How to Choose the Right Bearing: SFL vs. MKFL vs. MUFL
When selecting a square flange bearing, it’s essential to choose the right type to ensure optimal performance, secure mounting, and minimal maintenance for your application. Below is a comparison guide to help you decide whether an SFL, MKFL, or MUFL bearing is the best fit for your needs.
1. Understanding the Differences
| Feature | SFL Bearing | MKFL Bearing | MUFL Bearing |
|---|---|---|---|
| Series | Standard 200 Series | Set screw locking | Eccentric locking collar |
| Mounting Style | Standard fit | Set screw tightening | Eccentric locking mechanism |
| Shaft Grip | Basic support | Strong hold with set screws | Extra-secure grip with eccentric collar |
| Misalignment Tolerance | Self-aligning | Moderate | High |
| Resistance to Slippage | Moderate | High | Very high |
| Best for... | General applications | Medium-duty machinery | High-torque or high-vibration environments |
2. Which Bearing is Right for You?
SFL Bearings – Versatile and Cost-Effective for General Use
- Best for standard industrial applications where precise shaft locking is not required.
- Ideal for conveyors, fans, and general machinery.
- Offers self-aligning capabilities for minor misalignment compensation.
Choose SFL bearings if you need a reliable and budget-friendly flange bearing for moderate loads and general-purpose use.
MKFL Bearings – Set Screw for a Secure Hold
- Designed for medium-duty applications where additional shaft security is needed.
- The set screw mechanism locks onto the shaft, reducing movement and improving stability.
- Suitable for automation, light machinery, and material handling equipment.
Choose MKFL bearings if you need a stronger shaft hold and more secure positioning than a standard SFL bearing.
MUFL Bearings – High-Torque Applications with an Eccentric Locking Collar
- Provides the strongest shaft grip, making it perfect for high-vibration or high-torque environments.
- The eccentric collar minimizes shaft wear and prevents loosening.
- Recommended for agriculture, heavy machinery, and demanding industrial setups.
Choose MUFL bearings if you need maximum shaft security and vibration resistance in demanding conditions.
3. Final Considerations
When choosing between SFL, MKFL, and MUFL bearings, consider:
- Load and Application – Standard loads? Choose SFL. Need more security? Go with MKFL or MUFL.
- Shaft Stability – For moderate security, MKFL is a great choice. For extreme conditions, MUFL is best.
- Maintenance & Lifespan – MUFL bearings offer the longest durability in harsh conditions.
Still unsure which bearing is right for you? Contact us for expert guidance!