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10R71918CVUJ74 - SNR

10R71918CVUJ74

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 DEFINITION

d - Internal diameter 90 mm
D - External diameter 125 mm
B - Bearing/Inner ring width 18 mm
d1 - External diameter inner ring 101,2 mm
D1 - Inner diameter outer ring 113,75 mm
D2 - Inner diameter outer ring 119,24 mm
a - Charge load application point 23 mm
α - Contact angle 15 °
rs - Min fillet radius 0,6 mm
r1s - Min fillet radius 0,6 mm
Precision class P4
Mass 0,56 kg
Brand SNR
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PRODUCT PERFORMANCE

C - Dynamic load 40,2 kN
C0 - Static load 44,3 kN
Cu - Fatigue limit load 2,29 kN
f0 - Coefficient 16.572
Axial displacement K Factor 0.95
Preload level 7
Preload value 0,21 kN
Axial rigidity 90 N/µm
Radial rigidity 531 N/µm
Tmin - Min operating temperature -30 °C
Tmax - Max operating temperature 120 °C
Nlim - Oil lubrication limit speed 16500 tr/min
Nlim - Grease lubrication limit speed 10500 tr/min
FTF - Characteristic cage frequency 0,454 Hz
BSF - Characteristic rolling element frequency 10,328 Hz
BPFO - Characteristic outer ring frequency 11,795 Hz
BPFI - Characteristic inner ring frequency 14,205 Hz

ABUTMENT

da min - Min shoulder diameter IR 94,5 mm
db min - Min IR shoulder diameter 94,5 mm
Da max - Max shoulder diameter OR 120,5 mm
Db max - Max OR shoulder diameter 120,5 mm
r1a - Max fillet radius 0,6 mm
ra max - Max shaft & housing fillet radius 0,6 mm
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