ZKL 7220 B Bearing_ZKL 7220 B Size and Details

ZKL 7220 B bearing

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ZKL 7220 B Bearing Details：

Bearing Name	7220 B
New Model	7220B
Old Model	66220 bearing
product Model	7220B
Category	Angular Contact Ball Bearings
Brand	ZKL Bearing
Inner Diameter d ( mm )	100
Outer Diameter D ( mm )	180
Thickness B ( mm )	34

ZKL 7220 B Bearing Bearing Size and Drawing：

ZKL 7220 B Bearing With size alternative model

Model	Inner Diameter d(mm)	Outer Diameter D(mm)	thickness B(mm)	Brand	Type
KOYO 1220 K Bearing	100	180	34	KOYO	Self-aligning Ball Bearings
NTN NU 220 E Bearing	100	180	34	NTN	Cylindrical Roller Bearings
KOYO NJ220R Bearing	100	180	34	KOYO	Cylindrical Roller Bearings
NSK NSKN220ECP Bearing	100	180	34	NSK	Cylindrical Roller Bearings
NACHI 6220-2RZ Bearing	100	180	34	NACHI	Deep Groove Ball Bearings
NSK 6220N Bearing	100	180	34	NSK	Deep Groove Ball Bearings
TORRINGTON 6220-Z Bearing	100	180	34	TORRINGTON	Deep Groove Ball Bearings
TBS 6220- RS Bearing	100	180	34	TBS	Deep Groove Ball Bearings
NTN 6220-2RZ Bearing	100	180	34	NTN	Deep Groove Ball Bearings
TBS 6220- 2RS Bearing	100	180	34	TBS	Deep Groove 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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