7x11x3.5 Bearing Stainless Steel - Shielded - Miniature Outer Diameter - 3 1/16 inch (3.0625") the NU320 inner diameter is

the NU320 inner diameter is 100mm

65mm x 100mm x 18mm

7208 Nachi Ball Bearing

the 6026-2NSE inner diameter is 130mm

N220EG Bearing

7x11x3.5 Bearing Stainless Steel - Shielded - Miniature Outer Diameter - 3 1/16 inch (3.0625") the NU320 inner diameter isBall Bearings 7x11x3. 5 Stainless Steel One Bearing Ball Bearing Stainless Steel Ball Bearings, a standard bearing size with dimensions commonly used across many industries: 7mm x 11mm x 3. 5mm. Bearings are made from stainless steel Bearing has 2 Metal Shield to protect the bearing from dust or any possible contamination. Double Shielded Ball Bearings Size: 7mm x 11mm x 3. 5mm Deep groove ball bearings Material: Stainless Steel Shield Double Metal