7001UADG/GLP42 - NTN


High precision angular contact ball bearing, moulded polyamide cage centred on balls

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 diameter 12 mm
D - External diameter 28 mm
B - Bearing/Inner ring width 8 mm
d1 - External diameter inner ring 17,9 mm
d2 - External diameter inner ring 16,7 mm
D1 - Inner diameter outer ring 23,1 mm
D2 - Inner diameter outer ring 25,6 mm
a - Charge load application point 8,8 mm
α - Contact angle 25 °
rs - Min fillet radius 0,3 mm
r1s - Min fillet radius 0,15 mm
Precision class P42
Mass 0,021 kg
Brand NTN
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C0 - Static load 2,82 kN
f0 - Coefficient 13.7
Nlim - Oil lubrication limit speed 80000 tr/min
Nlim - Grease lubrication limit speed 49500 tr/min
Preload level GL
Preload value 0,02 kN
Axial rigidity 34,5 N/µm
Radial rigidity 75,2 N/µm
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C
FTF - Characteristic cage frequency 0,395 Hz
BSF - Characteristic rolling element frequency 4,119 Hz
BPFO - Characteristic outer ring frequency 3,948 Hz
BPFI - Characteristic inner ring frequency 6,052 Hz


da min - Min shoulder diameter IR 14,5 mm
Da max - Max shoulder diameter OR 25,5 mm
Db max - Max OR shoulder diameter 26,8 mm
r1a - Max fillet radius 0,15 mm
ra max - Max shaft & housing fillet radius 0,3 mm
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