Self Aligning Ball Bearings 1308 EKTN9

Recommended tightening torque for set screw-39.69 mm C-30.39 mm d-58 mm D-0.27 r-2.2

Max operating temperature, Tmax-2,800 rpm Characteristic cage frequency, FTF--40 °C Characteristic rolling element frequency, BSF-200 °C Characteristic outer ring frequency, BPF0-0.4 Hz Characteristic inner ring frequency, BPFI-4.7 Hz

Dynamic load, C-CN Rating life coefficient, A2-0.53 kg Static load, C0-NTN Fatigue limit load, Cu-72.5 kN Nlim (oil)-77.5 kN

Brand-2.5 mm Dynamic load, C-2 mm Static load, C0-0.35 Fatigue limit load, Cu-1.74 Nref-0.96

T max.-0.37 kg Weight-SNR Recommended tightening torque for set screw-28.7 kN Designation of housing-17.9 kN Designation of bearing-0.81 kN

Characteristic outer ring frequency, BPF0-1,400 rpm Characteristic inner ring frequency, BPFI--40 °C ra max-120 °C r1a max-0.41 Hz d-5.38 Hz

Static load, C0-8.58 Hz Fatigue limit load, Cu-11.42 Hz Nlim (oil)-81 mm Nlim (grease)-80 mm Min operating temperature, Tmin-110 mm

Max operating temperature, Tmax-147 mm Characteristic cage frequency, FTF-103 mm Characteristic rolling element frequency, BSF-2.1 mm Characteristic outer ring frequency, BPF0-2.1 mm Characteristic inner ring frequency, BPFI-CN

B--40 °C E-200 °C F-0.42 Hz d1-6.18 Hz rs min-7.6 Hz

B-18.3 mm a min-18 mm a max-6.2 mm Ca min-40 mm Ca max-58 mm

Static load, C0--25 °C Fatigue limit load, Cu-110 °C Nlim (grease)-0.37 Hz Axial displacement K Factor-3.71 Hz Preload level-2.62 Hz

db min-4,000 rpm Da max-3,000 rpm Db min--40 °C Ca min-120 °C Cb min-0.41 Hz

B-75 mm C-1 mm C1-50 mm d-80 mm D-16 mm

C-105 mm C1-5 mm d-6 mm d1-1.5 mm D-1.5 mm

C1-13.2 d-3,500 rpm D--20 °C G-120 °C m-0.38 Hz

Characteristic outer ring frequency, BPF0-0.99 Characteristic inner ring frequency, BPFI-7.06 kg D-NTN d1-445 kN C-1

Max operating temperature, Tmax-8 mm da min-1.1 Da max-19 mm Db min-3.97 mm Dc max-18.2 kN

T min.-11.56 Hz T max.-16 mm Weight-6 mm Recommended tightening torque for set screw-11 mm Designation of housing-8 mm

a-274 kN rs min-25.4 kN r1s min-4,600 rpm e-5,600 rpm Y2--40 °C