Characteristic cage frequency, FTF NTN HMK1516LL/3AS Drawn cup needle roller bearings

Fw:15 mm; D:22 mm; C1:13 mm; Dw:2.5 mm; Lw:5.3 mm; Lubrication hole on outer ring:Non/No; Inner ring reference:IR12X15X16.5; Mass:0.02 kg; Cr:6.1 kN; C0r:6 kN; Nlim (grease):10,000 rpm; Min operating temperature, Tmin:-20 °C; Max operating temperature, Tmax:120 °C; Characteristic cage frequency, FTF