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7000UADG/GLP42 - NTN

7000UADG/GLP42

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.

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Technical datasheet

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PRODUCT DEFINITION
d - Internal diameter10 mm
D - External diameter26 mm
B - Bearing/Inner ring width8 mm
d1 - External diameter inner ring15,2 mm
d2 - External diameter inner ring14 mm
D1 - Inner diameter outer ring20,4 mm
D2 - Inner diameter outer ring22,9 mm
a - Charge load application point8,2 mm
α - Contact angle25 °
rs - Min fillet radius0,3 mm
r1s - Min fillet radius0,15 mm
Precision classP42
Mass0,019 kg
BrandNTN
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PRODUCT PERFORMANCE
C0 - Static load2,4 kN
f0 - Coefficient13
Nlim - Oil lubrication limit speed92100 tr/min
Nlim - Grease lubrication limit speed57000 tr/min
Preload levelGL
Preload value0,02 kN
Axial rigidity32,2 N/µm
Radial rigidity70 N/µm
Tmin - Min operating temperature-20 °C
Tmax - Max operating temperature120 °C
FTF - Characteristic cage frequency0,379 Hz
BSF - Characteristic rolling element frequency3,523 Hz
BPFO - Characteristic outer ring frequency3,41 Hz
BPFI - Characteristic inner ring frequency5,59 Hz
ABUTMENT
da min - Min shoulder diameter IR12,5 mm
Da max - Max shoulder diameter OR23,5 mm
Db max - Max OR shoulder diameter24,8 mm
r1a - Max fillet radius0,15 mm
ra max - Max shaft & housing fillet radius0,3 mm
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