Characteristic inner ring frequency, BPFI NTN 7E-HMK2620CT Drawn cup needle roller bearings

Fw:26 mm; D:34 mm; C:20 mm; Dw:3 mm; Lw:14.8 mm; Lubrication hole on outer ring:Non/No; Inner ring reference:No; Mass:0.04 kg; Cr:21 kN; C0r:30.5 kN; Nlim (grease):6,000 rpm; Nlim (oil):9,000 rpm; Min operating temperature, Tmin:-20 °C; Max operating temperature, Tmax:120 °C; Characteristic cage fre