3-1/2 in (88.9 mm) Round Cartridge Sealed Ball Bearing, Heavy Cast Iron Housing, Set-Screw Locking, Contact Seal with Slinger, Relubrication Port, UCC318-56 Single Bearing Unit

3-1/2 in (88.9 mm) sealed round ball bearing, single unit
✔️ Heavy cast iron housing, contact seal with slinger, relubrication port

This single 3-1/2 in (88.9 mm) sealed round cartridge bearing features a cast iron housing and set-screw locking, ideal for conveyor shafts, mounted assemblies, and industrial drives.

✅ Insert: Ball bearing, bearing steel insert
✅ I.D.: 3-1/2 in (88.9 mm); housing: cast iron
✅ Locking: Set-screw; relubrication: yes; seal: contact seal with slinger
✅ Temp rating: up to 212°F (100°C); application: general-purpose cartridge for mounted shafts

💡 What is a cartridge mounted sealed ball bearing used for? A handy option for supported shafts that need a sealed, easy-to-replace bearing. - Common applications: conveyor systems, agricultural machinery, and industrial mounted shaft assemblies. - Replacement use: drop-in sealed ball bearing for pillow block or linear slide unit swaps and upgrades. - Service benefits: dust protection, relubrication access, and a durable sealed ball bearing for reduced maintenance.