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CH7010CVUJ74 - SNR

CH7010CVUJ74

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) 50 mm
External diameter (D) 80 mm
Bearing/Inner ring width (B) 16 mm
External diameter inner ring d1 59,7 mm
Inner diameter outer ring (D1) 70 mm
Inner diameter outer ring D2 74,25 mm
Charge load application point a 17 mm
Contact angle α 15 °
Min fillet radius (rs) 1 mm
Min fillet radius r1s 0,6 mm
Coefficient f0 15.667
Precision class P4
Mass 0,526 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 26 kN
Static load (C0) 21,9 kN
Fatigue limit load (Cu) 1,17 kN
Axial displacement K Factor 1.1
Preload level 7
Preload value 0,14 kN
Axial rigidity 71 N/µm
Radial rigidity 408 N/µm
Min operating temperature (Tmin) -30 °C
Max operating temperature (Tmax) 120 °C
Nlim (oil) 34000 tr/min
Nlim (grease) 22000 tr/min
Characteristic cage frequency, FTF 0,435 Hz
Characteristic rolling element frequency, BSF 7,319 Hz
Characteristic outer ring frequency, BPF0 8,267 Hz
Characteristic inner ring frequency, BPFI 10,733 Hz

ABUTMENT

Min shoulder diameter IR (da min) 55,5 mm
Min IR shoulder diameter (db min) 54,5 mm
Max shoulder diameter OR (Da max) 74,5 mm
Max OR shoulder diameter (Db max) 75,5 mm
Maxi fillet radius r1a 0,6 mm
Max shaft & housing fillet radius (ra max) 1 mm
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