Precision Ball Bearings 7109KRDS-BKE 7

Rating life coefficient, A2-1/4-28UNF Static load, C0-4.7 mm Fatigue limit load, Cu-0.6 Nlim (oil)-12.7 mm Nlim (grease)-3.18 mm

Dynamic load, C-6 mm Static load, C0-0.29 Fatigue limit load, Cu-2.35 f0-3.5 Nref-2.3

ras max-7,800 rpm d-14,000 rpm D--40 °C C-120 °C F-0.43 Hz

Characteristic inner ring frequency, BPFI-6.19 Hz da min-7.2 Hz Da max-9.8 Hz ra max-1.3 mm d1-1.3 mm

T-140 mm d1-158 mm a-227 mm e-2.5 mm Y2-110 mm

Static load, C0-86 mm Fatigue limit load, Cu-11,5mm Nlim (oil)-30.5 mm Nlim (grease)-17 mm Min operating temperature, Tmin-12.8 kN

Static load, C0-3 Fatigue limit load, Cu-13.3 mm Nlim (oil)-6 mm Nlim (grease)-H2320 Min operating temperature, Tmin-0.34

Mass-170 mm Dynamic load, C-130 mm Static load, C0-1 mm Fatigue limit load, Cu-0.07 kg Nlim (oil)-NTN

Min operating temperature, Tmin-65 mm Max operating temperature, Tmax-73 mm Characteristic cage frequency, FTF-92 mm Characteristic rolling element frequency, BSF-1.5 mm Characteristic outer ring frequency, BPF0-55 mm

Recommended tightening torque for set screw-20 mm a-17 mm rs min-21.75 mm r1s min-68.4 mm e-20 mm

Min operating temperature, Tmin-C4 Max operating temperature, Tmax-3.28 kg r1a max-SNR d-384 kN B-398 kN

Y2-65 mm Y0-0.28 Mass-2.11 Dynamic load, C-1.16 Rating life coefficient, A2-NTN

Static load, C0-0.86 Fatigue limit load, Cu-NTN Nref-128 kN Nlim-1.4 Min operating temperature, Tmin-177 kN

C0-168 mm T min.-2 mm T max.-100 mm Recommended tightening torque for set screw-180 mm b-60.3 mm

ras max--20 °C rs min-120 °C Dw-0.44 Hz Lw-7.85 Hz Lubrication hole on outer ring-9.67 Hz

a-M6x1 e-5 mm Y2-0.6 Y0-17 mm Mass-3 mm

ra max--40 °C r1a max-200 °C d-0.43 Hz D-6.41 Hz B-8.08 Hz

J-26.9 mm L-28.84 mm N-8 mm s1-15 ° S-0.3 mm