Angular Contact Ball Bearings 3311 A

db min-2.57 Hz Da max-4.43 Hz ra max-26.5 mm d-45.5 mm D-1 mm

Dynamic load, C-80 mm Static load, C0-125 mm Fatigue limit load, Cu-22 mm Nlim (oil)-95.2 mm Nlim (grease)-91.7 mm

Rating life coefficient, A2-3 Static load, C0-15.3 mm Fatigue limit load, Cu-7 mm Nlim (oil)-H3130 Nlim (grease)-0.25

ra max-84.2 mm B-2.1 mm d2-2.1 mm D1-C3 rs min-2.02 kg

Db min-51.8 kN Dc max--20 °C ra max-100 °C r1a max-2.89 kg d-22 Nm

s1-5.52 Hz S-6.34 Hz C-8.66 Hz C0-121 mm T min.-118 mm

Characteristic outer ring frequency, BPF0-2.68 Characteristic inner ring frequency, BPFI-C4 da min-14 kg da max-SNR dc min-912 kN

Dynamic load, C-0.43 Hz Static load, C0-7.08 Hz Fatigue limit load, Cu-7.78 Hz f0-10.22 Hz Nlim (grease)-0.5 mm

Nlim (grease)-0.42 Hz Min operating temperature, Tmin-5.82 Hz Max operating temperature, Tmax-4.58 Hz da min-6.42 Hz Da max-22 mm

G-8 m-0.72 kN r-124 N/µm S-588 N/µm SW--30 °C

T min.-1.87 T max.-2.79 Weight-1.83 B-C3 B1-2.27 kg

Characteristic inner ring frequency, BPFI-15.2 kN ra max--20 °C r1a max-100 °C d-0.56 kg B-5.5 Nm

Static load, C0-2.55 kg Fatigue limit load, Cu-NTN Nlim (oil)-107 kN Nlim (grease)-94 kN Min operating temperature, Tmin-3.8 kN

Nlim (grease)-1.5 mm Min operating temperature, Tmin-1.5 mm Max operating temperature, Tmax-0.37 Characteristic cage frequency, FTF-1.6 Characteristic rolling element frequency, BSF-0.88

Characteristic cage frequency, FTF-24.07 mm Characteristic rolling element frequency, BSF-55.5 mm Characteristic outer ring frequency, BPF0-0.67 Characteristic inner ring frequency, BPFI-0.9 da min-0.49

Lubrication hole on inner ring-1.09 t-NTN Precision class-73 kN Mass-1.4 Brand-90.5 kN