KOYO 6321 Bearing_KOYO 6321 Size and Details

KOYO 6321 bearing

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KOYO 6321 Bearing Details：

Bearing Name	6321
New Model	6321
Old Model	321 bearing
product Model	6321
Category	Deep Groove Ball Bearings
Brand	KOYO Bearing
Inner Diameter d ( mm )	105
Outer Diameter D ( mm )	225
Thickness B ( mm )	49

KOYO 6321 Bearing Bearing Size and Drawing：

KOYO 6321 Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
TBS NJ 321 E CJ* Bearing	105	225	49	TBS	Cylindrical Roller Bearings
FAG NJ 321 E Bearing	105	225	49	FAG	Cylindrical Roller Bearings
NACHI NUP 321 Bearing	105	225	49	NACHI	Cylindrical Roller Bearings
AET NU321 Bearing	105	225	49	AET	Cylindrical Roller Bearings
TBS NJ321ECJ* Bearing	105	225	49	TBS	Cylindrical Roller Bearings
TBS N 321 E Bearing	105	225	49	TBS	Cylindrical Roller Bearings
TBS NUP321E Bearing	105	225	49	TBS	Cylindrical Roller Bearings
NSK 1321 Bearing	105	225	49	NSK	Self-aligning Ball Bearings
STEYR 6321-2Z Bearing	105	225	49	STEYR	Deep Groove Ball Bearings
KOYO 7321B Bearing	105	225	49	KOYO	Angular Contact Ball Bearings

We export high quantities KOYO 6321 Bearing and relative products, we have huge stocks for KOYO 6321 Bearing and relative items, we supply high quality KOYO 6321 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 6321 Bearing,plz email us admin@tradebearings.com

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.

Preview：NACHI 6232
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