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GMN 7040 AC bearing

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GMN 7040 AC Bearing Details:
Bearing Name7040 AC
New Model7040AC
Old Model46140 bearing
product Model7040AC
CategoryAngular Contact Ball Bearings
BrandGMN Bearing
Inner Diameter d ( mm ) 200
Outer Diameter D ( mm )310
Thickness B ( mm )51
GMN 7040 AC Bearing   Bearing Size and Drawing:
7040 AC
GMN 7040 AC Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NSK QJ1040 Bearing20031051NSKAngular Contact Ball Bearings
BARDEN 7040 C Bearing20031051BARDENAngular Contact Ball Bearings
TBS 6040M Bearing20031051TBSDeep Groove Ball Bearings
KOYO 7040AC Bearing20031051KOYOAngular Contact Ball Bearings
RHP 7040C Bearing20031051RHPAngular Contact Ball Bearings
NTN 6040 Bearing20031051NTNDeep Groove Ball Bearings
TBS 7040AC Bearing20031051TBSAngular Contact Ball Bearings
MAC NU 1040 Bearing20031051MACCylindrical Roller Bearings
FAG NU 1040 M1 Bearing20031051FAGCylindrical Roller Bearings
SNR 7040 C Bearing20031051SNRAngular 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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