TBS 7021AC/DB Bearing_TBS 7021AC/DB Size and Details

TBS 7021AC/DB bearing

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TBS 7021AC/DB Bearing Details：

Bearing Name	7021AC/DB
New Model	7021AC/DB
Old Model	246121 bearing
product Model	7021AC/DB
Category	Angular Contact Ball Bearings
Brand	TBS Bearing
Inner Diameter d ( mm )	105
Outer Diameter D ( mm )	160
Thickness B ( mm )	52

TBS 7021AC/DB Bearing Bearing Size and Drawing：

TBS 7021AC/DB Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
MRC 7021C/DT Bearing	105	160	52	MRC	Angular Contact Ball Bearings
KOYO 7021AC/DF Bearing	105	160	52	KOYO	Angular Contact Ball Bearings
FAG 7021 C/ DF Bearing	105	160	52	FAG	Angular Contact Ball Bearings
KOYO 7021CDF Bearing	105	160	52	KOYO	Angular Contact Ball Bearings
MRC 7021AC/DB Bearing	105	160	52	MRC	Angular Contact Ball Bearings
SNR 7021 AC/ DT Bearing	105	160	52	SNR	Angular Contact Ball Bearings
DKF 7021 AC/ DT Bearing	105	160	52	DKF	Angular Contact Ball Bearings
NTN 7021C/DF Bearing	105	160	52	NTN	Angular Contact Ball Bearings
GMN 7021AC/DB Bearing	105	160	52	GMN	Angular Contact Ball Bearings
SNR 7021AC/DB Bearing	105	160	52	SNR	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：FAG 7008AC/DB
Next：TBS 7211AC/DB

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