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NTN UCFCX17-307D1 heavy-duty round cartridge mounted bearing unit with 3-7/16 in bore, set screw locking, and cast iron housing. Sealed ball insert for compact piloted mounting in industrial machinery, conveyors, and processing equipment.
MODEL UCFCX17-307D1
$617.43 Each
Prices are subject to change
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Returnable:No
A (in)
2.4062
A0
3.5937 in
A1
1.4062 in
A2
0.3906 in
A3
0.9843 in
B (in)
3.7795
Bearing Number
UCX17-307D1
Bearing number
UCX17-307D1
Bearing Type
Ball Bearing
d (in)
3.4375
Dynamic Load Rating
21600 lbf
Dynamic load rating
21600 lbf
End Type
Open
End type
Open
F (in)
0.3858
H3
7.3228 in
Housing Construction
1 Piece
Housing construction
1 Piece
Housing Material
Cast Iron
Housing material
Cast iron
Housing Number
FCX17D1
I.D.
3.4375 in
J (in)
8.6250
J1
6.0937 in
L (in)
10.2500
Locking Device
Set Screw
Locking device
Set screw
Lubrication
Relubricatable
N (in)
0.9062
O.D.
6.2992 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Performance
Medium duty
S
1.5630 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Static Load Rating
16100 lbf
Static load rating
16100 lbf
Type
4-Bolt Round Flanged Unit
Width
3.7795 in
Specifications
| Mounted Unit Data Sheet | ||
|---|---|---|
| Flanged Cartridge Unit Cast Housing Set Screw Type | ||
| NTN Part Number | UCFCX17-307D1 | |
| Bearing Insert # | UCX17-307D1 | |
| Housing # | FCX17D1 | |
| Weight | N/A (lbs) / N/A (kg) | |
| Dimensions | Features/Options | ||||
|---|---|---|---|---|---|
| Dimension | Imperial | Metric | Option | Code | Description |
| Shaft Diameter L H J1 J I N A1 A2 A H1 L3 A3 B S t max A4 A5 |
3.4375 (in) 10.2500 (in) 8.6250 (in) 6.0938 (in) 0.3906 (in) 0.9063 (in) 0.9844 (in) 0.7500 (in) 1.4063 (in) 7.3228 (in) 2.6094 (in) 3.7795 (in) 1.5630 (in) |
87.313 (mm) 260.350 (mm) 219.075 (mm) 154.781 (mm) 9.922 (mm) 23.019 (mm) 25.003 (mm) 19.050 (mm) 35.719 (mm) 185.999 (mm) 66.278 (mm) 95.999 (mm) 39.700 (mm) |
Bearing Insert Size Suffix |
UC X D1 |
Wide inner ring, set screw type, with flinger Medium 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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