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TBS 71938 AC bearing

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TBS 71938 AC Bearing Details:
Bearing Name71938 AC
New Model71938AC
Old Model1046938 bearing
product Model71938AC
CategoryAngular Contact Ball Bearings
BrandTBS Bearing
Inner Diameter d ( mm ) 190
Outer Diameter D ( mm )260
Thickness B ( mm )33
TBS 71938 AC Bearing   Bearing Size and Drawing:
71938 AC
TBS 71938 AC Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
TBS NJ1938ECML Bearing19026033TBSCylindrical Roller Bearings
NSK 61938 Bearing19026033NSKDeep Groove Ball Bearings
KOYO 7938C Bearing19026033KOYOAngular Contact Ball Bearings
KOYO 61938 Bearing19026033KOYODeep Groove Ball Bearings
MRC 61938 Bearing19026033MRCDeep Groove Ball Bearings
NTN 61938 Bearing19026033NTNDeep Groove Ball Bearings
NSK NSK6938M Bearing19026033NSKDeep Groove Ball Bearings
FAG 71938 AC Bearing19026033FAGAngular Contact Ball Bearings
BARDEN 71938 C Bearing19026033BARDENAngular Contact Ball Bearings
KOYO 71938C Bearing19026033KOYOAngular 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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