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7024CVUJ74 - SNR

7024CVUJ74

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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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter (d) 120 mm
External diameter (D) 180 mm
Bearing/Inner ring width (B) 28 mm
External diameter inner ring d1 139,4 mm
Inner diameter outer ring (D1) 160,6 mm
Inner diameter outer ring D2 168,91 mm
Charge load application point a 34 mm
Contact angle α 15 °
Min fillet radius (rs) 2 mm
Min fillet radius r1s 1 mm
Coefficient f0 16.103
Precision class P4
Mass 2,15 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 100 kN
Static load (C0) 109 kN
Fatigue limit load (Cu) 4,75 kN
Axial displacement K Factor 0.84
Preload level 7
Preload value 530000 kN
Axial rigidity 139 N/µm
Radial rigidity 812 N/µm
Min operating temperature (Tmin) -30 °C
Max operating temperature (Tmax) 120 °C
Nlim (oil) 11500 tr/min
Nlim (grease) 7700 tr/min
Characteristic cage frequency, FTF 0,444 Hz
Characteristic rolling element frequency, BSF 8,481 Hz
Characteristic outer ring frequency, BPF0 10,207 Hz
Characteristic inner ring frequency, BPFI 12,793 Hz

ABUTMENT

Min shoulder diameter IR (da min) 130 mm
Min IR shoulder diameter (db min) 130 mm
Max shoulder diameter OR (Da max) 170 mm
Max OR shoulder diameter (Db max) 170 mm
Maxi fillet radius r1a 1 mm
Max shaft & housing fillet radius (ra max) 2 mm
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