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TBS QJ307N2MA bearing

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TBS QJ307N2MA Bearing Details:
Bearing NameQJ307N2MA
New ModelQJ307N2MA
Old Model bearing
product ModelQJ307N2MA
CategoryAngular Contact Ball Bearings
BrandTBS Bearing
Inner Diameter d ( mm ) 35
Outer Diameter D ( mm )80
Thickness B ( mm )21
TBS QJ307N2MA Bearing   Bearing Size and Drawing:
QJ307N2MA
TBS QJ307N2MA Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NACHI 6307-2Z Bearing358021NACHIDeep Groove Ball Bearings
FAG N307E Bearing358021FAGCylindrical Roller Bearings
NACHI 31307 Bearing358021NACHITapered Roller Bearings
KOYO 6307ZZ Bearing358021KOYODeep Groove Ball Bearings
STEYR 1307 Bearing358021STEYRSelf-aligning Ball Bearings
TORRINGTON 7307 C Bearing358021TORRINGTONAngular Contact Ball Bearings
TBS *7307BECBP Bearing358021TBSAngular Contact Ball Bearings
KOYO 6307 BI Bearing358021KOYOAngular Contact Ball Bearings
NTN 6307-2RS Bearing358021NTNDeep Groove Ball Bearings
KOYO 6307-2RZ Bearing358021KOYODeep Groove 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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