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NTN 6208LLUNR is a 62 series single-row deep groove ball bearing with a 40 mm straight bore. It features double rubber contact seals and a snap ring groove for axial location. The bearing has a stamped steel cage and is pre-greased for maintenance-free operation. Suitable for electric motors, pumps, and general industrial machinery.
MODEL 6208LLUNR
$22.60 Each
Prices are subject to change
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Returnable:No
a (in)
0.1291
B (in)
0.7087
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)
3.1496
d (in)
1.5748
D1
3.0240 in
D2
3.4094 in
da max
2.0079 in
Da max
2.8937 in
da min
1.8307 in
Dynamic Load Rating
7300 lbf
Dynamic load rating
7300 lbf
Enclosure
Double Sealed
f (in)
0.0669
Factor
14.0
I.D.
40 mm
Limiting Speed - Grease
5600 RPM
Limiting speed - grease
5600 RPM
Material
High carbon chrome steel
O.D.
80 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0433
r1
0.0118 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
4000 lbf
Static load rating
4000 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 | 5600 RPM |
| Seal Type | Contact |
| Seal Material | Nitrile Rubber |
| Precision | ISO Class 0 |
| Configuration | One |
| Factor | 14.0 |
| Radial Internal Clearance | CN |
| Static Load Rating | 4000 lbf17800 N17.80 kN |
| Dynamic Load Rating | 6550 lbf29100 N29.10 kN |
| Enclosure | Double Sealed |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 1.5748 in40.000 mm |
|---|---|
| D | 3.1496 in80.000 mm |
| B | 0.7087 in18.000 mm |
| D1 | 3.0240 in76.810 mm |
| D2 | 3.4094 in86.600 mm |
| a | 0.1291 in3.280 mm |
| f | 0.0669 in1.700 mm |
| r | 0.0433 in1.100 mm |
| r1 | 0.0118 in0.300 mm |
| da min | 1.8307 in46.500 mm |
| da max | 2.0079 in51.000 mm |
| Da max | 2.8937 in73.500 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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