This 40 x 62 x 22 mm (NA4908) bearing is a needle roller bearing. The NA4908 inner diameter is 40 mm, the NA4908 outer diameter is 62 mm, the NA4908 width is 22 mm.
Specs:
Inner Diameter (d): 40 mm Outer Diameter (D): 62 mm Width (B): 22 mm Bearing Model: NA4908 Material: GCR15 Bearing Steel