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NTN UCFU-1.1/2 is an Ultra-Class 4-bolt square flanged unit with a 1-1/2 inch bore, set screw locking, and a cast iron housing. Designed for heavy-duty industrial applications requiring secure shaft mounting and easy installation.
MODEL UCFU-1.1/2
$127.49 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
A (in)
1.5313
A0
2.1406 in
A1
0.6563 in
A2
0.9375 in
B (in)
1.9370
Bearing Number
A-UC208-108D1
Bearing number
A-UC208-108D1
Bearing Type
Ball Bearing
d (in)
1 1/2
Dynamic Load Rating
6550 lbf
Dynamic load rating
6550 lbf
End Type
Open
End type
Open
F (in)
0.1772
Finish/Coating
Black oxide
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FU208D1V50
I.D.
1.5 in
J (in)
4.0000
L (in)
5.1563
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
3700 RPM
Max Tightening Torque
69 lb·in
N (in)
0.5156
O.D.
3.1496 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.7480 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
4-Bolt Square Flanged Unit
Width
1.937 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-UC208-108D1 |
Housing Number | FU208D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 6550 lbf29100 N29.10 kN |
Static Load Rating | 4000 lbf17800 N17.80 kN |
Max Tightening Torque | 69 lb·in |
Rotational Speed [Max] | 3700 RPM |
Weight | 1.962 lb0.890 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
|
| |
d | 1.5 in38.100 mm |
|---|---|
L | 5.1563 in131.0 mm |
J | 4.0000 in101.6 mm |
A | 1.5313 in38.9 mm |
A0 | 2.1406 in54.400 mm |
A1 | 0.6563 in16.7 mm |
A2 | 0.9375 in23.8 mm |
N | 0.5156 in13.1 mm |
B | 1.9370 in49.200 mm |
S | 0.7480 in19.000 mm |
F | 0.1772 in4.500 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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