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7013HVUJ84 - SNR

7013HVUJ84

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) 65 mm
External diameter (D) 100 mm
Bearing/Inner ring width (B) 18 mm
External diameter inner ring d1 76,9 mm
Inner diameter outer ring (D1) 88,2 mm
Inner diameter outer ring D2 92,82 mm
Charge load application point a 28 mm
Contact angle α 25 °
Min fillet radius (rs) 1,1 mm
Min fillet radius r1s 1 mm
Coefficient f0 16.288
Precision class P4
Mass 0,44 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 31,6 kN
Static load (C0) 30,8 kN
Fatigue limit load (Cu) 1,74 kN
Axial displacement K Factor 0.49
Preload level 8
Preload value 825000 kN
Axial rigidity 284 N/µm
Radial rigidity 568 N/µm
Min operating temperature (Tmin) -30 °C
Max operating temperature (Tmax) 120 °C
Nlim (oil) 19500 tr/min
Nlim (grease) 12500 tr/min
Characteristic cage frequency, FTF 0,448 Hz
Characteristic rolling element frequency, BSF 8,564 Hz
Characteristic outer ring frequency, BPF0 10,296 Hz
Characteristic inner ring frequency, BPFI 12,704 Hz

ABUTMENT

Min shoulder diameter IR (da min) 72 mm
Min IR shoulder diameter (db min) 72 mm
Max shoulder diameter OR (Da max) 93 mm
Max OR shoulder diameter (Db max) 93 mm
Maxi fillet radius r1a 1 mm
Max shaft & housing fillet radius (ra max) 1 mm
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