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TBS QJ211MA* bearing

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TBS QJ211MA* Bearing Details:
Bearing NameQJ211MA*
New ModelQJ211MA*
Old Model bearing
product ModelQJ211MA*
CategoryAngular Contact Ball Bearings
BrandTBS Bearing
Inner Diameter d ( mm ) 55
Outer Diameter D ( mm )100
Thickness B ( mm )21
TBS QJ211MA* Bearing   Bearing Size and Drawing:
QJ211MA*
TBS QJ211MA* Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
SNR 6211-RS Bearing5510021SNRDeep Groove Ball Bearings
RHP 6211-2Z Bearing5510021RHPDeep Groove Ball Bearings
FAG 6211N Bearing5510021FAGDeep Groove Ball Bearings
MRC N211 Bearing5510021MRCCylindrical Roller Bearings
KOYO 6211-2RS Bearing5510021KOYODeep Groove Ball Bearings
STEYR NUP211E Bearing5510021STEYRCylindrical Roller Bearings
FAG 7211B Bearing5510021FAGAngular Contact Ball Bearings
TBS 6211-Z Bearing5510021TBSDeep Groove Ball Bearings
KOYO 6211 2RS Bearing5510021KOYODeep Groove Ball Bearings
NSK 6211-Z Bearing5510021NSKDeep 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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