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ML71902CVUJ74S - 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 diameter15 mm
D - External diameter28 mm
B - Bearing/Inner ring width7 mm
d1 - External diameter inner ring18,7 mm
d2 - External diameter inner ring17,75 mm
D1 - Inner diameter outer ring24,35 mm
D2 - Inner diameter outer ring24,95 mm
a - Charge load application point7 mm
α - Contact angle17 °
rs - Min fillet radius0,3 mm
r1s - Min fillet radius0,3 mm
Precision classP4S
Mass0,015 kg
Product classification image
C - Dynamic load2 kN
C0 - Static load0,93 kN
Cu - Fatigue limit load0,07 kN
f0 - Coefficient7.916
Axial displacement K Factor2.04
Preload level7
Preload value0,01 kN
Axial rigidity15 N/µm
Radial rigidity75 N/µm
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
Nlim - Oil lubrication limit speed102000 tr/min
Nlim - Grease lubrication limit speed74000 tr/min
BPFO - Characteristic outer ring frequency (60 rpm)6,988 Hz
BPFI - Characteristic inner ring frequency (60 rpm)9,012 Hz
FTF - Characteristic cage frequency (60 rpm)0,437 Hz
BSF - Characteristic rolling element frequency (60 rpm)7,438 Hz
da min - Min shoulder diameter IR17,5 mm
db min - Min IR shoulder diameter17,5 mm
Da max - Max shoulder diameter OR25,5 mm
Db max - Max OR shoulder diameter25,5 mm
r1a - Max fillet radius0,3 mm
ra max - Max shaft & housing fillet radius0,3 mm
Product classification image
Calcul factors image