FYH UCF311J

FYH UCF311J 4-Bolt Flange Bearing Unit

Description

The FYH UCF311J is a high-quality 4-bolt square flange bearing unit designed for reliability in a wide range of industrial applications. It combines a cast iron flange housing (F311) with a set screw locking insert bearing (UC311), providing a self-aligning and easy-to-mount solution for rotating shafts. The 55mm bore accommodates standard shafting, and the unit includes a grease fitting for simple maintenance and extended service life.

Specifications

• Manufacturer: FYH
• Model: UCF311J
• Product Type: 4-Bolt Flange Bearing Unit
• Bore Diameter: 55 mm
• Housing Material: Cast Iron
• Locking Type: Set Screw
• Lubrication: Relubricatable via grease nipple

Label Info

• Part Number: UCF311J

Application

This bearing unit is ideal for use in conveyor systems, agricultural machinery, construction equipment, and general industrial machinery where a robust and reliable bearing solution is required.

Country of Origin

This product is manufactured by FYH in Japan.

CO2 Impact

Opting for a remanufactured or surplus item like this UCF311J bearing unit prevents the emission of approximately 8.4 kg of CO2 compared to producing a new one. This saving is equivalent to driving a car for 42 kilometers.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the recommended shaft tolerance for the UCF311J bearing unit?

For general applications, a shaft tolerance of h7 is recommended to ensure a proper fit and optimal performance.

What type of grease is suitable for relubricating this bearing?

A high-quality, lithium-based grease is standard for this type of bearing unit. Always check the application requirements for specific environmental conditions like high temperatures or moisture.

What is the correct tightening torque for the set screws?

For the M10x1.25 set screws typically used in this unit, the recommended tightening torque is approximately 29 N·m. It is crucial to tighten them evenly to prevent shaft damage.

Last Update: Friday, March 13, 2026

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