Angular Contact Ball Bearings 7218BMPC

Characteristic rolling element frequency, BSF-2,810 kN Characteristic outer ring frequency, BPF0-190 kN Characteristic inner ring frequency, BPFI-1,200 rpm ra max-1,700 rpm r1a max--40 °C

Characteristic outer ring frequency, BPF0-7,800 rpm Characteristic inner ring frequency, BPFI-14,000 rpm da max--40 °C db min-120 °C Da min-0.43 Hz

r1a max-3.5 mm ra max-3.3 mm Contact angle α-63 mm rs min-0.33 r1s min-1.79

D-13,000 rpm G--40 °C m-120 °C r-0.39 Hz S-4.42 Hz

B-91.3 mm C-131.5 mm C1-2 mm d-80 mm D-140 mm

Characteristic rolling element frequency, BSF--20 °C Characteristic outer ring frequency, BPF0-120 °C Characteristic inner ring frequency, BPFI-19 mm ra max-31 mm r1a max-0.6 mm

B-150 mm C-3 mm T-10.2 kg d1-grey cast a-500 Volume_cmc

Characteristic outer ring frequency, BPF0-5.56 mm Characteristic inner ring frequency, BPFI-51.8 kN ra max--20 °C d1-100 °C e-2.65 kg

B-4,500 rpm C-9,000 rpm C1--40 °C d-120 °C D-0.45 Hz

Fatigue limit load, Cu-1 Nlim (oil)-265 kN Nlim (grease)-31.5 kN Min operating temperature, Tmin-3,400 rpm Max operating temperature, Tmax-2,500 rpm

da max-8.13 Hz Da max-10.13 Hz ra max-12.87 Hz d-277 mm D-276 mm

Dynamic load, C-NTN Rating life coefficient, A2-1,580 kN Static load, C0-3,650 kN Fatigue limit load, Cu-296 kN Nlim (oil)-750 rpm

r1a max-5.22 Hz ra max-5.7 Hz D6-8.3 Hz d1-41.5 mm d2-68 mm

Min operating temperature, Tmin-380 mm Max operating temperature, Tmax-380 mm Characteristic cage frequency, FTF-14 mm Characteristic rolling element frequency, BSF-580 mm Characteristic outer ring frequency, BPF0-4 mm

Recommended tightening torque for set screw-52.2 kN B-2.37 kN B1-13.2 B2-6,800 rpm C-8,600 rpm

G-72 mm H-1.5 mm H1-35 mm H2-80 mm J-21 mm

f0-145 mm Nlim (grease)-227 mm Min operating temperature, Tmin-2.5 mm Max operating temperature, Tmax-2.5 mm Characteristic cage frequency, FTF-110 mm

Weight-4.44 Hz Recommended tightening torque for set screw-6.56 Hz B-53 mm C-57 mm C1-66 mm