 5 quality, Made of stainless steel, each Comes with double metal shields (ZZ) to keep out dust and dirt, Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings. S689ZZ Ball Bearing Deep Groove