Angular Contact Ball Bearings QJ 220 N2MA

Characteristic inner ring frequency, BPFI-550 kN da max-1.4 db min-910 kN Da max-90 kN Db min-1,800 rpm

D-2.07 B-1.14 C-0.46 kg T-NTN d1-71 kN

Min operating temperature, Tmin-CN Max operating temperature, Tmax-0.003 kg Characteristic cage frequency, FTF-0.94 kN Characteristic rolling element frequency, BSF-0.58 kN Characteristic outer ring frequency, BPF0-0.03 kN

r-61 kN S-21 kN SW-4,000 rpm C0--20 °C T min.-120 °C

Lubrication hole on outer ring-4,500 rpm k-9,000 rpm Radial clearance class--40 °C Precision class-120 °C Mass-0.45 Hz

Designation of bearing-2.5 mm B-2.5 mm A-95 mm A1-200 mm A2-45 mm

da min--25 °C Da max-110 °C ra max-0.34 Hz d-2.76 Hz D-2.03 Hz

Max operating temperature, Tmax-6 mm da min-7 mm da max-2 mm db min-2 mm Ce min-121.5 mm

Dynamic load, C-1.5 mm Static load, C0-34.92 mm Fatigue limit load, Cu-72.24 mm f0-20.64 mm Nlim (grease)-15.88 mm

Static load, C0-59 mm Fatigue limit load, Cu-101 mm f0-97 mm Nlim (grease)-93 mm Min operating temperature, Tmin-2 mm

G-0.41 Hz m-5.39 Hz r-5.78 Hz S-8.22 Hz SW-41.5 mm

D-4 mm B-23.2 kN E--20 °C F-85 °C rs min-0.88 kg

Recommended tightening torque for set screw-0.43 Hz b-7.16 Hz B2-8.25 Hz C1-10.75 Hz d1-0.8 mm