Angular Contact Ball Bearings 309RDT1-1/2

T min.-1.79 T max.-0.99 Weight-NTN Recommended tightening torque for set screw-76 kN B-1.4

Weight-5,700 rpm Recommended tightening torque for set screw--20 °C B-120 °C C-0.4 Hz C1-4.7 Hz

Db min-176 mm Ca min-179 mm Cb min-6 mm ra max-16.5 mm r1a max-3 mm

Precision class-16.52 mm Mass-11.91 mm Brand-15.88 mm Cr-53 mm C0r-14.48 mm

r1a max-39.69 mm ra max-30.39 mm Contact angle α-58 mm rs min-0.27 r1s min-2.2

Y0-45 kN Brand--20 °C Dynamic load, C-100 °C Rating life coefficient, A2-2.02 kg Static load, C0-27.1 Nm

B-70 mm d1-100 mm e-16 mm Y2-1 mm Y0-CN

Nref-8.25 Hz Nlim-10.75 Hz Min operating temperature, Tmin-63 mm Max operating temperature, Tmax-65 mm Characteristic cage frequency, FTF-60 mm

Nlim (oil)-20 mm Nlim (grease)-6.5 mm Min operating temperature, Tmin-49.21 mm Max operating temperature, Tmax-69.9 mm Characteristic cage frequency, FTF-90 mm

T min.-20 mm T max.-47 mm Weight-14 mm Recommended tightening torque for set screw-1 mm Designation of housing-CN

da max-61 mm Da max-56 mm ra max-5 mm d-99 mm D-2 mm

Mass-55.56 mm Brand-100 mm Dynamic load, C-3/8-24UNF Rating life coefficient, A2-9 mm Static load, C0-1.1