MPNbase

NJ300-series

Model list for the NJ300-series cylindrical roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.

29 models 17–240 mm bore range Full / partial / verify match grading

Model d (mm) D (mm) B (mm) Seal Clearance Cross refs
NJ303-ECP 17 47 14 open CN 2
NJ304-ECP 20 52 15 open CN 5
NJ305-ECP 25 62 17 open CN 5
NJ306-ECP 30 72 19 open CN 5
NJ307-ECP 35 80 21 open CN 5
NJ308-ECP 40 90 23 open CN 5
NJ309-ECP 45 100 25 open CN 5
NJ310-ECP 50 110 27 open CN 5
NJ311-ECP 55 120 29 open CN 5
NJ312-ECP 60 130 31 open CN 5
NJ313-ECP 65 140 33 open CN 5
NJ314-ECP 70 150 35 open CN 5
NJ315-ECP 75 160 37 open CN 5
NJ316-ECP 80 170 39 open CN 5
NJ317-ECP 85 180 41 open CN 5
NJ318-ECP 90 190 43 open CN 5
NJ319-ECP 95 200 45 open CN 5
NJ320-ECJ 100 215 47 open CN 5
NJ321-ECP 105 225 49 open CN 2
NJ322-ECJ 110 240 50 open CN 3
NJ324-ECJ 120 260 55 open CN 3
NJ326-ECJ 130 280 58 open CN 3
NJ328-ECJ 140 300 62 open CN 2
NJ330-ECML 150 320 65 open CN 1
NJ332-ECML 160 340 68 open CN 1
NJ336-ECM 180 380 75 open CN 1
NJ340-ECML 200 420 80 open CN 1
NJ344-M 220 460 88 open CN 1
NJ348-MA 240 500 95 open CN 1