Bearings
Housed & Flanged Bearings
4 Bolt Flanged Bearings
Quick Code: BB-378171
UCF311 FK 4 Bolt Square Flanged Bearing with 55mm Bearing Insert
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Product Specification
Bore Size (d)
55mm
Brand
FK
Hole Centre (J)
140mm
Overall Length (L)
175x175mm
Overall Unit Width
71mm
Quick Order Code
BB-378171
Product Description
The UCF311 FK 4 Bolt Square Flanged Bearing is a high-performance, versatile bearing unit designed for reliable industrial and mechanical applications. This normal duty bearing provides robust support and precision mounting for a wide range of machinery.
Key Features:
- UCF series 4-bolt square flanged bearing unit
- Cast iron housing with integrated grease nipple for easy re-lubrication
- Precision 55mm bearing insert with two grub screws for secure shaft attachment
- Modular design allows for cost-effective insert replacement
- Removable insert can be replaced separately when worn
Technical Specifications:
- Bore Size: 55mm
- Brand: FK
- Hole Centre: 140mm
- Overall Dimensions: 175 x 175mm
- Unit Width: 71mm
Typical Applications:
- Conveyor systems
- Agricultural machinery
- Material handling equipment
- Industrial manufacturing machinery
- Automotive and transportation equipment
The two integrated grub screws ensure precise and secure attachment to the shaft, providing reliable performance in challenging environments. The removable bearing insert offers convenient maintenance, allowing for quick and cost-effective replacement when necessary.

