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NSK 71920C/DT bearing

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NSK 71920C/DT Bearing Details:
Bearing Name71920C/DT
New Model71920C/DT
Old Model1436920 bearing
product Model71920C/DT
CategoryAngular Contact Ball Bearings
BrandNSK Bearing
Inner Diameter d ( mm ) 100
Outer Diameter D ( mm )140
Thickness B ( mm )40
NSK 71920C/DT Bearing   Bearing Size and Drawing:
71920C/DT
NSK 71920C/DT Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
GMN 71920 C/ DF Bearing10014040GMNAngular Contact Ball Bearings
KOYO NNU4920 Bearing10014040KOYOCylindrical Roller Bearings
FAG NNU4920/W33 Bearing10014040FAGCylindrical Roller Bearings
MRC 71920C/DF Bearing10014040MRCAngular Contact Ball Bearings
NTN NNU 4920 K Bearing10014040NTNCylindrical Roller Bearings
TBS NNU4920/W33 Bearing10014040TBSCylindrical Roller Bearings
NSK NNU4920 Bearing10014040NSKCylindrical Roller Bearings
NTN 71920 C/ DF Bearing10014040NTNAngular Contact Ball Bearings
NSK 71920 C/ DT Bearing10014040NSKAngular Contact Ball Bearings
FAG 71920C/DF Bearing10014040FAGAngular Contact Ball Bearings

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What are the structural components and design advantages of angular contact ball bearings?
 
Angular contact ball bearings consist of an inner ring, outer ring, steel balls, and a cage. The raceways of the raceways are designed with a contact angle (typically 15°, 25°, or 40°) between the bearing rings and the steel balls. They offer advantages such as the ability to simultaneously withstand radial and unidirectional axial loads, high limiting speed, high precision, good rigidity, and the ability to withstand bidirectional axial loads when installed in pairs.
 
What are the advantages of angular contact ball bearings compared to other similar bearings?
 
Compared to deep groove ball bearings, angular contact ball bearings have a higher axial load capacity and higher rigidity, making them suitable for precision positioning applications. Compared to tapered roller bearings, they have a higher limiting speed and lower friction, making them more suitable for high-speed operation. Compared to thrust ball bearings, they can simultaneously withstand combined radial and axial loads, and when used in pairs, they maintain high rigidity under bidirectional axial loads without the need for additional radial bearings.
 
What are the applicable applications and typical uses of angular contact ball bearings?
 
These bearings are suitable for high-speed, high-rigidity mechanical applications requiring precise positioning and subjected to combined loads. Typical applications include machine tool spindles, automobile wheel hubs, centrifugal pumps, high-speed electric spindles, industrial robot joints, aero-engine spindles, and precision instrument turntables.

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