... performance 4.quality grades :G2 G3 original products NR needle roller ,needle bearing These rollers are in high precision, and widely ... ,Stainless steel,20crmo,40crmo,45detailed information StructureNeedle roller SeriesQY,etcMaterialGCR15, stainless steel Size1- 5.8 mmQuality gradeG2,G3,G5DeliveryReady goods and stock ... any time. 2012 year low sales flate shape NR needle roller ,needle bearing