UCF311
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Overview |
|
| Part Number | UCF311 |
Brand: LILY  |
Interchangeable With: AMI |
| Bearing Part Number | UC311 |
| Housing Part Number | F311 |
Characteristics |
|
| System of Measurement | Metric |
| Bearing Type | Ball Bearing |
| Bearing Seal Type | Double Sealed |
| Inner Ring Type | Wide Inner Ring |
| Mounted Type | Flange Bearing |
| Product Series | UCF300 |
| Lubrication Fitting Tap | 1/8-27 NPT |
Dimensions |
|
| Bore Dia | 55 mm |
| Bore Dia Tolerance | -0.0005" to 0" |
| Hole Width | 23 mm |
| Overall Height | 71 mm |
| Flange Height | 20 mm |
| Housing Height | 52 mm |
| Whole Width | 185 mm |
| Whole Length | 185 mm |
| Hole Center to Center 1 | 140 mm |
| Width of Inner Ring | 66 mm |
| Mounting Bolt Size | M20 |
Material |
|
| Bearings Material | AISI 52100 Steel |
| Housing Material | Iron |
Performance |
|
| Temperature Range | -30° to 110 °C |
Properties |
|
| RoHS | Compliant |
| REACH | Compliant |
| Lubrication | Required |
| Weight | 5.76 kg |
What does UCF311 mean?
UCF311 is an AMI metric iron four-bolt flange unit with a wide inner ring insert and set screw locking, for a 55 mm shaft. The part number breaks down into 4 segments:
- UC
- Wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is UC311
- F
- Housing style: iron four-bolt flange. Housing part number is F311
- 3
- 300 series (heavy duty)
- 11
- Bore code: 11 × 5 = 55 mm
Note: For metric mounted bearings, the bore is usually the bore code × 5 mm. Codes 00, 01, 02 and 03 are the exceptions: 10, 12, 15 and 17 mm.
Frequently asked questions
What does UCF311 mean?
UCF311 is an AMI metric iron four-bolt flange unit with a wide inner ring insert and set screw locking, for a 55 mm shaft. UC = wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is UC311, F = housing style: iron four-bolt flange. Housing part number is F311, 3 = 300 series (heavy duty), 11 = bore code: 11 × 5 = 55 mm.
What is the bore size of UCF311?
The bore of UCF311 is 55 mm.
Design Features of UCF311 Bearing
UCF311 feature an integrated bearing insert and a flanged housing that allows direct mounting onto vertical or side surfaces for precise shaft positioning. The flanged design ensures secure alignment and stable load distribution, even in compact or space-limited installations. Sealed constructions and durable housing materials enhance protection against contaminants and extend service life in industrial environments.
What Benefits Can UCF311 Bearing Provide?
- Compact and Space-Saving Design: The flanged housing allows direct mounting to equipment frames or walls, making it ideal for installations with limited space.
- Accurate Shaft Positioning: The flange structure helps maintain precise axial and radial alignment, improving operational stability and reducing vibration.
- Easy Installation and Secure Mounting: Pre-drilled mounting holes enable quick installation while ensuring firm and reliable fixation.
- Good Load Support Capability: Flange bearings can handle radial loads and moderate axial loads, suitable for a wide range of light to medium-duty applications.
- Low Maintenance and Long Service Life: Sealed designs and robust materials protect against dust and contaminants, minimizing maintenance requirements and extending bearing life.
What Can UCF311 Bearing Be Used for?
- Conveyor and Transfer Systems: They support shafts mounted on vertical or side panels, ensuring accurate alignment in compact conveyor layouts.
- Packaging and Automation Equipment: Widely applied in automated production lines where precise positioning and space efficiency are critical.
- Food and Beverage Processing Machinery: Used in equipment requiring hygienic designs and stable shaft support, often with stainless steel housings.
- Material Handling and Light Industrial Machinery: Suitable for guides, rollers, and auxiliary shafts operating under moderate loads.
- Agricultural and General Machinery: Applied in pumps, fans, and small mechanical systems where reliable, easy-to-mount bearing solutions are required.
