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NTN UCPX11-203D1 is a heavy-duty 2-bolt pillow block bearing unit with a 2-3/16 in (55.6 mm) bore. The cast iron housing features a set screw locking mechanism for secure shaft mounting. Designed for high-load industrial applications such as conveyors, fans, and material handling equipment.
MODEL UCPX11-203D1
$577.69 Each
Prices are subject to change
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Returnable:No
A (in)
3.1250
B (in)
2.5630
Bearing Number
UCX11-203D1
Bearing number
UCX11-203D1
Bearing Type
Ball Bearing
d (in)
2.1875
Dynamic Load Rating
11800 lbf
Dynamic load rating
11800 lbf
End Type
Open
End type
Open
F (in)
0.2441
H (in)
2.7500
H1
1.1875 in
H2
5.4062 in
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
PX11D1
I.D.
2.1875 in
J (in)
7.2500
L (in)
10.2500
L1
2.9375 in
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
N (in)
0.9687
N1
1.1875 in
O.D.
4.3307 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Medium duty
S
1.0000 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
8100 lbf
Static load rating
8100 lbf
Type
Pillow Block Unit
Width
2.563 in
Technical Specifications
Type | Pillow Block Unit |
Bearing Type | Ball Bearing |
Locking Device | Set Screw |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Bearing Number | UCX11-203D1 |
Housing Number | PX11D1 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
Performance | Medium Duty |
End Type | Open |
Dynamic Load Rating | 11800 lbf52500 N52.50 kN |
Static Load Rating | 8100 lbf36000 N36.00 kN |
Weight | 12.100 lb5.490 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.1875 in55.563 mm |
J | 7.2500 in184.0 mm |
L | 10.2500 in260.0 mm |
A | 3.1250 in79.0 mm |
H | 2.7500 in69.8 mm |
H1 | 1.1875 in30.0 mm |
H2 | 5.4062 in137.0 mm |
L1 | 2.9375 in75.0 mm |
N | 0.9687 in25.0 mm |
N1 | 1.1875 in28.0 mm |
B | 2.5630 in65.100 mm |
S | 1.0000 in25.400 mm |
F | 0.2441 in6.200 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.
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