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NTN UELFU211-203D1 is a ULK 4-bolt flange mounted bearing unit with an eccentric collar locking mechanism. It features a cast iron housing and a 2-3/16 in (55.6 mm) bore. Designed for heavy-duty industrial applications requiring secure shaft mounting and easy installation.
MODEL UELFU211-203D1
$139.17 Each
Prices are subject to change
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A (in)
1.9375
A0
2.9375 in
A1
0.8125 in
A2
1.2187 in
B1
2.8110 in
Bearing Number
UEL211-203D1
Bearing number
UEL211-203D1
Bearing Type
Ball Bearing
d (in)
2.1875
Dynamic Load Rating
9800 lbf
Dynamic load rating
9800 lbf
End Type
Open
End type
Open
F (in)
0.2362
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FU211D1
I.D.
2.1875 in
J (in)
5.1
L (in)
6.4
Locking Device
Eccentric Locking Collar
Locking device
Eccentric locking collar
Lubrication
Relubricatable
Max Rotational Speed
2900 RPM
N (in)
0.7031
O.D.
3.937 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
1.0945 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
6550 lbf
Static load rating
6550 lbf
Type
4-Bolt Square Flanged Unit
Width
2.811 in
Four Bolt Square Flanged Unit - NTN UELFU211-203D1 The NTN UELFU211-203D1 is a high-quality four bolt square flanged unit designed for robust applications requiring reliable and precise operation. Engineered with a cast housing and equipped with an eccentric locking collar, this bearing unit offers exceptional stability and ease of installation, making it an ideal choice for various industrial and automotive applications.
Key Features
| Design | Constructed with a durable cast iron housing that ensures high strength and resistance to wear and tear. |
|---|---|
| Eccentric Locking Collar | The eccentric locking design allows for easy and secure mounting, ensuring the bearing remains fixed in place during operation. |
| Flange Configuration | The four-bolt configuration provides excellent mounting stability, making it suitable for heavy-duty applications. |
| Compatibility | Designed to fit standard shaft diameters, allowing for versatility in use across different machinery. |
| Maintenance-Free | Pre-lubricated and sealed for life, requiring minimal maintenance and reducing downtime. |
Applications
| Industrial Machinery | Ideal for applications in conveyors, compressors, and other machinery requiring reliable bearing support. |
|---|---|
| Automotive Components | Suitable for use in various automotive systems that demand high performance and durability. |
| Agricultural Equipment | A reliable choice for agricultural machinery, enhancing operational efficiency in farming applications. |
Benefits
| Enhanced Performance | Provides smooth operation and reduced friction, contributing to improved energy efficiency in machinery. |
|---|---|
| Durability | The robust design ensures long service life, reducing the frequency of replacements and maintenance costs. |
| Easy Installation | Simple mounting process minimizes installation time, allowing for quick setup and reduced operational delays. |
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.
