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NTN 6320LLUC3/EM is a 63 series single-row deep groove ball bearing with a 100 mm straight bore. It features double contact rubber seals (LLU), C3 internal clearance, and a machined brass cage. Constructed from high carbon chrome steel, this bearing is designed for electric motors, pumps, fans, and general rotating machinery.
MODEL 6320LLUC3/EM
$992.33 Each
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Returnable:No
Axial Static Load Rating
31698 lbf
Axial static load rating
31698 lbf
B (in)
1.8500
Ball Material
Through Hardened Steel
Ball material
Through hardened steel
Bore Type
0
Bore type
0
Cage Material
Pressed Steel
Cage material
Pressed steel
Cage Type
Pressed
Cage type
Pressed
Clearance
C3
Configuration
One
d (in)
3.9370
D (in)
8.4650
Da max
7.9528 in
da max
5.2362 in
Dynamic Load Rating
43165 lbf
Dynamic load rating
43165 lbf
Enclosure
Full Contact Seal - Both Sides
Factor
13.2
Height
8.465
I.D.
100 mm
Length
8.465
Limiting Speed - Grease
2200 RPM
Limiting speed - grease
2200 RPM
Material
High carbon chrome steel
O.D.
215 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
0
Precision
ISO class 0
r (in)
0.1181
Radial Dynamic Load Rating
43164 lbf
Radial Internal Clearance
0
Radial internal clearance
0
ras max
0.0984 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
31700 lbf
Static load rating
31700 lbf
Type
Deep Groove Ball Bearing
Width
1.8504
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 | 2200 RPM |
| Seal Type | Contact |
| Seal Material | Nitrile Rubber |
| Precision | ISO Class 0 |
| Configuration | One |
| Factor | 13.2 |
| Radial Internal Clearance | C3 |
| Static Load Rating | 31500 lbf141000 N141.00 kN |
| Dynamic Load Rating | 39000 lbf173000 N173.00 kN |
| Enclosure | Double Sealed |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 3.9370 in100.000 mm |
|---|---|
| D | 8.4646 in215.000 mm |
| B | 1.8504 in47.000 mm |
| r | 0.1181 in3.000 mm |
| da max | 5.2362 in133.000 mm |
| Da max | 7.9528 in202.000 mm |
| ras max | 0.0984 in2.500 mm |
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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