The inner rings IR22X28X20 from the manufacturer NKE are characterized by their precise technical data: With an inner diameter of 22 mm, an outer diameter of 28 mm, and a width of 20 mm, they are versatile in use. The low weight of only 0.03 kg makes them particularly handy. Lubrication holes are not present, however, the raceways are finely machined and the end faces are flattened. The surface is not perfectly ground, which speaks for a high quality.
Inner dimension: 22 mm
Outer dimension: 28 mm
Width: 20 mm
Weight: 0.030000 kg