RPM=100
NJ309ECJ: inner ring = 13.04 out ring=8.62 rolling=7.83 cage=0.66
NJ314ECM/C4: inner ring = 12.98 out ring=8.69 rolling=8.08 cage=0.67
NJ311ECP: inner ring = 29.60 out ring=25.4 rolling=21.73 cage=0.77
NJ210E: inner ring =11.253 out ring=15.414 rolling=5.211 cage=0.703