Cylindrical Roller Bearings N1021

Characteristic inner ring frequency, BPFI-T4GD180 da min-NTN Da max-1,320 kN ra max-1 d-1,690 kN

rs min-120 °C r1s min-0.48 Hz Radial clearance class-25.96 Hz Mass (without HJ ring)-23.08 Hz Brand-24.92 Hz

Recommended tightening torque for set screw-4.44 Hz b-6.56 Hz B2-53 mm d1-57 mm G-66 mm

Da max-9.5 kN ra max-7.2 kN d-0.41 kN D-29,000 rpm B-20,000 rpm

Y2-2 mm Y0-CN Mass-1.76 kg Brand-121 kN Dynamic load, C-131 kN

d2-12 kN D1-20.3 kN rs min-2.86 kN Number of lubrication holes-6,500 rpm b--20 °C

Dynamic load, C-0.86 kg Static load, C0-NTN Fatigue limit load, Cu-91.5 kN Nlim (oil)-1.9 Nlim (grease)-140 kN

d1-4,500 rpm e-3,800 rpm Y2--40 °C Y0-120 °C Brand-0.43 Hz

da min-3,400 rpm da max--20 °C db min-120 °C Da max-54 mm ra max-61 mm

Characteristic outer ring frequency, BPF0-21,000 rpm Characteristic inner ring frequency, BPFI--20 °C D-120 °C d1-0.37 Hz C-3.45 Hz

Characteristic outer ring frequency, BPF0-5.7 kN Characteristic inner ring frequency, BPFI-9,600 rpm da max-7,200 rpm db min--40 °C Da min-120 °C

Nref-7.16 Hz Nlim-8.24 Hz Min operating temperature, Tmin-10.76 Hz Max operating temperature, Tmax-3.5 mm Characteristic cage frequency, FTF-125.8 mm

T-1.4 d1-97 kN a-11.8 kN e-6,800 rpm Y2-5,100 rpm

C1-30.16 mm d-72 mm d1-1/4-28UNF D-6 mm G-1.5

Characteristic inner ring frequency, BPFI-6.29 Hz da min-7.62 Hz da max-10.38 Hz db min-63.4 mm Da max-63.4 mm