Needle Roller Bearings Metric Series NA, NKI, NKIS IKO NTN INA SKF KHK KTC Brands Bearing no. are given below :- NA 4900 NKI 10/16 NKI 10/20 NKIS 10 NA 4901 NKI 12/16 NKI 12/20 NA 6901 NKIS 12 NKI 15/16 NKI 15/20 NA 4902 NA 6902 NKIS 15 NKI 17/16 NKI 17/20 NA 4903 NA 6903 NKIS 17 NKI 20/16 NKI 20/20 NA 4904 NA 6904 NKIS 20 NKI 22/16 NKI 22/20 NKI 25/20 NKI 25/30 NA 4905 NA 6905 NKIS 25 NKI 28/20 NKI 28/30 NKI 30/20 NKI 30/30 NA 4906 NA 6906 NKIS 30 NKI 32/20 NKI 32/30 NKI 35/20 NKI 35/30 NA 4907 NA 6907 NKIS 35 NKI 38/20 NKI 38/30 NKI 40/20 NKI 40/30 NA 4908 NA 6908 NKIS 40 NKI 42/20 NKI 42/30 NKI 45/25 NKI 45/35 NA 4909 NA 6909 NKIS 45 NKI 50/25 NKI 50/35 NA 4910 NA 6910 NKIS 50 NKI 55/25 NKI 55/35 NA 4911 NA 6911 NKIS 55 NKI 60/25 NKI 60/35 NA 4912 NA 6912 NKIS 60 NKI 65/25 NA 4913 NKI 65/35 NA 6913 NKIS 65 NKI 70/25 Needle Roller bearings dealers in durgapur.