NTN 61921-2Z Bearing_NTN 61921-2Z Size and Details

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NTN 61921-2Z bearing

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NTN 61921-2Z Bearing Details：

Bearing Name	61921-2Z
New Model	61921-2Z
Old Model	1080921 bearing
product Model	61921-2Z
Category	Deep Groove Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	105
Outer Diameter D ( mm )	145
Thickness B ( mm )	20

NTN 61921-2Z Bearing Bearing Size and Drawing：

NTN 61921-2Z Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
NTN 61921 Bearing	105	145	20	NTN	Deep Groove Ball Bearings
NACHI 61921 Bearing	105	145	20	NACHI	Deep Groove Ball Bearings
KOYO 61921 Bearing	105	145	20	KOYO	Deep Groove Ball Bearings
NSK 61921-2RZ Bearing	105	145	20	NSK	Deep Groove Ball Bearings
KOYO 6921ZZ Bearing	105	145	20	KOYO	Deep Groove Ball Bearings
NTN 61921-2RS Bearing	105	145	20	NTN	Deep Groove Ball Bearings
NTN 61921-RS Bearing	105	145	20	NTN	Deep Groove Ball Bearings
NSK 61921-Z Bearing	105	145	20	NSK	Deep Groove Ball Bearings
TORRINGTON 71921C Bearing	105	145	20	TORRINGTON	Angular Contact Ball Bearings
TBS 71921 C Bearing	105	145	20	TBS	Angular Contact Ball Bearings

We export high quantities NTN 61921-2Z Bearing and relative products, we have huge stocks for NTN 61921-2Z Bearing and relative items, we supply high quality NTN 61921-2Z 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 NTN 61921-2Z 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：NSK 6001-2Z
Next：NTN 61912-2Z

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