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KOYO 7038 AC bearing

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KOYO 7038 AC Bearing Details:
Bearing Name7038 AC
New Model7038AC
Old Model46138 bearing
product Model7038AC
CategoryAngular Contact Ball Bearings
BrandKOYO Bearing
Inner Diameter d ( mm ) 190
Outer Diameter D ( mm )290
Thickness B ( mm )46
KOYO 7038 AC Bearing   Bearing Size and Drawing:
7038 AC
KOYO 7038 AC Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
SNFA 7038 C Bearing19029046SNFAAngular Contact Ball Bearings
ASK NU1038 Bearing19029046ASKCylindrical Roller Bearings
NTN 7038 C Bearing19029046NTNAngular Contact Ball Bearings
STEYR NU1038 Bearing19029046STEYRCylindrical Roller Bearings
NACHI NU1038 Bearing19029046NACHICylindrical Roller Bearings
NTN NU1038 Bearing19029046NTNCylindrical Roller Bearings
KOYO 7038C Bearing19029046KOYOAngular Contact Ball Bearings
GMN 7038 AC Bearing19029046GMNAngular Contact Ball Bearings
FAG 6038 Bearing19029046FAGDeep Groove Ball Bearings
KOYO 7038 Bearing19029046KOYOAngular Contact 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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