UCC318-55 3-7/16 in Heavy Set Screw Round Cartridge Ball Bearing with Cast Iron Housing, Contact Seal and Slinger, Relubricatable Insert for Agricultural, Industrial and Conveyor Use Single bearing

3-7/16 in heavy set-screw cartridge bearing, single unit
✔️ I.D. 3-7/16 in, cast iron housing, contact seal, relubrication

This sealed cartridge ball bearing (model UCC318-55) is a heavy-duty, set-screw mounted round unit sold as one bearing (each). It’s commonly used on conveyor shafts, farm equipment, construction gear, and general industrial machinery.

✅ Model UCC318-55, single bearing cartridge unit
✅ I.D. 3-7/16 in; compatible with standard shaft sizes and linear slide unit setups
✅ Cast iron housing with contact seal and slinger for sealed ball bearing protection
✅ Bearing steel insert, ball bearing type, set screw locking for secure mounting
✅ Relubrication port present; serviceable for extended life and 212°F rating
✅ HTS 8483.20.40.40, approx weight 29.800 lb, sold each (single unit)

💡 What is a cartridge ball bearing used for in conveyor systems and agricultural machinery?

Cartridge ball bearings are handy when you need fast replacement, reliable sealing, and easy shaft mounting.

- Ideal for conveyor shafts, pump drives, and linear slide unit guides where a sealed ball bearing simplifies maintenance.
- Set-screw locking and cast iron housings give solid support for agricultural and construction gear.
- Relubrication-friendly design and contact seals help keep contaminants out and extend service life.