DKF 7311 AC Bearing_DKF 7311 AC Size and Details

DKF 7311 AC bearing

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DKF 7311 AC Bearing Details：

Bearing Name	7311 AC
New Model	7311AC
Old Model	46311 bearing
product Model	7311AC
Category	Angular Contact Ball Bearings
Brand	DKF Bearing
Inner Diameter d ( mm )	55
Outer Diameter D ( mm )	120
Thickness B ( mm )	29

DKF 7311 AC Bearing Bearing Size and Drawing：

DKF 7311 AC Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
KOYO 6311-RS Bearing	55	120	29	KOYO	Deep Groove Ball Bearings
NSK QJ 311 Bearing	55	120	29	NSK	Angular Contact Ball Bearings
TBS NJ 311 ECP Bearing	55	120	29	TBS	Cylindrical Roller Bearings
MAC NUP 311 Bearing	55	120	29	MAC	Cylindrical Roller Bearings
KOYO NJ311 Bearing	55	120	29	KOYO	Cylindrical Roller Bearings
STEYR 1311 Bearing	55	120	29	STEYR	Self-aligning Ball Bearings
NSK 6311-2RZ Bearing	55	120	29	NSK	Deep Groove Ball Bearings
FAG 31311A+T7FB055 Bearing	55	120	29	FAG	Tapered Roller Bearings
KOYO NJ311E+HJ311E Bearing	55	120	29	KOYO	Cylindrical Roller Bearings
NSK 21311CC Bearing	55	120	29	NSK	Spherical 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：DKF 7300 AC
Next：DKF 7301 AC

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