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NTN UCFL212-204D1 is a 2-bolt cast-iron oval flange mounted unit with a 2-1/4 in (57.15 mm) bore. Features a set screw locking mechanism and a pre-lubricated ball bearing insert. Designed for general industrial applications such as conveyors, fans, and light-duty machinery.
MODEL UCFL212-204D1
$161.31 Each
Prices are subject to change
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A (in)
1.8750
A0
2.7031 in
A1
0.7187 in
A2
1.1406 in
B (in)
2.5630
Bearing Number
UC212-204D1
Bearing number
UC212-204D1
Bearing Type
Ball Bearing
d (in)
2.2500
Dynamic Load Rating
11800 lbf
Dynamic load rating
11800 lbf
End Type
Open
End type
Open
F (in)
0.2441
H (in)
9.8437
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FL212D1
I.D.
2.25 in
J (in)
7.9531
L (in)
5.5000
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
2500 RPM
N (in)
0.9062
O.D.
4.3307 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Light Duty
S
1.0000 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
8100 lbf
Static load rating
8100 lbf
Type
2-Bolt Rhombus Flanged Unit
Width
2.563 in
Specifications
| Mounted Unit Data Sheet | ||
|---|---|---|
| Flanged Unit Cast Housing Set Screw Type | ||
| NTN Part Number | UCFL212-204D1 | |
| Bearing Insert # | UC212-204D1 | |
| Housing # | FL212D1 | |
| Weight | N/A (lbs) / N/A (kg) | |
| Dimensions | Features/Options | ||||
|---|---|---|---|---|---|
| Dimension | Imperial | Metric | Option | Code | Description |
|
Shaft Diameter H Bolt Size D j L H1 c J A2 A1 A N A3 B S t max A4 A5 L1 L2 |
2.2500 (in) 9.8438 (in) 5.5000 (in) 7.9531 (in) 1.1406 (in) 0.7188 (in) 1.8750 (in) 0.9063 (in) 2.7031 (in) 2.5630 (in) 1.0000 (in) 0.1563 (in) 3.1563 (in) 3.3750 (in) 5.6563 (in) 2.7500 (in) |
57.150 (mm) 250.031 (mm) 139.700 (mm) 202.009 (mm) 28.972 (mm) 18.256 (mm) 47.625 (mm) 23.019 (mm) 68.659 (mm) 65.100 (mm) 25.400 (mm) 3.969 (mm) 80.169 (mm) 85.725 (mm) 143.669 (mm) 69.850 (mm) |
Bearing Insert Size Suffix |
UC 2 D1 |
Wide inner ring, set screw type, with flinger Light Relube Type |
| Basic Load Ratings | Limiting Speeds | ||||
|---|---|---|---|---|---|
| Static Dynamic |
0 (N) 0 (N) |
0 (N) 0 (N) |
Oil Seals Grease |
N/A N/A N/A |
|
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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