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NTN UCFU-2.3/16 is an Ultra-Class 4-bolt square flanged unit with a 2-3/16 inch bore and set screw locking mechanism. The cast iron housing provides durability for industrial applications such as conveyors, fans, and material handling equipment.
MODEL UCFU-2.3/16
$203.89 Each
Prices are subject to change
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Returnable:No
A (in)
1.9375
A0
2.5313 in
A1
0.8125 in
A2
1.2188 in
B (in)
2.1890
Bearing Number
A-UC211-203D1
Bearing number
A-UC211-203D1
Bearing Type
Ball Bearing
d (in)
2 3/16
Dynamic Load Rating
9800 lbf
Dynamic load rating
9800 lbf
End Type
Open
End type
Open
F (in)
0.2362
Finish/Coating
Black oxide
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FU211D1V50
I.D.
2.1875 in
J (in)
5.1250
L (in)
6.4063
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
2900 RPM
Max Tightening Torque
86 lb·in
N (in)
0.6719
O.D.
3.937 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.8740 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
6550 lbf
Static load rating
6550 lbf
Type
4-Bolt Square Flanged Unit
Width
2.189 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-UC211-203D1 |
| Housing Number | FU211D1V50 |
| Housing Material | Cast Iron |
| Housing Construction | 1 Piece |
| End Type | Open |
| Finish/Coating | Black Oxide |
| Performance | Light Duty |
| Dynamic Load Rating | 9800 lbf43500 N43.50 kN |
| Static Load Rating | 6550 lbf29200 N29.20 kN |
| Max Tightening Torque | 86 lb·in |
| Rotational Speed [Max] | 2900 RPM |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.1875 in55.563 mm |
|---|---|
| L | 6.4063 in162.7 mm |
| J | 5.1250 in130.2 mm |
| A | 1.9375 in49.2 mm |
| A0 | 2.5313 in64.300 mm |
| A1 | 0.8125 in20.6 mm |
| A2 | 1.2188 in31.0 mm |
| N | 0.6719 in17.1 mm |
| B | 2.1890 in55.600 mm |
| S | 0.8740 in22.200 mm |
| F | 0.2362 in6.000 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.
#123336
Brand
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Model
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Brand
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Model
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Brand
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