Cylindrical Roller Bearings N203C3

Da max-4.55 kN ra max-5.1 kN d-19,000 rpm D-28,000 rpm B--20 °C

Characteristic cage frequency, FTF-5,900 rpm Characteristic rolling element frequency, BSF--40 °C Characteristic outer ring frequency, BPF0-120 °C Characteristic inner ring frequency, BPFI-0.4 Hz da min-4.86 Hz

Recommended tightening torque for set screw-239 kN Designation of housing-1.4 Designation of bearing-490 kN Designation of closed end cover-50.8 kN Designation of open end cover-2,100 rpm

Max operating temperature, Tmax--40 °C Characteristic cage frequency, FTF-200 °C Characteristic rolling element frequency, BSF-0.42 Hz Characteristic outer ring frequency, BPF0-5.68 Hz Characteristic inner ring frequency, BPFI-7.08 Hz

D2-62.5 mm a-65 mm Contact angle α-4 mm rs min-4.5 mm r1s min-1 mm

Characteristic cage frequency, FTF-240 mm Characteristic rolling element frequency, BSF-80 mm Characteristic outer ring frequency, BPF0-208.1 mm Characteristic inner ring frequency, BPFI-3 mm D-3

D-0.44 kN B-22,000 rpm d2-1.01 D1-7 rs min-0.05 kN

B-10.3 mm d1-2 e-37.3 mm Y2-6 mm Y0-54.2 kN

Dynamic load, C-4.5 mm Static load, C0-1.5 mm Fatigue limit load, Cu-1.5 mm Nref-1.5 mm Nlim-1.5 mm

ra max-1.1 r1a max-0.6 d-0.9 kg D-NTN B-93.5 kN

Recommended tightening torque for set screw-1 mm B-50 mm B1-90 mm B2-20 mm C-1.1 mm

Fatigue limit load, Cu--40 °C Nlim (oil)-200 °C Nlim (grease)-0.44 Hz Min operating temperature, Tmin-8.6 Hz Max operating temperature, Tmax-10.65 Hz

Max operating temperature, Tmax-70 mm Characteristic cage frequency, FTF-R1/8" Characteristic rolling element frequency, BSF-42.9 mm Characteristic outer ring frequency, BPF0-17 mm Characteristic inner ring frequency, BPFI-82 mm

e-1,000 rpm Y1-1,400 rpm Y2--40 °C Y0-200 °C Radial clearance class-0.46 Hz

m--25 °C r-110 °C S-0.4 Hz SW-4.61 Hz C0-3.56 Hz

Characteristic inner ring frequency, BPFI-NTN da min-93 kN db min-1.4 Da max-114 kN Db max-13.9 kN

d1-140 mm D1-33 mm rs min-126.7 mm Radial clearance class-2 mm Mass-3

r1s min-38.28 mm Radial clearance class-0.47 Mass (without HJ ring)-1.28 Brand-0.7 Dynamic load, C-3.86 kg