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NTN UCP311D1 is a 2-bolt cast-iron pillow block bearing with a 55 mm bore and set screw locking. The insert is a standard UC-series ball bearing unit, pre-lubricated for general industrial applications such as conveyors, fans, and light-duty machinery.
MODEL UCP311D1
$327.05 Each
Prices are subject to change
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Returnable:No
Technical Specifications
| Type | Pillow Block Unit |
|---|---|
| Bearing Type | Ball Bearing |
| Locking Device | Set Screw |
| Seal Type | Contact |
| Seal Material | Nitrile Rubber |
| Bearing Number | UC311D1 |
| Housing Number | P311D1 |
| Housing Material | Cast Iron |
| Housing Construction | 1 Piece |
| Performance | Heavy Duty |
| End Type | Open |
| Dynamic Load Rating | 16100 lbf71500 N71.50 kN |
| Static Load Rating | 10100 lbf45000 N45.00 kN |
| Rotational Speed [Max] | 2600 RPM |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 2.1654 in55.000 mm |
|---|---|
| J | 9.2812 in236.0 mm |
| L | 12.2187 in310.0 mm |
| A | 3.1562 in80.0 mm |
| H | 3.1562 in80.0 mm |
| H1 | 1.1875 in30.0 mm |
| H2 | 6.0625 in154.0 mm |
| L1 | 3.3437 in85.0 mm |
| N | 0.7812 in20.0 mm |
| N1 | 1.5000 in38.0 mm |
| B | 2.5984 in66.000 mm |
| S | 0.9843 in25.000 mm |
| F | 0.3346 in8.500 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.
| Brand | NTN Bearing |
| Model | AS207-104D1 |