MRC QJ320 bearing

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MRC QJ320 Bearing Details:
Bearing NameQJ320
New ModelQJ320
Old Model176320 bearing
product ModelQJ320
CategoryAngular Contact Ball Bearings
BrandMRC Bearing
Inner Diameter d ( mm ) 100
Outer Diameter D ( mm )215
Thickness B ( mm )47
MRC QJ320 Bearing   Bearing Size and Drawing:
QJ320
MRC QJ320 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
TBS 21320E* Bearing10021547TBSSpherical Roller Bearings
NSK 6320 Bearing10021547NSKDeep Groove Ball Bearings
KOYO 1320 K Bearing10021547KOYOSelf-aligning Ball Bearings
KOYO 6320 2RU Bearing10021547KOYODeep Groove Ball Bearings
TBS NJ320ECM* Bearing10021547TBSCylindrical Roller Bearings
NSK NJ320E+HJ320E Bearing10021547NSKCylindrical Roller Bearings
TBS 1320K Bearing10021547TBSSelf-aligning Ball Bearings
RHP 6320-2RS Bearing10021547RHPDeep Groove Ball Bearings
TBS 7320 BEC BM* Bearing10021547TBSAngular Contact Ball Bearings
FLT NU320 Bearing10021547FLTCylindrical 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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