NTN 7209AC Bearing_NTN 7209AC Size and Details

NTN 7209AC bearing

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NTN 7209AC Bearing Details：

Bearing Name	7209AC
New Model	7209AC
Old Model	46209 bearing
product Model	7209AC
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	45
Outer Diameter D ( mm )	85
Thickness B ( mm )	19

NTN 7209AC Bearing Bearing Size and Drawing：

NTN 7209AC Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
RHP 1209K Bearing	45	85	19	RHP	Self-aligning Ball Bearings
TBS 1209ETN9 Bearing	45	85	19	TBS	Self-aligning Ball Bearings
NACHI NJ209 Bearing	45	85	19	NACHI	Cylindrical Roller Bearings
TBS 1209 E K TN9 Bearing	45	85	19	TBS	Self-aligning Ball Bearings
NSK NSKNJ209EW Bearing	45	85	19	NSK	Cylindrical Roller Bearings
ASK NUP209 Bearing	45	85	19	ASK	Cylindrical Roller Bearings
NSK N 209 Bearing	45	85	19	NSK	Cylindrical Roller Bearings
ZKL 30209 Bearing	45	85	19	ZKL	Tapered Roller Bearings
TBS 30209 Bearing	45	85	19	TBS	Tapered Roller Bearings
KOYO 6209 2RS Bearing	45	85	19	KOYO	Deep Groove Ball 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：NTN 7218AC
Next：NTN 7219AC

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