SKF UCF 208 Flanged Bearing Unit 40 mm

Reliable Four Bolt Flanged Bearing Unit for Industrial Shaft Support

The SKF UCF 208 flanged bearing unit is a heavy duty mounted bearing assembly designed for reliable shaft support in demanding industrial environments. Combining a precision insert bearing with a robust square cast iron flange housing, this unit simplifies installation while providing accurate shaft positioning, long service life and dependable performance. The 40 mm bore makes it suitable for conveyors, agricultural equipment, packaging machinery, production systems and general mechanical engineering where easy replacement and maintenance are essential.

Application in Industrial Systems

SKF UCF 208 bearing units are widely used wherever rotating shafts require secure flange mounting and easy servicing.

Typical applications include:

• Conveyor systems
• Industrial production lines
• Agricultural machinery
• Material handling equipment
• Food processing machinery
• Packaging machines
• Woodworking equipment
• Textile machinery
• Industrial fans
• Machine tools
• Belt driven equipment
• OEM machine construction

The combination of a flanged bearing unit, mounted bearing, insert bearing, Y-bearing, square flange housing, cast iron housing, bearing housing and relubricatable bearing unit provides dependable operation in demanding industrial environments.

Construction and Design

SKF UCF 208 consists of a precision UC insert bearing installed inside a high strength cast iron square flange housing.

The bearing incorporates:

• Four bolt square flange housing
• Cylindrical 40 mm bore
• Wide inner ring
• Set screw shaft locking
• Double contact seals
• Protective flingers
• Relubrication capability
• Grease fitting
• Relubrication hole
• Precision machined housing seat

This design minimizes installation time while maintaining shaft alignment and reliable bearing retention under continuous radial loads.

Material Properties

The housing is manufactured from durable cast iron providing excellent rigidity, vibration damping and dimensional stability.

The insert bearing is produced from high quality bearing steel with precision raceways and hardened rolling elements for extended operating life.

The integrated contact seals help retain lubricant while reducing contamination from dust, moisture and industrial debris.

Technical Specification

Type: Four bolt flanged bearing unit
Brand: SKF
Series: UCF 208
Bearing Insert: UC208
Housing Type: Square flange housing
Material: Cast iron housing with bearing steel insert bearing
Design: Mounted bearing unit with set screw locking and double contact seals
Shaft Diameter: 40 mm
Overall Housing Width (L): 130 mm
Housing Width (A): 35.5 mm
Overall Unit Width: 51.1 mm
Bearing Width: 49.2 mm
Bolt Hole Center Distance (J): 102 mm
Bolt Hole Diameter (N): 16 mm
Number of Mounting Holes: 4
Lubrication: Grease lubricated, relubricatable
Grease Fitting: Yes
Relubrication Hole: Yes
Sealing: Double contact seals with flingers
Locking Method: Set screws
Housing Material: Cast iron
Bearing Material: Bearing steel
Dynamic Load Rating: 32.5 kN
Static Load Rating: 20 kN
Limiting Speed: 3750 rpm
Weight: Approximately 1.8 kg
Application: Industrial machinery, conveyors, agricultural equipment, production lines, OEM machinery, maintenance and replacement installations.

Why B2B Customers Choose This Product

Industrial maintenance departments and OEM manufacturers choose SKF UCF 208 because it combines proven bearing technology with rapid installation.

Ideal for:

• OEM replacement
• Preventive maintenance stock
• Industrial service operations
• Production line support
• Fleet maintenance
• Machine rebuilding
• Distribution warehouses
• MRO purchasing departments

Its standardized dimensions also simplify replacement of compatible UCF208 bearing units across multiple industrial sectors.

Operational Advantages

• Quick four bolt installation
• High quality SKF bearing technology
• Excellent shaft support
• Reliable sealing against contamination
• Easy relubrication during maintenance
• Reduced machine downtime
• Long operational service life
• Suitable for continuous industrial operation
• High structural rigidity
• Easy replacement of worn bearing units

Professional Industrial Supply

SKF UCF 208 is supplied for professional industrial users including:

• Maintenance departments
• Industrial workshops
• Agricultural machinery service companies
• OEM manufacturers
• Machine builders
• Automation integrators
• Engineering contractors
• Industrial distributors
• Spare parts warehouses
• Production facilities

AI OVERVIEW

A SKF UCF 208 flanged bearing unit is a complete mounted bearing assembly consisting of a precision insert bearing and a square cast iron housing with a 40 mm bore, designed to provide reliable shaft support, simplified installation, long service life and efficient maintenance in industrial machinery, conveyors, agricultural equipment and OEM manufacturing systems.

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FAQ

What shaft size fits SKF UCF 208?

SKF UCF 208 is designed for shafts with a diameter of 40 mm.

Can the bearing be relubricated?

Yes. The unit includes both a grease fitting and relubrication hole for scheduled maintenance.

Is this bearing unit suitable for agricultural machinery?

Yes. Its cast iron housing and contact seals make it suitable for many agricultural and outdoor industrial applications.

Does the unit include the insert bearing?

Yes. SKF UCF 208 is supplied as a complete bearing unit with both housing and insert bearing.

Which mounting configuration does it use?

It uses a four bolt square flange mounting arrangement for secure installation.

Summary

SKF UCF 208 is a professional four bolt flanged bearing unit engineered for dependable industrial shaft support. The combination of a precision insert bearing, durable cast iron housing, effective sealing system and relubrication capability makes it an excellent solution for OEM production, maintenance departments, industrial service companies and machine rebuilding projects. Available from warehouse stock with fast order processing for industrial customers requiring reliable bearing solutions.