NTN 7228B Bearing_NTN 7228B Size and Details

NTN 7228B bearing

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NTN 7228B Bearing Details：

Bearing Name	7228B
New Model	7228B
Old Model	66228 bearing
product Model	7228B
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	140
Outer Diameter D ( mm )	250
Thickness B ( mm )	42

NTN 7228B Bearing Bearing Size and Drawing：

NTN 7228B Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
MAC NJ228 Bearing	140	250	42	MAC	Cylindrical Roller Bearings
NACHI 7228 C Bearing	140	250	42	NACHI	Angular Contact Ball Bearings
NSK NF228 Bearing	140	250	42	NSK	Cylindrical Roller Bearings
ZKL N 228 Bearing	140	250	42	ZKL	Cylindrical Roller Bearings
KOYO NU228E Bearing	140	250	42	KOYO	Cylindrical Roller Bearings
KOYO 7228 C Bearing	140	250	42	KOYO	Angular Contact Ball Bearings
TBS 7228 BM Bearing	140	250	42	TBS	Angular Contact Ball Bearings
TBS 6228 Bearing	140	250	42	TBS	Deep Groove Ball Bearings
STEYR 6228 Bearing	140	250	42	STEYR	Deep Groove Ball Bearings
FAG NU228E Bearing	140	250	42	FAG	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：NTN 7215B
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