DKF 7311 B bearing

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DKF 7311 B Bearing Details:
Bearing Name7311 B
New Model7311B
Old Model66311 bearing
product Model7311B
CategoryAngular Contact Ball Bearings
BrandDKF Bearing
Inner Diameter d ( mm ) 55
Outer Diameter D ( mm )120
Thickness B ( mm )29
DKF 7311 B Bearing   Bearing Size and Drawing:
7311 B
DKF 7311 B Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
KOYO NU311R Bearing5512029KOYOCylindrical Roller Bearings
NACHI 30311 Bearing5512029NACHITapered Roller Bearings
TBS 1311 E K TN9 Bearing5512029TBSSelf-aligning Ball Bearings
KOYO 6311RU Bearing5512029KOYODeep Groove Ball Bearings
STEYR 6311-RS Bearing5512029STEYRDeep Groove Ball Bearings
NSK NJ311E Bearing5512029NSKCylindrical Roller Bearings
TBS *7311BECBP Bearing5512029TBSAngular Contact Ball Bearings
KOYO NJ311E Bearing5512029KOYOCylindrical Roller Bearings
ZKL 30311 Bearing5512029ZKLTapered Roller Bearings
KOYO 30311 Bearing5512029KOYOTapered Roller 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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