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TBS QJ312 MA bearing

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TBS QJ312 MA Bearing Details:
Bearing NameQJ312 MA
New ModelQJ312MA
Old Model bearing
product ModelQJ312MA
CategoryAngular Contact Ball Bearings
BrandTBS Bearing
Inner Diameter d ( mm ) 60
Outer Diameter D ( mm )130
Thickness B ( mm )31
TBS QJ312 MA Bearing   Bearing Size and Drawing:
QJ312 MA
TBS QJ312 MA Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
STEYR NUP 312 E Bearing6013031STEYRCylindrical Roller Bearings
NACHI NJ312E Bearing6013031NACHICylindrical Roller Bearings
TBS 6312-2Z NR Bearing6013031TBSDeep Groove Ball Bearings
KOYO NJ 312 Bearing6013031KOYOCylindrical Roller Bearings
KOYO 31312 Bearing6013031KOYOTapered Roller Bearings
KOYO NJ312 Bearing6013031KOYOCylindrical Roller Bearings
TORRINGTON 6312N Bearing6013031TORRINGTONDeep Groove Ball Bearings
ZKL 31312 Bearing6013031ZKLTapered Roller Bearings
TBS 7312BEY Bearing6013031TBSAngular Contact Ball Bearings
STEYR 1312K Bearing6013031STEYRSelf-aligning 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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