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7017CVUJ74 - SNR

7017CVUJ74

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) 85 mm
External diameter (D) 130 mm
Bearing/Inner ring width (B) 22 mm
External diameter inner ring d1 99,3 mm
Inner diameter outer ring (D1) 115,7 mm
Inner diameter outer ring D2 122,49 mm
Charge load application point a 25 mm
Contact angle α 15 °
Min fillet radius (rs) 1,1 mm
Min fillet radius r1s 0,6 mm
Coefficient f0 15.881
Precision class P4
Mass 0,9 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 60,2 kN
Static load (C0) 58,7 kN
Fatigue limit load (Cu) 3 kN
Axial displacement K Factor 0.98
Preload level 7
Preload value 0,31 kN
Axial rigidity 100 N/µm
Radial rigidity 581 N/µm
Min operating temperature (Tmin) -30 °C
Max operating temperature (Tmax) 120 °C
Nlim (oil) 16500 tr/min
Nlim (grease) 10500 tr/min
Characteristic cage frequency, FTF 0,439 Hz
Characteristic rolling element frequency, BSF 7,849 Hz
Characteristic outer ring frequency, BPF0 9,227 Hz
Characteristic inner ring frequency, BPFI 11,773 Hz

ABUTMENT

Min shoulder diameter IR (da min) 92 mm
Min IR shoulder diameter (db min) 92 mm
Max shoulder diameter OR (Da max) 123 mm
Max OR shoulder diameter (Db max) 123 mm
Maxi fillet radius r1a 0,6 mm
Max shaft & housing fillet radius (ra max) 1 mm
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