Needle rollers are separable radial bearings with very low sectional heights that feature high load carrying capability. Needle & Cylindrical Rollers of Lily Bearing are available in designs according to DIN 5A02 Sheet 3, and is 421 7-1981, with different shape of ends.Hardened & Tempered to 58-6A HRC (Type NRA,NRB,BP, BPM, BR) Material Grade: SAE 52100- EN 31 for bearings and auto industries and many more applications-off the shelf available range of dia min 0.03mm to 40mm in different and standard lengths.