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NTN UCFUX-2.3/16 is an Ultra-Class four-bolt flanged unit with a 2-3/16 inch bore, set screw locking mechanism, and cast iron housing. Designed for heavy-duty industrial applications requiring secure mounting and easy installation.
MODEL UCFUX-2.3/16
$233.37 Each
Prices are subject to change
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Returnable:No
A (in)
2.0938
A0
2.9063 in
A1
0.8125 in
A2
1.3438 in
B (in)
2.5630
Bearing Number
A-UCX11-203D1
Bearing number
A-UCX11-203D1
Bearing Type
Ball Bearing
d (in)
2 3/16
Dynamic Load Rating
11800 lbf
Dynamic load rating
11800 lbf
End Type
Open
End type
Open
F (in)
0.2441
Finish/Coating
Black oxide
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FU212D1V50
I.D.
2.1875 in
J (in)
5.6250
L (in)
6.8750
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
2450 RPM
Max Tightening Torque
86 lb·in
N (in)
0.6719
O.D.
4.3307 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light 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
4-Bolt Square Flanged Unit
Width
2.563 in
Technical Specifications
Type | 4-Bolt Square Flanged Unit |
Bearing Type | Ball Bearing |
Locking Device | Set Screw |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Bearing Number | A-UCX11-203D1 |
Housing Number | FU212D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 11800 lbf52500 N52.50 kN |
Static Load Rating | 8100 lbf36000 N36.00 kN |
Max Tightening Torque | 86 lb·in |
Rotational Speed [Max] | 2450 RPM |
Weight | 10.251 lb4.650 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 2.1875 in55.563 mm |
L | 6.8750 in174.6 mm |
J | 5.6250 in142.9 mm |
A | 2.0938 in53.2 mm |
A0 | 2.9063 in73.800 mm |
A1 | 0.8125 in20.6 mm |
A2 | 1.3438 in34.1 mm |
N | 0.6719 in17.1 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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