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7016HVUJ74 - SNR

7016HVUJ74

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) 80 mm
External diameter (D) 125 mm
Bearing/Inner ring width (B) 22 mm
External diameter inner ring d1 94,3 mm
Inner diameter outer ring (D1) 110,7 mm
Inner diameter outer ring D2 117,49 mm
Charge load application point a 35 mm
Contact angle α 25 °
Min fillet radius (rs) 1,1 mm
Min fillet radius r1s 0,6 mm
Coefficient f0 15.93
Precision class P4
Mass 0,85 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 55,6 kN
Static load (C0) 52,6 kN
Fatigue limit load (Cu) 2,95 kN
Axial displacement K Factor 0.48
Preload level 7
Preload value 490000 kN
Axial rigidity 232 N/µm
Radial rigidity 497 N/µm
Min operating temperature (Tmin) -30 °C
Max operating temperature (Tmax) 120 °C
Nlim (oil) 15500 tr/min
Nlim (grease) 10000 tr/min
Characteristic cage frequency, FTF 0,44 Hz
Characteristic rolling element frequency, BSF 7,488 Hz
Characteristic outer ring frequency, BPF0 8,807 Hz
Characteristic inner ring frequency, BPFI 11,193 Hz

ABUTMENT

Min shoulder diameter IR (da min) 87 mm
Min IR shoulder diameter (db min) 87 mm
Max shoulder diameter OR (Da max) 118 mm
Max OR shoulder diameter (Db max) 118 mm
Maxi fillet radius r1a 0,6 mm
Max shaft & housing fillet radius (ra max) 1 mm
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