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KOYO 6921 RS bearing

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KOYO 6921 RS Bearing Details:
Bearing Name6921 RS
New Model6921RS
Old Model1160921 bearing
product Model6921RS
CategoryDeep Groove Ball Bearings
BrandKOYO Bearing
Inner Diameter d ( mm ) 105
Outer Diameter D ( mm )145
Thickness B ( mm )20
KOYO 6921 RS Bearing   Bearing Size and Drawing:
6921 RS
KOYO 6921 RS Bearing With size alternative model
ModelInner Diameter
d(mm)
Outer Diameter
D(mm)
thickness
B(mm)
BrandType
NSK 71921AC Bearing10514520NSKAngular Contact Ball Bearings
NTN 61921-RZ Bearing10514520NTNDeep Groove Ball Bearings
TORRINGTON 71921 C Bearing10514520TORRINGTONAngular Contact Ball Bearings
NSK 61921-Z Bearing10514520NSKDeep Groove Ball Bearings
FAG 71921AC Bearing10514520FAGAngular Contact Ball Bearings
NSK NSK6921-ZZ Bearing10514520NSKDeep Groove Ball Bearings
TBS 61921 Bearing10514520TBSDeep Groove Ball Bearings
MRC 61921 Bearing10514520MRCDeep Groove Ball Bearings
RHP 71921 C Bearing10514520RHPAngular Contact Ball Bearings
KOYO 6921RS Bearing10514520KOYODeep Groove Ball Bearings

We export high quantities KOYO 6921 RS Bearing and relative products, we have huge stocks for KOYO 6921 RS Bearing and relative items, we supply high quality KOYO 6921 RS Bearing with reasonbable price or we produce the bearings along with the technical data or relative drawings, It's priority to us to supply best service to our clients. If you are interested in KOYO 6921 RS Bearing,plz email us admin@tradebearings.com
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What are the advantages of the Deep Groove Ball Bearings design?
 
The inner and outer raceways are deep grooves, with point contact between the steel balls and the raceways, resulting in low friction and low heat generation. The structure is simple and compact, capable of withstanding combined radial and bidirectional axial loads, with high limiting speeds, low noise, and some compensation capability for installation angle deviations, facilitating high-precision mass production.
 
What are the advantages of Deep Groove Ball Bearings compared to similar products?
 
Compared to angular contact ball bearings, they can withstand bidirectional axial forces and do not require pairing; compared to cylindrical roller bearings, they can withstand axial loads and have higher speeds; compared to thrust ball bearings, they can simultaneously withstand radial forces. They offer balanced overall performance, achieving the optimal balance in cost, speed, load capacity, and ease of installation, making them the most versatile.
 
What are the applications and classic applications of Deep Groove Ball Bearings?
 
They are widely used in motors, automotive alternators and gearboxes, household appliances (washing machines, vacuum cleaners), water pumps, and precision transmission equipment. Classic applications include rotor supports for small and medium-sized motors, automotive alternators, air conditioning compressors, and roller-type moving parts, making them the most common type of bearing in rotating machinery.

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