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The NTN UCFLU-3/4 is an Ultra-Class two-bolt rhombus flanged unit with a 3/4 inch bore and set screw locking mechanism. The cast iron housing provides durability for light to medium-duty applications such as conveyors and fans.
MODEL UCFLU-3/4
$85.56 Each
Prices are subject to change
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Returnable:No
A (in)
1.1563
A0
1.4688 in
A1
0.5938 in
A2
0.7500 in
B (in)
1.2205
Bearing Number
A-UC204-012D1
Bearing number
A-UC204-012D1
Bearing Type
Ball Bearing
d (in)
3/4
Dynamic Load Rating
2880 lbf
Dynamic load rating
2880 lbf
End Type
Open
End type
Open
F (in)
0.1850
Finish/Coating
Black oxide
H (in)
4.4375
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FLU204D1V50
I.D.
0.75 in
J (in)
3.5313
L (in)
2.4063
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
6700 RPM
Max Tightening Torque
34 lb·in
N (in)
0.4219
O.D.
1.8504 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.5000 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
1500 lbf
Static load rating
1500 lbf
Type
2-Bolt Rhombus Flanged Unit
Width
1.2205 in
Technical Specifications
Type | 2-Bolt Rhombus Flanged Unit |
|---|---|
Bearing Type | Ball Bearing |
Locking Device | Set Screw |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Bearing Number | A-UC204-012D1 |
Housing Number | FLU204D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 2880 lbf12800 N12.80 kN |
Static Load Rating | 1500 lbf6650 N6.65 kN |
Max Tightening Torque | 34 lb·in |
Rotational Speed [Max] | 6700 RPM |
Weight | 5.093 lb2.310 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.75 in19.050 mm |
|---|---|
H | 4.4375 in112.7 mm |
L | 2.4063 in61.1 mm |
J | 3.5313 in89.7 mm |
A | 1.1563 in29.4 mm |
A0 | 1.4688 in37.300 mm |
A1 | 0.5938 in15.1 mm |
A2 | 0.7500 in19.1 mm |
N | 0.4219 in10.7 mm |
B | 1.2205 in31.000 mm |
S | 0.5000 in12.700 mm |
F | 0.1850 in4.700 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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