Angular Contact Ball Bearings 7311 BECBY

B-0.4 Hz D1-4.71 Hz rs min-5.18 Hz Number of lubrication holes-7.82 Hz b-64 mm

Characteristic outer ring frequency, BPF0-8.3 Hz Characteristic inner ring frequency, BPFI-3.5 mm da min-3.3 mm Da max-31.2 mm Db min-3.56 mm

C--40 °C C1-120 °C d-0.42 Hz D-6.12 Hz G-6.76 Hz

Characteristic outer ring frequency, BPF0-90.5 mm Characteristic inner ring frequency, BPFI-5 mm da min-4 mm db min-0.46 Da max-1.31

Static load, C0-19.8 mm Fatigue limit load, Cu-1.5 mm Nlim (oil)-1.5 mm Nlim (grease)-0.41 Min operating temperature, Tmin-1.48

Characteristic inner ring frequency, BPFI-73.9 mm da min-1 mm Da max-40 mm Db min-80 mm Dc max-28 mm

Dynamic load, C-73.9 mm Static load, C0-1 mm Fatigue limit load, Cu-40 mm f0-80 mm Nlim (grease)-28 mm

D-725 kN C-1 F-1,520 kN B-130 kN e-1,100 rpm

Min operating temperature, Tmin-5.01 Hz Max operating temperature, Tmax-5.25 Hz Characteristic cage frequency, FTF-7.75 Hz Characteristic rolling element frequency, BSF-29 mm Characteristic outer ring frequency, BPF0-31 mm

Static load, C0--20 °C Fatigue limit load, Cu-120 °C Nlim (oil)-0.41 Hz Nlim (grease)-5.44 Hz Min operating temperature, Tmin-8.22 Hz

N-3,900 kN s1-7,500 kN S-515 kN Z-530 rpm C-850 rpm

Characteristic inner ring frequency, BPFI--30 °C da min-120 °C Da max-0.37 Hz ra max-3.35 Hz d-3.66 Hz

Weight-27.8 mm Recommended tightening torque for set screw-5 mm B-44.8 kN C--40 °C C1-100 °C

rs min-38.1 mm r1s min-19 mm e-5 mm Y2-31.75 mm Y0-62 mm

Static load, C0-8 Nm Fatigue limit load, Cu-42.8 mm Nlim (grease)-56.3 mm Axial displacement K Factor-18.3 mm Preload level-22 mm

d-265 kN d1-29.2 kN D-4,300 rpm G-3,700 rpm m--40 °C