Product Description

Link-Belt FF200 Trough Unit Ball Bearings
Bore range 1 1/2 - 3 7/16 Inch Setscrew locking; Seal configurations: Single lip, Clearance, Triple lip; Ideal solution for screw conveyor applications
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Reliable Performance and ConstructionCrafted from high-strength cast iron and finished with a protective painted surface, these 4-bolt bearing flange units are engineered for longevity and resistance to corrosion. The rubber seal or metal shield ensures dust and water resistance, protecting the ball bearing insert and extending operational life in harsh industrial environments.
Versatile Application and Easy MaintenanceDesigned for easy compatibility, these units are interchangeable with standard 4-bolt flange bearings, supporting bore diameters from 12 mm to 100 mm. Maintenance is streamlined via the grease (Zerk) fitting, allowing for periodic re-lubrication and quick replacement of the bearing insert, keeping machinery running smoothly with minimal interruption.
FAQ's of 4-Bolt Bearing Flange Units:
Q: How do I select the appropriate 4-bolt bearing flange unit for my application?
A: Choose the unit based on your shaft diameter (between 12 mm and 100 mm), estimated load requirements (2 kN to 50 kN), and the environmental conditions, such as temperature range and exposure to dust or moisture. The standardized square flange design allows for straightforward installation and compatibility with existing machinery.
Q: What maintenance is required for these bearing flange units?
A: Periodic lubrication is essential. Use the Zerk grease fitting to re-lubricate the bearing at recommended service intervals to maintain optimal performance and extend the component's lifespan. Check seals and replace the bearing insert if excessive wear or noise occurs.
Q: When should I consider replacing the bearing insert?
A: Replace the bearing insert if you notice increased noise, excessive vibration, or visible signs of wear. Periodic inspections per your maintenance schedule will help identify issues early, minimizing potential downtime.
Q: Where are these 4-bolt bearing flange units typically used?
A: They are widely employed in industrial machinery, conveyors, and other equipment that supports rotating shafts. Their robust construction suits applications demanding durability and resistance to harsh conditions, making them ideal for diverse industrial sectors.
Q: What benefits do the rubber seal or metal shield options provide?
A: Rubber seals offer superior protection against dust, water, and contaminants, enhancing bearing longevity and performance. Metal shields provide robust physical protection against solid particles, making them suitable for environments where mechanical debris is a concern.
Q: How does the unit accommodate misalignment in shafts?
A: The bearing flange accommodates mild shaft misalignment through its self-aligning ball bearing insert, helping to prevent premature wear and maintain smooth rotation even if the shaft isn't perfectly aligned.
Q: What are the advantages of periodic re-lubrication using the Zerk fitting?
A: Regular use of the Zerk fitting for lubrication ensures consistent performance, reduces friction and heat, prevents contamination, and significantly extends the operational life of the bearing and flange unit.