NAST17R Track Roller Needle Bearing 17x40x16mm - Yoke TypeSTO17 Stud Track Rollers Yoke Type Sealed STO17 Stud Track Rollers Yoke Type Sealed With Inner Ring 17x40x15. 8mm NAST17R Track Rollers Yoke Type With Inner Ring 17mm x 40mm x 16mm VXB Bearing NAST17R Track Rollers Yoke Type With Inner Ring 17x40x16mm NAST17R Brand: VXB Track Rollers Closures: Sealed Size: 17x40x16mm Bearing Inner Diameter: 17mm Bearing Outer Diameter: 40mm Bearing Roller Width: 16mm Bearing Width: 15. 8mm Quantity: 1 Bearing