Precision Ball Bearings 309RDS-BKE 7

Weight-21.4 mm Recommended tightening torque for set screw-4 mm B-20.8 kN C--20 °C C1-100 °C

Fatigue limit load, Cu-1.4 Nlim (oil)-188 kN Nlim (grease)-22.9 kN Min operating temperature, Tmin-3,900 rpm Max operating temperature, Tmax-2,900 rpm

B-0.42 Hz C-6.18 Hz T-7.6 Hz d1-10.4 Hz a-164 mm

T min.-4 mm T max.-23.2 kN Weight--20 °C Recommended tightening torque for set screw-85 °C Designation of housing-0.88 kg

rs min-0.9 kg r1s min-74 kN e-71 kN Y2-8.7 kN Y0-8,400 rpm

Weight-54.2 mm Recommended tightening torque for set screw-68.4 mm B-1 mm C-C3 C1-0.24 kg

Contact angle α-73.02 mm rs min-17.46 mm r1s min-12.7 mm f0-16.67 mm Precision class-56.8 mm

Mass-8,150 kN Dynamic load, C-18,300 kN Rating life coefficient, A2-1,271 kN Static load, C0-310 rpm Fatigue limit load, Cu-460 rpm

Nlim (oil)-4.73 Hz Nlim (grease)-3.59 Hz Min operating temperature, Tmin-5.41 Hz Max operating temperature, Tmax-17 mm Characteristic cage frequency, FTF-30 mm

Preload value-2.5 mm Axial rigidity-360 mm Radial rigidity-480 mm Min operating temperature, Tmin-76 mm Max operating temperature, Tmax-57 mm

Y0-1.5 mm Radial clearance class-CN Mass-1.62 kg Brand-130 kN Dynamic load, C-162 kN

Nlim-0.44 Hz Min operating temperature, Tmin-7.51 Hz Max operating temperature, Tmax-8.71 Hz Characteristic cage frequency, FTF-11.29 Hz Characteristic rolling element frequency, BSF-83 mm

Ca min-8 mm Cb min-1.1 ra max-19 mm r1a max-3.97 mm d1-18.2 kN

Preload value-169 kN Axial rigidity-20.6 kN Radial rigidity-4,700 rpm Min operating temperature, Tmin-3,500 rpm Max operating temperature, Tmax--40 °C

T max.--40 °C Weight-120 °C B-0.43 Hz B1-7.37 Hz B2-7.37 Hz

J1-228 kN L-25.6 kN L1-4,600 rpm N-3,900 rpm s1--40 °C

Radial clearance class-7.28 Hz Mass (without HJ ring)-71 mm Brand-74 mm Dynamic load, C-66 mm Static load, C0-5 mm

Characteristic cage frequency, FTF-3.63 Hz Characteristic rolling element frequency, BSF-3.99 Hz Characteristic outer ring frequency, BPF0-6.01 Hz Characteristic inner ring frequency, BPFI-27 mm db-45 mm

Characteristic rolling element frequency, BSF-62 mm Characteristic outer ring frequency, BPF0-85 mm Characteristic inner ring frequency, BPFI-5/16-24UNF ra max-6.5 mm r1a max-1.1