This 12 x 24 x 13 mm (NA4901) bearing is a needle roller bearing. The NA4901 inner diameter is 12 mm, the NA4901 outer diameter is 24 mm, the NA4901 width is 13 mm.
Specs:
Inner Diameter (d): 12 mm Outer Diameter (D): 24 mm Width (B): 13 mm Bearing Model: NA4901 Material: GCR15 Bearing Steel
