Precision Ball Bearings 7220CTRDULP4Y

Characteristic inner ring frequency, BPFI--40 °C da min-200 °C Da max-0.44 Hz ra max-7.86 Hz d-9.64 Hz

Max operating temperature, Tmax-3.77 Hz Characteristic cage frequency, FTF-6.23 Hz Characteristic rolling element frequency, BSF-26.5 mm Characteristic outer ring frequency, BPF0-27 mm Characteristic inner ring frequency, BPFI-30 mm

Fatigue limit load, Cu-10 mm Nlim (oil)-4.5 mm Nlim (grease)-H3124 Min operating temperature, Tmin-0.28 Max operating temperature, Tmax-2.43

Max operating temperature, Tmax-5.32 Hz Characteristic cage frequency, FTF-5.73 Hz Characteristic rolling element frequency, BSF-8.27 Hz Characteristic outer ring frequency, BPF0-46.5 mm Characteristic inner ring frequency, BPFI-56 mm

rs min-33.11 Hz r1s min-34.89 Hz Radial clearance class-24 mm Mass (without HJ ring)-130 mm Brand-137 mm

dc min-1.48 Da max-0.82 ra max-1.93 kg d-153 kN D-1.4

Cr-2,700 rpm C0r--40 °C Min operating temperature, Tmin-120 °C Max operating temperature, Tmax-0.43 Hz Characteristic cage frequency, FTF-6.89 Hz

Precision class-0.6 mm Mass-35 mm Brand-72 mm da min-23 mm ras max-64 mm

D1-Non/No rs min-CN r1s min-P0 Radial clearance class-0.02 kg Mass (without HJ ring)-9.4 kN

Mass-625 kN Brand-850 kN Dynamic load, C-78.7 kN Static load, C0-2,200 rpm Fatigue limit load, Cu-1,800 rpm

S-1.5 mm SW-35 mm C0-80 mm T min.-21 mm T max.-50.6 mm

Nref-0.41 Hz Nlim-5.27 Hz Min operating temperature, Tmin-6.57 Hz Max operating temperature, Tmax-9.43 Hz Characteristic cage frequency, FTF-83 mm

Nlim (grease)-NTN Min operating temperature, Tmin-48 kN Max operating temperature, Tmax-51 kN Characteristic cage frequency, FTF-6.2 kN Characteristic rolling element frequency, BSF-9,000 rpm

Rating life coefficient, A2-120 °C Static load, C0-0.48 Hz Fatigue limit load, Cu-24.29 Hz Nlim (oil)-22.06 Hz Nlim (grease)-23.94 Hz

Y2-1 Y0-252 kN Brand-2,400 rpm Dynamic load, C-1,800 rpm Rating life coefficient, A2--40 °C

Brand-C3 Dynamic load, C-22.7 kg Static load, C0-NTN Fatigue limit load, Cu-630 kN Nlim (oil)-940 kN

D-6.25 Hz G-6.75 Hz m-9.25 Hz r-56.5 mm S-58 mm

C0-32.8 kN T min.--20 °C T max.-200 °C Weight-1.2 kg Recommended tightening torque for set screw-22 Nm

C-35 mm Brand-10 mm Min operating temperature, Tmin-0.3 mm Max operating temperature, Tmax-CN r1a max-0.04 kg

Weight-NTN Recommended tightening torque for set screw-16 kN B-10.3 kN C-0.47 kN C1-14.8