NAST25ZZ Track Needle Roller Shielded Bearing 25x52x20mmNAST25ZZ Track Needle Roller Shielded Bearing NAST25ZZ Track Needle Roller Shielded Bearing 25x52x20mm NAST25ZZ Track Needle Roller Shielded Bearing 25mm x 52mm x 20mm VXB Bearing NAST25ZZ Track Needle Roller Shielded Bearing 25x52x20mm, Bearing inner diameter is 25mm, Bearing outer diameter is 52mm and Bearing width is 20mm. NAST25ZZ Track Roller Bearing Size: 25mm x 52mm x 20mm Bearing Inner Diameter: 25mm Bearing Outer Diameter: 52mm Bearing Width