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NTN 6322ZZ 63 series single-row deep groove ball bearing with a 110 mm straight bore. Double metal shields (ZZ) protect against contaminants while maintaining low friction. Designed for radial loads in electric motors, pumps, fans, and general industrial machinery.
MODEL 6322ZZ
$1,165.50 Each
Prices are subject to change
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Returnable:No
B (in)
1.9685
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
9.4488
d (in)
4.3307
Da max
8.937 in
da max
5.8661 in
da min
4.8425 in
Dynamic Load Rating
51030 lbf
Dynamic load rating
51030 lbf
Enclosure
Double Shielded
Factor
13.1
I.D.
110 mm
Limiting Speed - Grease
2900 RPM
Limiting speed - grease
2900 RPM
Material
High carbon chrome steel
O.D.
240 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.1181
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0984 in
Seal material
None
Seal type
None
Static Load Rating
40000 lbf
Static load rating
40000 lbf
Type
Deep Groove Ball Bearing
Technical Specifications
Type | Deep Groove Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Grease | 2900 RPM |
Seal Type | None |
Seal Material | None |
Precision | ISO Class 0 |
Configuration | One |
Factor | 13.1 |
Radial Internal Clearance | CN |
Static Load Rating | 40000 lbf179000 N179.00 kN |
Dynamic Load Rating | 46000 lbf205000 N205.00 kN |
Enclosure | Double Shielded |
Weight | 21.253 lb9.640 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
What is the difference between deep groove and angular contact ball bearings?
Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.
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