KOYO 71921C/DT Bearing_KOYO 71921C/DT Size and Details

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KOYO 71921C/DT bearing

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KOYO 71921C/DT Bearing Details：

Bearing Name	71921C/DT
New Model	71921C/DT
Old Model	1436921 bearing
product Model	71921C/DT
Category	Angular Contact Ball Bearings
Brand	KOYO Bearing
Inner Diameter d ( mm )	105
Outer Diameter D ( mm )	145
Thickness B ( mm )	40

KOYO 71921C/DT Bearing Bearing Size and Drawing：

KOYO 71921C/DT Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
NTN 71921 C/ DF Bearing	105	145	40	NTN	Angular Contact Ball Bearings
BARDEN 71921 C/ DB Bearing	105	145	40	BARDEN	Angular Contact Ball Bearings
TBS NNU4921B/SPW33 Bearing	105	145	40	TBS	Cylindrical Roller Bearings
NACHI NNU 4921 K Bearing	105	145	40	NACHI	Cylindrical Roller Bearings
KOYO NNU4921 Bearing	105	145	40	KOYO	Cylindrical Roller Bearings
GMN 71921 C/ DF Bearing	105	145	40	GMN	Angular Contact Ball Bearings
KOYO 7921CDT Bearing	105	145	40	KOYO	Angular Contact Ball Bearings
NSK 71921 C/ DT Bearing	105	145	40	NSK	Angular Contact Ball Bearings
KOYO 7921CDF Bearing	105	145	40	KOYO	Angular Contact Ball Bearings
NACHI NNU 4921 Bearing	105	145	40	NACHI	Cylindrical Roller Bearings

We export high quantities KOYO 71921C/DT Bearing and relative products, we have huge stocks for KOYO 71921C/DT Bearing and relative items, we supply high quality KOYO 71921C/DT 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 71921C/DT Bearing,plz email us admin@tradebearings.com

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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