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NTN UCFS309D1 is a 4-bolt stamped-steel flange mounted unit with a 45 mm bore. The insert is a set-screw locking ball bearing, pre-lubricated for general industrial conveyor and light-duty machinery applications.
MODEL UCFS309D1
$229.50 Each
Prices are subject to change
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Returnable:No
I.D.
45 mm
O.D.
100 mm
Width
57 mm
Specifications
| Mounted Unit Data Sheet | ||
|---|---|---|
| Flanged Cartridge Unit Cast Housing Set Screw Type | ||
| NTN Part Number | UCFS309D1 | |
| Bearing Insert # | UC309D1 | |
| Housing # | FS309D1 | |
| 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 | 1.7717 (in) 6.2992 (in) 4.9213 (in) 0.5512 (in) 0.7480 (in) 0.4331 (in) 0.7087 (in) 1.2992 (in) 4.9213 (in) 1.9291 (in) 2.2441 (in) 0.8661 (in) 0.1181 (in) 2.7165 (in) | 45.000 (mm) 160.000 (mm) 125.000 (mm) 14.000 (mm) 19.000 (mm) 11.000 (mm) 18.000 (mm) 33.000 (mm) 125.000 (mm) 49.000 (mm) 57.000 (mm) 22.000 (mm) 3.000 (mm) 69.000 (mm) | Bearing Insert Size Suffix | UC 3 D1 | Wide inner ring, set screw type, with flinger Heavy 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.
