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MRC 7311 AC bearing

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MRC 7311 AC Bearing Details:
Bearing Name7311 AC
New Model7311AC
Old Model46311 bearing
product Model7311AC
CategoryAngular Contact Ball Bearings
BrandMRC Bearing
Inner Diameter d ( mm ) 55
Outer Diameter D ( mm )120
Thickness B ( mm )29
MRC 7311 AC Bearing   Bearing Size and Drawing:
7311 AC
MRC 7311 AC Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
TBS 6311N Bearing5512029TBSDeep Groove Ball Bearings
TBS 21311CCK Bearing5512029TBSSpherical Roller Bearings
KOYO 63112RU Bearing5512029KOYODeep Groove Ball Bearings
TBS N311ECM* Bearing5512029TBSCylindrical Roller Bearings
KOYO 31311 Bearing5512029KOYOTapered Roller Bearings
NSK NSK21311EAKE4 Bearing5512029NSKSpherical Roller Bearings
FAG NUP311E Bearing5512029FAGCylindrical Roller Bearings
STEYR NUP311E Bearing5512029STEYRCylindrical Roller Bearings
FAG NU311E.TVP2 Bearing5512029FAGCylindrical Roller Bearings
TBS *7311BECBM Bearing5512029TBSAngular 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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