NTN 61821N Bearing_NTN 61821N Size and Details

NTN 61821N bearing

We introduce you to the NTN 61821N models bearing the relevant parameters, including the model, size, drawings and other models of the same size, if you have any do not understand or want to learn more parameters or would like to inquire about NTN 61821N, please contact us: admin@tradebearings.com

NTN 61821N Bearing Details：

Bearing Name	61821N
New Model	61821N
Old Model	1050821 bearing
product Model	61821N
Category	Deep Groove Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	105
Outer Diameter D ( mm )	130
Thickness B ( mm )	13

NTN 61821N Bearing Bearing Size and Drawing：

NTN 61821N Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
NTN 61821-RZ Bearing	105	130	13	NTN	Deep Groove Ball Bearings
TBS 61821-RZ Bearing	105	130	13	TBS	Deep Groove Ball Bearings
KOYO 61821-2RZ Bearing	105	130	13	KOYO	Deep Groove Ball Bearings
KOYO 6821 2RU Bearing	105	130	13	KOYO	Deep Groove Ball Bearings
NACHI 61821N Bearing	105	130	13	NACHI	Deep Groove Ball Bearings
TBS 61821 Bearing	105	130	13	TBS	Deep Groove Ball Bearings
NTN 61821-RS Bearing	105	130	13	NTN	Deep Groove Ball Bearings
NSK 61821 Bearing	105	130	13	NSK	Deep Groove Ball Bearings
Nachi 61821 Bearing	105	130	13	Nachi	Deep Groove Ball Bearings
NTN 61821-RZ Bearing	105	130	13	NTN	Deep Groove Ball Bearings

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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.

Preview：NACHI 61811N
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