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7022CVUJ84 - SNR

7022CVUJ84

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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Specs

PRODUCT DIMENSIONS

Internal diameter d 110 mm
External diameter D 170 mm
Bearing/Inner ring width(B) 28 mm
External diameter inner ring d1 129,4 mm
Inner diameter outer ring D1 150,6 mm
Inner diameter outer ring D2 158,91 mm
Charge load application point a 33 mm
Contact angle α 15 °
Min fillet radius rs 2 mm
Min fillet radius r1s 1 mm
Coefficient f0 15.901
Precision class P4
Mass 1,98 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 95,6 kN
Static load, C0 98,3 kN
Fatigue limit load, Cu 4,45 kN
Axial displacement K Factor 0.86
Preload level 8
Preload value 1,51 kN
Axial rigidity 211 N/µm
Radial rigidity 1052 N/µm
Min operating temperature, Tmin -30 °C
Max operating temperature, Tmax 120 °C
Nlim (oil) 12500 tr/min
Nlim (grease) 8200 tr/min
Characteristic cage frequency, FTF 0,44 Hz
Characteristic rolling element frequency, BSF 7,901 Hz
Characteristic outer ring frequency, BPF0 9,235 Hz
Characteristic inner ring frequency, BPFI 11,765 Hz

ABUTMENT

Min shoulder diameter IR da min 120 mm
Min IR shoulder diameter (db min) 120 mm
Max shoulder diameter OR Da max 160 mm
Max OR shoulder diameter (Db max) 160 mm
Maxi fillet radius r1a 1 mm
Max shaft & housing fillet radius ra max 2 mm
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