UKFX20+HE2320 3.5 in (88.9 mm) Wide Inner Ring Adapter with Concentric Locking, Sealed Ball Bearing Insert, 4-Bolt Square Flange Cast Iron Housing FX20 Style, Single Unit

3.5 in (88.9 mm) wide inner-ring flange adapter, single
✔️ Concentric lock, sealed ball insert, 4-bolt square flange, cast iron

This single sealed ball bearing flange adapter combines an HE2320 insert with an FX20 cast iron housing for medium-duty industrial shaft mounting, conveyors, and drive equipment.

✅ Model: UKFX20+HE2320 (adapter with HE2320 sealed ball bearing insert)
✅ Inner diameter: 3.5 in (88.9 mm); inner ring width: Wide
✅ Locking: concentric adapter for easy installation and alignment
✅ Housing style: FX20 4-bolt square flange, cast iron housing
✅ Seal: contact seal with slinger; relubrication friendly via fitting tap
✅ Lubrication fitting: 1/8-27 NPT (1/8 in / 3.18 mm) tap; relubricate: yes
✅ Bolt size: 1 in (25.4 mm); temperature rating up to 212°F (100°C)
✅ HTS code: 8483.20.40.40; weight: 42.560 lb (19.31 kg)

💡 What is a 4-bolt flange adapter with a sealed ball bearing insert used for in industrial shaft mounting?
It’s a handy mounted bearing option that simplifies shaft alignment and protects the bearing in dusty or splash-prone environments.
- Commonly used in conveyor drives, gearboxes, and pump shafts where a sealed ball bearing is preferred
- Works well when a compact flange mount with concentric locking is needed for accurate shaft positioning
- Lowers maintenance time with relubrication ports and contact seals to keep contaminants out