MUCFBL203B
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Overview |
|
| Part Number | MUCFBL203B |
Brand: LILY ![]() |
Interchangeable With: AMI |
| Bearing Part Number | MUC203 |
| Housing Part Number | FBL204 |
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 | MUCFBL200 |
| Housing Color | Black |
| Lubrication Fitting Tap | 1/4-28 UNF |
Dimensions |
|
| Bore Dia | 17 mm |
| Bore Dia Tolerance | -0.0005" to 0" |
| Hole Width | 10.7 mm |
| Flange Length | 62 mm |
| Flange Height | 11.4 mm |
| Housing Height | 25.4 mm |
| Whole Width | 63.5 mm |
| Whole Length | 108 mm |
| Center Height | 42.9 mm |
| Hole Center to Center | 38.1 mm |
| Hole Center to Center 1 | 38.1 mm |
| Hole Center to Center 2 | 38.1 mm |
| Width of Inner Ring | 31 mm |
| Mounting Bolt Size | M10 |
| Distance Between Attachment Bolt Holes | 22.2 mm |
Material |
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| Bearings Material | Stainless Steel |
| Housing Material | Plastic |
Performance |
|
| Temperature Range | -30° to 110 °C |
Properties |
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| RoHS | Compliant |
| REACH | Compliant |
| Lubrication | Required |
| Weight | 0.26 kg |
What does MUCFBL203B mean?
MUCFBL203B is an AMI metric plastic three-bolt flange bracket unit with a stainless steel wide inner ring insert and set screw locking, for a 17 mm shaft. The part number breaks down into 6 segments:
- M
- Stainless steel insert bearing
- UC
- Wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is MUC203
- FBL
- Housing style: plastic three-bolt flange bracket. Housing part number is FBL204
- 2
- 200 series (normal duty)
- 03
- Bore code: 03 = 17 mm
- B
- Housing color: black
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.
Note: Part of AMI's Prime corrosion-resistant series.
Frequently asked questions
What does MUCFBL203B mean?
MUCFBL203B is an AMI metric plastic three-bolt flange bracket unit with a stainless steel wide inner ring insert and set screw locking, for a 17 mm shaft. M = stainless steel insert bearing, UC = wide inner ring ball bearing insert, set screw locking, spherical outer ring. Insert part number is MUC203, FBL = housing style: plastic three-bolt flange bracket. Housing part number is FBL204, 2 = 200 series (normal duty), 03 = bore code: 03 = 17 mm, B = housing color: black.
What is the bore size of MUCFBL203B?
The bore of MUCFBL203B is 17 mm.
Design Features of MUCFBL203B Bearing
MUCFBL203B 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 MUCFBL203B 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 MUCFBL203B 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.





