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NTN UCFA204D1 is a 2-bolt rhombus flanged unit with a cast iron housing and set screw locking. The insert has a 20 mm bore. Designed for light-duty industrial applications such as conveyors and fans.
MODEL UCFA204D1
$110.54 Each
Prices are subject to change
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Returnable:No
A (in)
1.0000
A0
1.3125 in
A1
0.4687 in
A2
0.5937 in
B (in)
1.2205
Bearing Number
UC204D1
Bearing number
UC204D1
Bearing Type
Ball Bearing
d (in)
0.7874
Dynamic Load Rating
2880 lbf
Dynamic load rating
2880 lbf
End Type
Open
End type
Open
F (in)
0.1850
H (in)
3.8437
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FA204D1
I.D.
20 mm
J (in)
3.0625
L (in)
2.3750
L1
1.9687 in
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
Max Rotational Speed
6700 RPM
N (in)
0.3906
N1
1.5625 in
O.D.
47 mm
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
31 mm
Specifications
| Mounted Unit Data Sheet | ||
|---|---|---|
| Flanged Unit Cast Housing Special Type - Set Screw Type | ||
| NTN Part Number | UCFA204D1 | |
| Bearing Insert # | UC204D1 | |
| Housing # | FA204D1 | |
| Dimensions | Features/Options | ||||
|---|---|---|---|---|---|
| Dimension | Imperial | Metric | Option | Code | Description |
| Shaft Diameter H H3 J A2 A1 A N H1 N1 L L1 H2 A3 B S | 0.7874 (in) 3.8583 (in) 3.0709 (in) 0.5906 (in) 0.4724 (in) 1.0039 (in) 0.3937 (in) 1.5748 (in) 2.3622 (in) 1.9685 (in) 1.3110 (in) 1.2205 (in) 0.5000 (in) | 20.000 (mm) 98.000 (mm) 78.000 (mm) 15.000 (mm) 12.000 (mm) 25.500 (mm) 10.000 (mm) 40.000 (mm) 60.000 (mm) 50.000 (mm) 33.300 (mm) 31.000 (mm) 12.700 (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.
