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NTN UELFU-1.7/8 ULK 4-bolt square flanged unit with a 1-7/8 in (47.6 mm) bore, eccentric collar locking mechanism, and cast iron housing. Designed for heavy-duty industrial applications requiring secure shaft mounting and easy installation.
MODEL UELFU-1.7/8
$174.75 Each
Prices are subject to change
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A (in)
1.8125
A0
2.6094 in
A1
0.7813 in
A2
1.1094 in
B1
2.4685 in
Bearing Number
A-UEL210-114D1
Bearing number
A-UEL210-114D1
Bearing Type
Ball Bearing
d (in)
1-7/8
Dynamic Load Rating
7850 lbf
Dynamic load rating
7850 lbf
End Type
Open
End type
Open
F (in)
0.2323
Finish/Coating
Black oxide
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FU210D1V50
I.D.
1.875 in
J (in)
4.3750
L (in)
5.6563
Locking Device
Eccentric Locking Collar
Locking device
Eccentric locking collar
Lubrication
Relubricatable
Max Rotational Speed
3100 RPM
Max Tightening Torque
138 lb·in
N (in)
0.6719
O.D.
3.5433 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
0.9685 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
5200 lbf
Static load rating
5200 lbf
Type
4-Bolt Square Flanged Unit
Width
2.4685 in
Technical Specifications
Type | 4-Bolt Square Flanged Unit |
Bearing Type | Ball Bearing |
Locking Device | Eccentric Locking Collar |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Bearing Number | A-UEL210-114D1 |
Housing Number | FU210D1V50 |
Housing Material | Cast Iron |
Housing Construction | 1 Piece |
End Type | Open |
Finish/Coating | Black Oxide |
Performance | Light Duty |
Dynamic Load Rating | 7850 lbf35000 N35.00 kN |
Static Load Rating | 5200 lbf23200 N23.20 kN |
Max Tightening Torque | 138 lb·in |
Rotational Speed [Max] | 3100 RPM |
Weight | 6.812 lb3.090 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 1.875 in47.625 mm |
L | 5.6563 in143.7 mm |
J | 4.3750 in111.1 mm |
A | 1.8125 in46.0 mm |
A0 | 2.6094 in66.300 mm |
A1 | 0.7813 in19.8 mm |
A2 | 1.1094 in28.2 mm |
N | 0.6719 in17.1 mm |
B1 | 2.4685 in62.700 mm |
S | 0.9685 in24.600 mm |
F | 0.2323 in5.900 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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