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MLE71913CVUJ74S - SNR

MLE71913CVUJ74S

High precision angular contact ball bearing, sealed 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.

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Technical datasheet

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PRODUCT DEFINITION
d - Internal diameter65 mm
D - External diameter90 mm
B - Bearing/Inner ring width13 mm
d1 - External diameter inner ring73,1 mm
d2 - External diameter inner ring71,15 mm
D1 - Inner diameter outer ring83,71 mm
D2 - Inner diameter outer ring85,31 mm
a - Charge load application point18 mm
α - Contact angle17 °
rs - Min fillet radius1 mm
r1s - Min fillet radius0,3 mm
Precision classP4S
Mass0,202 kg
BrandSNR
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PRODUCT PERFORMANCE
C - Dynamic load10,6 kN
C0 - Static load8,7 kN
Cu - Fatigue limit load0,47 kN
f0 - Coefficient8.696
Axial displacement K Factor0.98
Preload level7
Preload value0,055 kN
Axial rigidity55 N/µm
Radial rigidity279 N/µm
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
Nlim - Grease lubrication limit speed21000 tr/min
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency15,822 Hz
BPFI - Characteristic inner ring frequency18,178 Hz
FTF - Characteristic cage frequency0,465 Hz
BSF - Characteristic rolling element frequency13,739 Hz
ABUTMENT
da min - Min shoulder diameter IR70,5 mm
db min - Min IR shoulder diameter70,5 mm
Da max - Max shoulder diameter OR84,5 mm
Db max - Max OR shoulder diameter84,5 mm
r1a - Max fillet radius0,3 mm
ra max - Max shaft & housing fillet radius1 mm
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