Cylindrical Roller Bearings N421

Characteristic outer ring frequency, BPF0-1 mm Characteristic inner ring frequency, BPFI-25 mm ra max-52 mm r1a max-18 mm d-46.5 mm

Y0-0.3 mm Radial clearance class-19.5 mm Precision class-15 mm Mass-28 mm Dynamic load, C-7 mm

f0-15.08 mm Nlim (grease)-19.05 mm Min operating temperature, Tmin-42.5 mm Max operating temperature, Tmax-13.15 mm Characteristic cage frequency, FTF-0.33

Max operating temperature, Tmax-0.09 kg Characteristic cage frequency, FTF-11.2 kN Characteristic rolling element frequency, BSF-7.35 kN Characteristic outer ring frequency, BPF0-0.33 kN Characteristic inner ring frequency, BPFI-15.2

G-4.95 kN m-13,000 rpm r-8,400 rpm S-1.07 SW-7

B2-77 mm C-75 mm C1-106 mm d-111.5 mm d1-113 mm

Characteristic inner ring frequency, BPFI-10.3 Hz da min-12.7 Hz da max-72 mm Da max-72 mm ra max-93 mm

d1-CN a-0.29 kg e-NTN Y2-25.7 kN Y0-15.3 kN

Lubrication hole on outer ring--30 °C k-120 °C Radial clearance class-0.44 Hz Precision class-8.31 Hz Mass-8.42 Hz

Nlim (grease)-1.1 mm Min operating temperature, Tmin-C3 Max operating temperature, Tmax-0.56 kg Characteristic cage frequency, FTF-NTN Characteristic rolling element frequency, BSF-74.5 kN

r-4.77 Hz S-5.62 Hz SW-8.38 Hz C0-72 mm T min.-66 mm

SW-0.22 C0-3.07 T min.-4.57 T max.-3 Weight-CN

D-5.92 Hz C-8.08 Hz Dw-51.5 mm Lw-54 mm Lubrication hole on outer ring-57 mm

B-1/4-28UNF d1-4.7 mm e-0.6 Y2-12.7 mm Y0-3.18 mm

da min--40 °C da max-120 °C db min-0.4 Hz Da max-4.98 Hz ra max-4.44 Hz

a min-6,500 rpm a max--20 °C Ca min-120 °C Ca max-0.44 Hz rs min-8.38 Hz