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NTN UCFLU-1.1/4S is an Ultra-Class 2-bolt rhombus flanged unit with a 1-1/4 inch bore and set screw locking mechanism. The cast iron housing provides durability for industrial applications such as conveyors and fans.
MODEL UCFLU-1.1/4S
$106.48 Each
Prices are subject to change
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Returnable:No
A (in)
1.3125
A0
1.6563 in
A1
0.6250 in
A2
0.7813 in
B (in)
1.5000
Bearing Number
A-UC206-104D1
Bearing number
A-UC206-104D1
Bearing Type
Ball Bearing
d (in)
1 1/4
Dynamic Load Rating
4400 lbf
Dynamic load rating
4400 lbf
End Type
Open
End type
Open
F (in)
0.1811
Finish/Coating
Black oxide
H (in)
5.5938
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FLU206D1V50
I.D.
1.25 in
J (in)
4.5938
L (in)
3.2813
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
5900 RPM
Max Tightening Torque
43 lb·in
N (in)
0.4531
O.D.
2.4409 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.6260 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
2540 lbf
Static load rating
2540 lbf
Type
2-Bolt Rhombus Flanged Unit
Width
1.5 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-UC206-104D1 |
Housing Number | FLU206D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 4400 lbf19500 N19.50 kN |
Static Load Rating | 2540 lbf11300 N11.30 kN |
Max Tightening Torque | 43 lb·in |
Rotational Speed [Max] | 5900 RPM |
Weight | 2.138 lb0.970 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.25 in31.750 mm |
H | 5.5938 in142.1 mm |
L | 3.2813 in83.3 mm |
J | 4.5938 in116.7 mm |
A | 1.3125 in33.3 mm |
A0 | 1.6563 in42.100 mm |
A1 | 0.6250 in15.9 mm |
A2 | 0.7813 in19.8 mm |
N | 0.4531 in11.5 mm |
B | 1.5000 in38.100 mm |
S | 0.6260 in15.900 mm |
F | 0.1811 in4.600 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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