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NTN SPW2211N1 is a spherical roller mounted pillow block with a 55 mm bore, set screw lock, and cast iron housing. Designed for heavy-duty industrial applications requiring self-alignment and high load capacity.
MODEL SPW2211N1
$472.36 Each
Prices are subject to change
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Returnable:No
a (in)
10.0394
Adapter Sleeve Number
H2311XM1
b (in)
2.4409
b1
2.7559 in
Bearing Number
MX-W22211EALLKW33C3
Bearing number
MX-W22211EALLKW33C3
Bearing Type
Spherical Roller Bearing
c (in)
1.1024
d (in)
1.9685
Dynamic Load Rating
35000 lbf
Dynamic load rating
35000 lbf
End Type
Open
End type
Open
h (in)
2.7559
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Ductile Iron
Housing material
Ductile Iron
Housing Number
SP211N1
Locking Device
Adapter
Locking device
Adapter
Lubrication
Relubricatable
M (in)
8.2677
Max Rotational Speed
2700 RPM
Mounting Type
2-Bolt
Operating Temperature Range
-40 to 400 °F
Operating temperature range
-40 to 400 ºF
Performance
Heavy duty
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Static Load Rating
33500 lbf
Static load rating
33500 lbf
Type
Pillow Block Unit
u
0.7087 in
v
0.9055 in
w
5.3543 in
Sealed Spherical Pillow Blocks, SPW Type The NTN Sealed Spherical Pillow Blocks, catalog number SPW2211N1, represent a pinnacle of engineering in the realm of bearings, specifically designed to provide superior performance and reliability in various applications. These high-quality pillow blocks are engineered to accommodate misalignment and support heavy loads, making them ideal for demanding environments in both automotive and industrial sectors.
Key Features
| Sealed Design | Integrated seals protect against contaminants, enhancing longevity and reducing maintenance requirements. |
|---|---|
| Spherical Roller Bearings | Designed with a spherical outer surface to allow effective self-alignment, accommodating shaft deflections and ensuring consistent performance. |
| Robust Construction | Manufactured from high-quality materials, ensuring durability and resistance to wear under heavy loads. |
| Straight/Round Bore | Features a versatile design suitable for a range of shaft dimensions, delivering flexibility in application. |
| Easy Installation | Designed for straightforward mounting, allowing for efficient installation and reduced downtime. |
Applications
| Heavy Machinery | Ideal for use in conveyors, cranes, and industrial equipment requiring reliable performance under load. |
|---|---|
| Automotive Components | Perfectly suited for automotive applications, particularly in wheel hubs where precision and durability are critical. |
| Agricultural Equipment | Excellent choice for agricultural machinery due to their ability to handle harsh environments and heavy-duty operations. |
Benefits
| Enhanced Performance | The spherical design allows for optimal load distribution, improving the overall efficiency of machinery and reducing operational costs. |
|---|---|
| Reduced Maintenance | Sealed construction minimizes the ingress of dirt and moisture, significantly extending the service life of the bearings. |
| Versatile Usage | Their adaptability makes them suitable for various industries, ensuring reliability and performance across applications. |
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.
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