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71906HVUJ74 - 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.


CAD file

Technical datasheet

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Internal diameter d 30 mm
External diameter D 47 mm
Bearing/Inner ring width(B) 9 mm
External diameter inner ring d1 35,1 mm
Inner diameter outer ring D1 41,9 mm
Inner diameter outer ring D2 43,92 mm
Charge load application point a 13 mm
Contact angle α 25 °
Min fillet radius rs 0,3 mm
Min fillet radius r1s 0,3 mm
Coefficient f0 15.201
Precision class P4
Mass 0,047 kg
Brand SNR
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Dynamic load, C 7,4 kN
Static load, C0 5,6 kN
Fatigue limit load, Cu 0,33 kN
Axial displacement K Factor 0.78
Preload level 7
Preload value 0,06 kN
Axial rigidity 71 N/µm
Radial rigidity 154 N/µm
Min operating temperature, Tmin -30 °C
Max operating temperature, Tmax 120 °C
Nlim (oil) 42000 tr/min
Nlim (grease) 27000 tr/min
Characteristic cage frequency, FTF 0,444 Hz
Characteristic rolling element frequency, BSF 7,983 Hz
Characteristic outer ring frequency, BPF0 7,991 Hz
Characteristic inner ring frequency, BPFI 10,009 Hz


Min shoulder diameter IR da min 32,5 mm
Min IR shoulder diameter (db min) 32,5 mm
Max shoulder diameter OR Da max 44,5 mm
Max OR shoulder diameter (Db max) 44,5 mm
Maxi fillet radius r1a 0,3 mm
Max shaft & housing fillet radius ra max 0,3 mm
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Calcul factors image