NTN QJ319 Bearing_NTN QJ319 Size and Details

NTN QJ319 bearing

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NTN QJ319 Bearing Details：

Bearing Name	QJ319
New Model	QJ319
Old Model	176319 bearing
product Model	QJ319
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	95
Outer Diameter D ( mm )	200
Thickness B ( mm )	45

NTN QJ319 Bearing Bearing Size and Drawing：

NTN QJ319 Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
NACHI NJ319+HJ319 Bearing	95	200	45	NACHI	Cylindrical Roller Bearings
TBS 21319EK* Bearing	95	200	45	TBS	Spherical Roller Bearings
NSK 7319 AC Bearing	95	200	45	NSK	Angular Contact Ball Bearings
STEYR 6319-ZN Bearing	95	200	45	STEYR	Deep Groove Ball Bearings
KOYO 6319 BI Bearing	95	200	45	KOYO	Angular Contact Ball Bearings
STEYR 6319-RS Bearing	95	200	45	STEYR	Deep Groove Ball Bearings
TBS 31319 Bearing	95	200	45	TBS	Tapered Roller Bearings
NACHI 6319-2RZ Bearing	95	200	45	NACHI	Deep Groove Ball Bearings
FLT N 319 Bearing	95	200	45	FLT	Cylindrical Roller Bearings
AET NU319 Bearing	95	200	45	AET	Cylindrical Roller Bearings

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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.

Preview：RHP QJ205
Next：NTN QJ309

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