NTN 7040 AC Bearing_NTN 7040 AC Size and Details

NTN 7040 AC bearing

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NTN 7040 AC Bearing Details：

Bearing Name	7040 AC
New Model	7040AC
Old Model	46140 bearing
product Model	7040AC
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	200
Outer Diameter D ( mm )	310
Thickness B ( mm )	51

NTN 7040 AC Bearing Bearing Size and Drawing：

NTN 7040 AC Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
TORRINGTON 7040 C Bearing	200	310	51	TORRINGTON	Angular Contact Ball Bearings
DKF 7040 AC Bearing	200	310	51	DKF	Angular Contact Ball Bearings
SNR 7040C Bearing	200	310	51	SNR	Angular Contact Ball Bearings
NSK NU1040 Bearing	200	310	51	NSK	Cylindrical Roller Bearings
TBS 6040 Bearing	200	310	51	TBS	Deep Groove Ball Bearings
NACHI 6040 Bearing	200	310	51	NACHI	Deep Groove Ball Bearings
NSK N1040 Bearing	200	310	51	NSK	Cylindrical Roller Bearings
MRC 7040 C Bearing	200	310	51	MRC	Angular Contact Ball Bearings
STEYR 6040 Bearing	200	310	51	STEYR	Deep Groove Ball Bearings
NTN 6040 Bearing	200	310	51	NTN	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 7021 AC
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