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7212CG1UJ74 - 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 22 mm
Contact angle α 15 °
Min fillet radius rs 1,5 mm
Min fillet radius r1s 1 mm
Coefficient f0 14.471
Precision class P4
Mass 0,81 kg
Brand SNR
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Dynamic load, C 67,1 kN
Static load, C0 52,8 kN
Fatigue limit load, Cu 2,8 kN
Axial displacement K Factor 1.14
Preload level 7
Preload value 0,35 kN
Axial rigidity 90 N/µm
Radial rigidity 513 N/µm
Min operating temperature, Tmin -30 °C
Max operating temperature, Tmax 120 °C
Nlim (oil) 19500 tr/min
Nlim (grease) 12500 tr/min
Characteristic cage frequency, FTF 0,411 Hz
Characteristic rolling element frequency, BSF 5,226 Hz
Characteristic outer ring frequency, BPF0 6,158 Hz
Characteristic inner ring frequency, BPFI 8,842 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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