71913HVUJ74 - SNR


High precision angular contact ball bearing, laminated resin cage centred on outer ring

In the ball bearing and high precision bearing ranges, the high precision angular contact ball bearing solves the maximum reliability constraints with increased performance in terms of rigidity, speed, capacity and precision. This bearing is recommended for demanding applications in terms of precision such as machine tool spindles. NTN-SNR is getting under ranges dedicated to requirements of speed, sealing, specific greasing, etc.


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Технический паспорт

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Internal diameter d 65 mm
External diameter D 90 mm
Bearing/Inner ring width(B) 13 mm
External diameter inner ring d1 73,1 mm
Inner diameter outer ring D1 81,9 mm
Inner diameter outer ring D2 85,19 mm
Charge load application point a 25 mm
Contact angle α 25 °
Min fillet radius rs 1 mm
Min fillet radius r1s 0,3 mm
Coefficient f0 16.792
Precision class P4
Mass 0,21 kg
Brand SNR
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Dynamic load, C 18,2 kN
Static load, C0 18,6 kN
Fatigue limit load, Cu 1,04 kN
Axial displacement K Factor 0.54
Preload level 7
Preload value 0,16 kN
Axial rigidity 142 N/µm
Radial rigidity 306 N/µm
Min operating temperature, Tmin -30 °C
Max operating temperature, Tmax 120 °C
Nlim (oil) 21000 tr/min
Nlim (grease) 13500 tr/min
Characteristic cage frequency, FTF 0,458 Hz
Characteristic rolling element frequency, BSF 10,773 Hz
Characteristic outer ring frequency, BPF0 10,998 Hz
Characteristic inner ring frequency, BPFI 13,003 Hz


Min shoulder diameter IR da min 70,5 mm
Min IR shoulder diameter (db min) 70,5 mm
Max shoulder diameter OR Da max 84,5 mm
Max OR shoulder diameter (Db max) 84,5 mm
Maxi fillet radius r1a 0,3 mm
Max shaft & housing fillet radius ra max 1 mm
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Calcul factors image