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10R71919HVUJ74 - SNR

10R71919HVUJ74

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 diameter95 mm
D - External diameter130 mm
B - Bearing/Inner ring width18 mm
d1 - External diameter inner ring106,2 mm
D1 - Inner diameter outer ring118,75 mm
D2 - Inner diameter outer ring124,24 mm
a - Charge load application point35 mm
α - Contact angle25 °
rs - Min fillet radius0,6 mm
r1s - Min fillet radius0,6 mm
Precision classP4
Mass0,59 kg
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PRODUCT PERFORMANCE
C - Dynamic load38,4 kN
C0 - Static load43,8 kN
Cu - Fatigue limit load2,33 kN
f0 - Coefficient16.802
Axial displacement K Factor0.44
Preload level7
Preload value0,33 kN
Axial rigidity222 N/µm
Radial rigidity480 N/µm
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
Nlim - Oil lubrication limit speed14000 tr/min
Nlim - Grease lubrication limit speed9300 tr/min
BEARING FREQUENCIES
BPFO - Characteristic outer ring frequency (60 rpm)12,378 Hz
BPFI - Characteristic inner ring frequency (60 rpm)14,622 Hz
FTF - Characteristic cage frequency (60 rpm)0,458 Hz
BSF - Characteristic rolling element frequency (60 rpm)10,827 Hz
ABUTMENT
da min - Min shoulder diameter IR99,5 mm
db min - Min IR shoulder diameter99,5 mm
Da max - Max shoulder diameter OR125,5 mm
Db max - Max OR shoulder diameter125,5 mm
r1a - Max fillet radius0,6 mm
ra max - Max shaft & housing fillet radius0,6 mm
Product classification image
Calcul factors image