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TBS QJ306MA* bearing

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TBS QJ306MA* Bearing Details:
Bearing NameQJ306MA*
New ModelQJ306MA*
Old Model bearing
product ModelQJ306MA*
CategoryAngular Contact Ball Bearings
BrandTBS Bearing
Inner Diameter d ( mm ) 30
Outer Diameter D ( mm )72
Thickness B ( mm )19
TBS QJ306MA* Bearing   Bearing Size and Drawing:
QJ306MA*
TBS QJ306MA* Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NTN 6306-RZ Bearing307219NTNDeep Groove Ball Bearings
STEYR 6306-ZN Bearing307219STEYRDeep Groove Ball Bearings
TBS N306ECP* Bearing307219TBSCylindrical Roller Bearings
KOYO NUP 306 Bearing307219KOYOCylindrical Roller Bearings
TBS N306 ECP Bearing307219TBSCylindrical Roller Bearings
NTN 31306 Bearing307219NTNTapered Roller Bearings
TBS W 6306 Bearing307219TBSDeep Groove Ball Bearings
NTN 6306-2Z Bearing307219NTNDeep Groove Ball Bearings
MRC 6306-RS Bearing307219MRCDeep Groove Ball Bearings
NSK NSKNU306EM Bearing307219NSKCylindrical 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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