MPNbase

N300-series

Model list for the N300-series cylindrical roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.

22 models 17–130 mm bore range Full / partial / verify match grading

Model d (mm) D (mm) B (mm) Seal Clearance Cross refs
N303-ECP 17 47 14 open CN 2
N304-ECP 20 52 15 open CN 5
N305-ECP 25 62 17 open CN 5
N306-ECP 30 72 19 open CN 5
N307-ECP 35 80 21 open CN 5
N308-ECP 40 90 23 open CN 5
N309-ECP 45 100 25 open CN 5
N310-ECP 50 110 27 open CN 5
N311-ECP 55 120 29 open CN 5
N312-ECP 60 130 31 open CN 5
N313-ECP 65 140 33 open CN 5
N314-ECP 70 150 35 open CN 5
N315-ECP 75 160 37 open CN 5
N316-ECP 80 170 39 open CN 5
N317-ECP 85 180 41 open CN 5
N318-ECP 90 190 43 open CN 5
N319-ECP 95 200 45 open CN 5
N320-ECP 100 215 47 open CN 5
N321-ECP 105 225 49 open CN 2
N322-ECP 110 240 50 open CN 3
N324-ECP 120 260 55 open CN 3
N326-ECM 130 280 58 open CN 3