TBS 71903C/DB Bearing_TBS 71903C/DB Size and Details

TBS 71903C/DB bearing

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TBS 71903C/DB Bearing Details：

Bearing Name	71903C/DB
New Model	71903C/DB
Old Model	1236903 bearing
product Model	71903C/DB
Category	Angular Contact Ball Bearings
Brand	TBS Bearing
Inner Diameter d ( mm )	17
Outer Diameter D ( mm )	30
Thickness B ( mm )	14

TBS 71903C/DB Bearing Bearing Size and Drawing：

TBS 71903C/DB Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
GMN 71903C/DT Bearing	17	30	14	GMN	Angular Contact Ball Bearings
TBS 71903C/DB Bearing	17	30	14	TBS	Angular Contact Ball Bearings
FAG 71903C/DT Bearing	17	30	14	FAG	Angular Contact Ball Bearings
NTN GE17 ES-2RS Bearing	17	30	14	NTN	Spherical Plain Bearing
TBS 71903C/DT Bearing	17	30	14	TBS	Angular Contact Ball Bearings
INA GE17ES-2RS Bearing	17	30	14	INA	Spherical Plain Bearing
GMN 71903 C/ DF Bearing	17	30	14	GMN	Angular Contact Ball Bearings
MRC 71903C/DF Bearing	17	30	14	MRC	Angular Contact Ball Bearings
FAG 71903C/DB Bearing	17	30	14	FAG	Angular Contact Ball Bearings
TBS GE17ES-2RS Bearing	17	30	14	TBS	Spherical Plain Bearing

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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.

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