NTN 7040C/DB Bearing_NTN 7040C/DB Size and Details

NTN 7040C/DB bearing

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NTN 7040C/DB Bearing Details：

Bearing Name	7040C/DB
New Model	7040C/DB
Old Model	236140 bearing
product Model	7040C/DB
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	200
Outer Diameter D ( mm )	310
Thickness B ( mm )	102

NTN 7040C/DB Bearing Bearing Size and Drawing：

NTN 7040C/DB Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
SNR 7040 AC/ DB Bearing	200	310	102	SNR	Angular Contact Ball Bearings
NTN 7040 AC/ DB Bearing	200	310	102	NTN	Angular Contact Ball Bearings
GMN 7040 C/ DF Bearing	200	310	102	GMN	Angular Contact Ball Bearings
RHP 7040 C/ DB Bearing	200	310	102	RHP	Angular Contact Ball Bearings
GMN 7040 C/ DT Bearing	200	310	102	GMN	Angular Contact Ball Bearings
SNR 7040AC/DB Bearing	200	310	102	SNR	Angular Contact Ball Bearings
FAG 7040C/DB Bearing	200	310	102	FAG	Angular Contact Ball Bearings
BARDEN 7040 C/ DT Bearing	200	310	102	BARDEN	Angular Contact Ball Bearings
KOYO 7040CDF Bearing	200	310	102	KOYO	Angular Contact Ball Bearings
BARDEN 7040AC/DT Bearing	200	310	102	BARDEN	Angular Contact 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：NACHI 7007C/DB
Next：KOYO 7010C/DB

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