NSK 71930 AC Bearing_NSK 71930 AC Size and Details

NSK 71930 AC bearing

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NSK 71930 AC Bearing Details：

Bearing Name	71930 AC
New Model	71930AC
Old Model	1046930 bearing
product Model	71930AC
Category	Angular Contact Ball Bearings
Brand	NSK Bearing
Inner Diameter d ( mm )	150
Outer Diameter D ( mm )	210
Thickness B ( mm )	28

NSK 71930 AC Bearing Bearing Size and Drawing：

NSK 71930 AC Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
TBS 71930 AC Bearing	150	210	28	TBS	Angular Contact Ball Bearings
NSK 61930 Bearing	150	210	28	NSK	Deep Groove Ball Bearings
NSK 61930 Bearing	150	210	28	NSK	Deep Groove Ball Bearings
GMN 71930 C Bearing	150	210	28	GMN	Angular Contact Ball Bearings
RHP 71930AC Bearing	150	210	28	RHP	Angular Contact Ball Bearings
NTN 71930 C Bearing	150	210	28	NTN	Angular Contact Ball Bearings
NSK 71930AC Bearing	150	210	28	NSK	Angular Contact Ball Bearings
KOYO 61930 Bearing	150	210	28	KOYO	Deep Groove Ball Bearings
NSK 71930 AC Bearing	150	210	28	NSK	Angular Contact Ball Bearings
FAG 71930 C Bearing	150	210	28	FAG	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.

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