NTN 71938C/DT Bearing_NTN 71938C/DT Size and Details

NTN 71938C/DT bearing

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NTN 71938C/DT Bearing Details：

Bearing Name	71938C/DT
New Model	71938C/DT
Old Model	1436938 bearing
product Model	71938C/DT
Category	Angular Contact Ball Bearings
Brand	NTN Bearing
Inner Diameter d ( mm )	190
Outer Diameter D ( mm )	260
Thickness B ( mm )	66

NTN 71938C/DT Bearing Bearing Size and Drawing：

NTN 71938C/DT Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
NTN 71938 C/ DF Bearing	190	260	66	NTN	Angular Contact Ball Bearings
TBS 71938C/DB Bearing	190	260	66	TBS	Angular Contact Ball Bearings
TBS 71938C/DB Bearing	190	260	66	TBS	Angular Contact Ball Bearings
BARDEN 71938 C/ DT Bearing	190	260	66	BARDEN	Angular Contact Ball Bearings
NSK 71938C/DB Bearing	190	260	66	NSK	Angular Contact Ball Bearings
BARDEN 71938C/DB Bearing	190	260	66	BARDEN	Angular Contact Ball Bearings
TBS 71938 C/ DF Bearing	190	260	66	TBS	Angular Contact Ball Bearings
NTN 71938C/DF Bearing	190	260	66	NTN	Angular Contact Ball Bearings
FAG 71938C/DT Bearing	190	260	66	FAG	Angular Contact Ball Bearings
NTN 71938C/DB Bearing	190	260	66	NTN	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：MRC 71915C/DT
Next：GMN 71908C/DT

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