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NTN 7318 AC bearing

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NTN 7318 AC Bearing Details:
Bearing Name7318 AC
New Model7318AC
Old Model46318 bearing
product Model7318AC
CategoryAngular Contact Ball Bearings
BrandNTN Bearing
Inner Diameter d ( mm ) 90
Outer Diameter D ( mm )190
Thickness B ( mm )43
NTN 7318 AC Bearing   Bearing Size and Drawing:
7318 AC
NTN 7318 AC Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NSK NJ 318 Bearing9019043NSKCylindrical Roller Bearings
SNR 30318 Bearing9019043SNRTapered Roller Bearings
TBS 7318 BECBY Bearing9019043TBSAngular Contact Ball Bearings
NTN 7318 B Bearing9019043NTNAngular Contact Ball Bearings
KOYO 6318 Bearing9019043KOYODeep Groove Ball Bearings
NACHI 30318 Bearing9019043NACHITapered Roller Bearings
SNR 7318 B Bearing9019043SNRAngular Contact Ball Bearings
MAC N318 Bearing9019043MACCylindrical Roller Bearings
NSK NJ 324 E +HJ 325 E Bearing9019043NSKCylindrical Roller Bearings
TBS *6318-2Z Bearing9019043TBSDeep 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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