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10R71918HVUJ84 - SNR

10R71918HVUJ84

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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PRODUCT DEFINITION
BrandSNR
d - Internal diameter90 mm
D - External diameter125 mm
B - Bearing/Inner ring width18 mm
d1 - External diameter inner ring101,2 mm
D1 - Inner diameter outer ring113,75 mm
D2 - Inner diameter outer ring119,24 mm
a - Charge load application point34 mm
α - Contact angle25 °
rs - Min fillet radius0,6 mm
r1s - Min fillet radius0,6 mm
Precision classP4
Mass0,56 kg
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PRODUCT PERFORMANCE
C - Dynamic load37,9 kN
C0 - Static load41,9 kN
Cu - Fatigue limit load2,29 kN
f0 - Coefficient16.708
Axial displacement K Factor0.45
Preload level8
Preload value0,97 kN
Axial rigidity326 N/µm
Radial rigidity662 N/µm
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
Nlim - Oil lubrication limit speed15000 tr/min
Nlim - Grease lubrication limit speed9800 tr/min
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)11,869 Hz
BPFI - Characteristic inner ring frequency (60 rpm)14,131 Hz
FTF - Characteristic cage frequency (60 rpm)0,457 Hz
BSF - Characteristic rolling element frequency (60 rpm)10,339 Hz
ABUTMENT
da min - Min shoulder diameter IR94,5 mm
db min - Min IR shoulder diameter94,5 mm
Da max - Max shoulder diameter OR120,5 mm
Db max - Max OR shoulder diameter120,5 mm
r1a - Max fillet radius0,6 mm
ra max - Max shaft & housing fillet radius0,6 mm
Product classification image
Calcul factors image