MPNbase

300-series

Model list for the 300-series deep groove ball bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.

28 models 25–90 mm bore range Full / partial / verify match grading

Model d (mm) D (mm) B (mm) Seal Clearance Cross refs
305 25 62 17 open CN 8
305-ZZ 25 62 17 ZZ CN 8
306 30 72 19 open CN 8
306-ZZ 30 72 19 ZZ CN 8
307 35 80 21 open CN 7
307-ZZ 35 80 21 ZZ CN 7
308 40 90 23 open CN 5
308-ZZ 40 90 23 ZZ CN 5
309 45 100 25 open CN 6
309-ZZ 45 100 25 ZZ CN 6
310 50 110 27 open CN 6
310-ZZ 50 110 27 ZZ CN 6
311 55 120 29 open CN 6
311-ZZ 55 120 29 ZZ CN 6
312 60 130 31 open CN 6
312-ZZ 60 130 31 ZZ CN 6
313 65 140 33 open CN 6
313-ZZ 65 140 33 ZZ CN 6
314 70 150 35 open CN 6
314-ZZ 70 150 35 ZZ CN 6
315 75 160 37 open CN 6
315-ZZ 75 160 37 ZZ CN 6
316 80 170 39 open CN 6
316-ZZ 80 170 39 ZZ CN 6
317 85 180 41 open CN 6
317-ZZ 85 180 41 ZZ CN 6
318 90 190 43 open CN 6
318-ZZ 90 190 43 ZZ CN 6