NTN QJ 222 bearing

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NTN QJ 222 Bearing Details:
Bearing NameQJ 222
New ModelQJ222
Old Model176222N2 bearing
product ModelQJ222
CategoryAngular Contact Ball Bearings
BrandNTN Bearing
Inner Diameter d ( mm ) 110
Outer Diameter D ( mm )200
Thickness B ( mm )38
NTN QJ 222 Bearing   Bearing Size and Drawing:
QJ 222
NTN QJ 222 Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NTN 30222 Bearing11020038NTNTapered Roller Bearings
NSK QJ 222 Bearing11020038NSKAngular Contact Ball Bearings
FAG 6222-2Z Bearing11020038FAGDeep Groove Ball Bearings
STEYR NJ 222 Bearing11020038STEYRCylindrical Roller Bearings
TBS NU 222 ECP Bearing11020038TBSCylindrical Roller Bearings
TBS 6222-RS Bearing11020038TBSDeep Groove Ball Bearings
NACHI N222 Bearing11020038NACHICylindrical Roller Bearings
NTN 1222 K Bearing11020038NTNSelf-aligning Ball Bearings
MAC NJ 222 Bearing11020038MACCylindrical Roller Bearings
MRC NU222 Bearing11020038MRCCylindrical 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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