STO17ZZ-DZ Track Needle Roller Shielded Bearing 17x40x20mmSTO17ZZ DZ Track Needle Roller Shielded Bearing 17mm x 40mm x 20mm VXB Bearing STO17ZZ DZ Track Needle Roller Shielded Bearing 17x40x20mm, Bearing inner diameter is 17mm, Bearing outer diameter is 40mm and Bearing width is 20mm. STO17ZZ DZ Track Roller Bearing Size: 17mm x 40mm x 20mm Bearing Inner Diameter: 17mm Bearing Outer Diameter: 40mm Bearing Width : 20mm Inner Ring Included Quantity: 1 Bearing Brand: VXB Bearing Quantity: 1 Bearing