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NTN UCP309-111D1 is a 2-bolt cast-iron pillow block mounted unit with a set screw locking insert. The bore measures 1-11/16 in (42.9 mm). This pre-lubricated ball bearing unit is designed for general industrial conveyor and machinery applications requiring reliable radial load support.
MODEL UCP309-111D1
$227.07 Each
Prices are subject to change
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Returnable:No
I.D.
1.6875 in
O.D.
3.937 in
Width
2.2441 in
Technical Specifications
| Type | Pillow Block Unit |
|---|---|
| Bearing Type | Ball Bearing |
| Locking Device | Set Screw |
| Seal Type | Contact |
| Seal Material | Nitrile Rubber |
| Bearing Number | UC309-111D1 |
| Housing Number | P309D1 |
| Housing Material | Cast Iron |
| Housing Construction | 1 Piece |
| Performance | Heavy Duty |
| End Type | Open |
| Dynamic Load Rating | 11900 lbf53000 N53.00 kN |
| Static Load Rating | 7200 lbf32000 N32.00 kN |
| Rotational Speed [Max] | 3100 RPM |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
|
| |
| d | 1.6875 in42.863 mm |
|---|---|
| J | 7.4687 in190.0 mm |
| L | 9.6562 in245.0 mm |
| A | 2.6250 in67.0 mm |
| H | 2.6406 in67.0 mm |
| H1 | 0.9375 in24.0 mm |
| H2 | 5.0937 in129.0 mm |
| L1 | 2.5625 in65.0 mm |
| N | 0.7812 in20.0 mm |
| N1 | 1.1875 in30.0 mm |
| B | 2.2441 in57.000 mm |
| S | 0.8661 in22.000 mm |
| F | 0.2913 in7.400 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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