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ML71914HVUJ74S - SNR


High precision angular contact ball bearing, high speed series ML, 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.


3D file

Technical datasheet

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d - Internal diameter70 mm
D - External diameter100 mm
B - Bearing/Inner ring width16 mm
d1 - External diameter inner ring80,1 mm
d2 - External diameter inner ring77,85 mm
D1 - Inner diameter outer ring91,96 mm
D2 - Inner diameter outer ring94,11 mm
a - Charge load application point28 mm
α - Contact angle25 °
rs - Min fillet radius1 mm
r1s - Min fillet radius0,3 mm
Precision classP4S
Mass0,33 kg
Product classification image
C - Dynamic load12,4 kN
C0 - Static load10,2 kN
Cu - Fatigue limit load0,59 kN
f0 - Coefficient8.709
Axial displacement K Factor0.54
Preload level7
Preload value0,1 kN
Axial rigidity135 N/µm
Radial rigidity297 N/µm
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
Nlim - Oil lubrication limit speed23000 tr/min
Nlim - Grease lubrication limit speed16000 tr/min
BPFO - Characteristic outer ring frequency (60 rpm)14,908 Hz
BPFI - Characteristic inner ring frequency (60 rpm)17,092 Hz
FTF - Characteristic cage frequency (60 rpm)0,466 Hz
BSF - Characteristic rolling element frequency (60 rpm)13,214 Hz
da min - Min shoulder diameter IR75,5 mm
db min - Min IR shoulder diameter75,5 mm
Da max - Max shoulder diameter OR94,5 mm
Db max - Max OR shoulder diameter94,5 mm
r1a - Max fillet radius0,3 mm
ra max - Max shaft & housing fillet radius1 mm
Product classification image
Calcul factors image