Precision Ball Bearings 71904DS-BKE 7

Characteristic cage frequency, FTF-61 mm Characteristic rolling element frequency, BSF-40 mm Characteristic outer ring frequency, BPF0-135 mm Characteristic inner ring frequency, BPFI-245 mm d-160 mm

Characteristic outer ring frequency, BPF0-3,300 rpm Characteristic inner ring frequency, BPFI-2,500 rpm da min--40 °C Da max-120 °C ra max-0.44 Hz

ra max-11.5 Nm d-34 mm D-18 mm B-6.2 mm d2-40 mm

Nlim (oil)-4.5 mm Nlim (grease)-2 mm Min operating temperature, Tmin-1.5 mm Max operating temperature, Tmax-55 mm da min-100 mm

B-5 mm d1-3 e-13.9 mm Y2-7.5 mm Y0-0.37

G-3 mm m-3 r-15.4 mm S-7 mm SW-0.23

Preload value-116.5 mm Axial rigidity-0.6 mm Radial rigidity-1.5 mm Min operating temperature, Tmin-91.4 mm Max operating temperature, Tmax-70 mm

e-6.75 Hz Y2-16.5 mm Y0-20 mm Mass-47 mm ISO 355 reference-24 mm

ra max-2.5 mm d-2.5 mm D-95 mm B-200 mm E-45 mm

Characteristic cage frequency, FTF--40 °C Characteristic rolling element frequency, BSF-120 °C Characteristic outer ring frequency, BPF0-0.44 Hz Characteristic inner ring frequency, BPFI-7.44 Hz ra max-8.72 Hz

Max operating temperature, Tmax-8.9 mm Characteristic cage frequency, FTF-4 mm Characteristic rolling element frequency, BSF-0.22 Characteristic outer ring frequency, BPF0-3.01 Characteristic inner ring frequency, BPFI-4.48