Premium ABEC-5 Bearing 5mm Metric Ceramic Stainless Steel Shielded Bearing Outer Diameter - 13mm the NJ311 inner diameter is

the NJ311 inner diameter is 55mm

🟢 Type: Deep groove radial bearing

Balls: Ceramic balls

Size: 12mm x 28mm x 8mm/Metric

7015CYP4BNLS Angular Ball Bearing

Premium ABEC-5 Bearing 5mm Metric Ceramic Stainless Steel Shielded Bearing Outer Diameter - 13mm the NJ311 inner diameter is5 x 11 x 4 Premium ABEC 5 Stainless Steel Ball Bearing with Si3N4 Ceramic Balls (Silicon Nitride) 5 x 11 x 4 Stainless Steel Ball Bearings with Ceramic Balls Premium ABEC 5 quality, a standard bearing size with dimensions commonly used across many industries: 5mm x 11mm x 4mm. 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