UCFS320-63 Heavy Set Screw 4-Bolt Piloted Flange 3-15/16 in I.D. Heavy-Duty Cast Iron Housing Ball Insert Set-Screw Lock Relubrication Contact Seal with Slinger Single Unit

UCFS320-63 piloted 4-bolt flange bearing, single unit
✔️ 3-15/16 in I.D., cast iron housing, ball insert, set-screw lock

This heavy-duty UCFS320-63 piloted 4-bolt flange bearing is a single bearing unit designed for industrial use in conveyors, agricultural equipment, HVAC shafts, and transport hardware. It drops in for maintenance or OEM replacement with easy set-screw mounting.

✅ Model: UCFS320-63, SKU 1342, single unit, weight 67.200 lb each
✅ I.D.: 3 15/16 in (3-15/16 in) precision bore, piloted flange
✅ Housing: cast iron, heavy duty, designed for high-load service
✅ Insert: ball bearing, bearing steel insert, relubrication ready
✅ Locking: set-screw type for quick secure mounting under vibration
✅ Seal: contact seal with slinger for dust exclusion; max temp 212f
✅ HTS code: 8483.20.40.40; duty rating: heavy, expansion: no

💡 What is a piloted 4-bolt flange bearing used for in conveyor and agricultural equipment?

A piloted 4-bolt flange bearing supports a rotating shaft in a fixed, repeatable mount and is handy for heavy machinery and material handling. It offers easy installation and reliable shaft alignment.

- Provides rigid shaft support for conveyor rollers, trailer axles, and PTO-driven farm gear with sealed ball bearing options for longer life - Useful in machinery where relubrication points and set-screw locking speed maintenance, and can interface with linear slide unit setups for guided motion - Handles shock and heavy loads; can be paired with ceramic elements or sealed ball bearing replacements for special environments