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NTN 6204LLUN is a 62 series single-row deep groove ball bearing with a 20 mm straight bore. It features double sealed (contact rubber seal) and a snap ring groove. The bearing has a stamped steel cage and is pre-greased. Used in electric motors, pumps, fans, and general rotating machinery.
MODEL 6204LLUN
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$17.59 Each
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Brand Minimum Order Quantity: 5
Typically Ships in: 1 day
Returnable:No
a (in)
0.0969
B (in)
0.5512
b (in)
0.0531
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
d (in)
0.7874
D (in)
1.8504
D1
1.7559 in
Da max
1.6535 in
da max
1.1024 in
da min
0.9843 in
Dynamic Load Rating
3180 lbf
Dynamic load rating
3180 lbf
Enclosure
Double Sealed
Factor
13.2
I.D.
20 mm
Limiting Speed - Grease
10000 RPM
Limiting speed - grease
10000 RPM
Material
High carbon chrome steel
O.D.
47 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
Class 0
r (in)
0.0394
r1
0.0197 in
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0394 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
1500 lbf
Static load rating
1500 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 |
Limiting Speed - Grease | 10000 RPM |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Precision | Class 0 |
Configuration | One |
Factor | 13.2 |
Radial Internal Clearance | CN |
Static Load Rating | 1500 lbf6650 N6.65 kN |
Dynamic Load Rating | 2880 lbf12800 N12.80 kN |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.7874 in20.000 mm |
D | 1.8504 in47.000 mm |
B | 0.5512 in14.000 mm |
D1 | 1.7559 in44.600 mm |
a | 0.0969 in2.460 mm |
b | 0.0531 in1.350 mm |
r | 0.0394 in1.000 mm |
r1 | 0.0197 in0.500 mm |
da min | 0.9843 in25.000 mm |
da max | 1.1024 in28.000 mm |
Da max | 1.6535 in42.000 mm |
ras max | 0.0394 in1.000 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 are the dimensions and typical uses of a 6200 series ball bearing?
A standard 6200 ball bearing has: • 10 mm bore • 30 mm outer diameter • 9 mm width The 6200 series sits within the deep groove ball bearing family and is designed for light to moderate loads at relatively high speeds. You’ll typically find them in electric motors, small gearboxes, pumps, and general industrial equipment. They’re popular because they’re compact, widely available, and cost effective. Different variants exist such as sealed, shielded, or high clearance versions, depending on the application.
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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