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7222CG1UJ74 - 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 110 mm
External diameter D 200 mm
Bearing/Inner ring width(B) 38 mm
External diameter inner ring d1 140,7 mm
Inner diameter outer ring D1 169,6 mm
Inner diameter outer ring D2 186,5 mm
Charge load application point a 40 mm
Contact angle α 15 °
Min fillet radius rs 2,1 mm
Min fillet radius r1s 1,1 mm
Coefficient f0 14.492
Precision class P4
Mass 4,53 kg
Brand SNR
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Dynamic load, C 174 kN
Static load, C0 160 kN
Fatigue limit load, Cu 6,8 kN
Axial displacement K Factor 1.03
Preload level 7
Preload value 1,08 kN
Axial rigidity 150 N/µm
Radial rigidity 861 N/µm
Min operating temperature, Tmin -30 °C
Max operating temperature, Tmax 120 °C
Nlim (oil) 10500 tr/min
Nlim (grease) 6800 tr/min
Characteristic cage frequency, FTF 0,411 Hz
Characteristic rolling element frequency, BSF 5,252 Hz
Characteristic outer ring frequency, BPF0 5,753 Hz
Characteristic inner ring frequency, BPFI 8,247 Hz


Min shoulder diameter IR da min 122 mm
Min IR shoulder diameter (db min) 122 mm
Max shoulder diameter OR Da max 188 mm
Max OR shoulder diameter (Db max) 188 mm
Maxi fillet radius r1a 1 mm
Max shaft & housing fillet radius ra max 2 mm
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