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7212HG1UJ74 - 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 60 mm
External diameter D 110 mm
Bearing/Inner ring width(B) 22 mm
External diameter inner ring d1 76 mm
Inner diameter outer ring D1 95,5 mm
Inner diameter outer ring D2 103,05 mm
Charge load application point a 31 mm
Contact angle α 25 °
Min fillet radius rs 1,5 mm
Min fillet radius r1s 1 mm
Coefficient f0 14.737
Precision class P4
Mass 0,81 kg
Brand SNR
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Dynamic load, C 64 kN
Static load, C0 50,5 kN
Fatigue limit load, Cu 2,8 kN
Axial displacement K Factor 0.54
Preload level 7
Preload value 0,56 kN
Axial rigidity 214 N/µm
Radial rigidity 455 N/µm
Min operating temperature, Tmin -30 °C
Max operating temperature, Tmax 120 °C
Nlim (oil) 17000 tr/min
Nlim (grease) 11000 tr/min
Characteristic cage frequency, FTF 0,416 Hz
Characteristic rolling element frequency, BSF 5,246 Hz
Characteristic outer ring frequency, BPF0 6,241 Hz
Characteristic inner ring frequency, BPFI 8,759 Hz


Min shoulder diameter IR da min 68,5 mm
Min IR shoulder diameter (db min) 68,5 mm
Max shoulder diameter OR Da max 101,5 mm
Max OR shoulder diameter (Db max) 101,5 mm
Maxi fillet radius r1a 1 mm
Max shaft & housing fillet radius ra max 1,5 mm
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