Precision Ball Bearings 7122KRDS-BKE 7

Characteristic outer ring frequency, BPF0-6.19 Hz Characteristic inner ring frequency, BPFI-7.2 Hz da min-9.8 Hz da max-1.3 mm Da max-1.3 mm

Characteristic cage frequency, FTF-81.5 mm Characteristic rolling element frequency, BSF-65.5 mm Characteristic outer ring frequency, BPF0-108.5 mm Characteristic inner ring frequency, BPFI-1 mm da min-1.1 mm

f0-1 Nref-59.2 kN Nlim-7.2 kN Min operating temperature, Tmin-6,900 rpm Max operating temperature, Tmax-12,000 rpm

Static load, C0-31 kN Fatigue limit load, Cu-66 kN Nlim (oil)-11.4 kN Nlim (grease)-2,600 rpm Min operating temperature, Tmin--20 °C

Mass-10.2 Hz Dynamic load, C-12.8 Hz Static load, C0-128.8 mm Fatigue limit load, Cu-171.2 mm Nlim (oil)-2 mm

F--40 °C rs min-200 °C r1s min-0.42 Hz Radial clearance class-6.27 Hz Mass (without HJ ring)-7.62 Hz

Mass (without HJ ring)-27 mm Brand-35 mm Dynamic load, C-11 mm Static load, C0-85 mm Fatigue limit load, Cu-119 mm

Nlim (grease)-71 mm Axial displacement K Factor-75 mm Preload level-86 mm Preload value-119 mm Axial rigidity-2 mm

Characteristic outer ring frequency, BPF0-3 Characteristic inner ring frequency, BPFI-11 mm da min-5 mm da max-0.32 db min-2.09

Characteristic rolling element frequency, BSF-3.7 Nm Characteristic outer ring frequency, BPF0-21.4 mm Characteristic inner ring frequency, BPFI-30.9 mm ra max-13.5 mm a-15 mm

Static load, C0-1.2 Fatigue limit load, Cu-19 mm Nlim (oil)-4.76 mm Nlim (grease)-23.2 kN Min operating temperature, Tmin--20 °C