NTN 7312B Bearing_NTN 7312B Size and Details

NTN 7312B bearing

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NTN 7312B Bearing Details：

Bearing Name	7312B
New Model	7312B
Old Model	66312 bearing
product Model	7312B
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	60
Outer Diameter D ( mm )	130
Thickness B ( mm )	31

NTN 7312B Bearing Bearing Size and Drawing：

NTN 7312B Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
NSK 1312K Bearing	60	130	31	NSK	Self-aligning Ball Bearings
DKF 7312B Bearing	60	130	31	DKF	Angular Contact Ball Bearings
NTN NU 312 Bearing	60	130	31	NTN	Cylindrical Roller Bearings
FAG NU 312 E.TVP2 Bearing	60	130	31	FAG	Cylindrical Roller Bearings
NTN 21312 CCK Bearing	60	130	31	NTN	Spherical Roller Bearings
RHP 6312-2Z Bearing	60	130	31	RHP	Deep Groove Ball Bearings
KOYO 6312 2RU Bearing	60	130	31	KOYO	Deep Groove Ball Bearings
NACHI 1312 K Bearing	60	130	31	NACHI	Self-aligning Ball Bearings
FAG 6312-Z Bearing	60	130	31	FAG	Deep Groove Ball Bearings
TBS NUP312ECP* Bearing	60	130	31	TBS	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 7324B
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