UCC311 55mm Round Cartridge Ball Bearing with Cast Iron C311 Housing, Heavy Duty Set-Screw Lock, Wide Inner Ring, Contact Seal with Slinger, 1/8-27 NPT Grease Fitting, Single Unit

55mm UCC311 Round Cartridge Ball Bearing, Single Unit
✔️ 55mm ID, cast iron C311 housing, set screw lock, 1/8-27 NPT fitting

This single UCC311 round cartridge sealed ball bearing sits in a cast iron C311 housing for heavy general purpose shaft support. Typical uses include conveyors, motors, agricultural drives, and pillow block replacements where a relubricatable sealed unit is handy.

✅ Model UCC311 cartridge, 55mm I.D., wide inner ring
✅ Cast iron C311 housing for heavy duty applications
✅ Ball bearing insert, bearing steel, set-screw locking
✅ Contact seal with slinger for contamination control
✅ Lubrication fitting 1/8-27 NPT for relubrication service
✅ Fits general purpose shafts, pillow block or linear slide unit setups

💡 What is a sealed ball bearing cartridge used for in heavy duty industrial shaft support? A sealed cartridge bearing supports shafts while keeping out dirt and letting you relube when needed. Handy for maintenance teams who want a compact, serviceable support unit. - Provides reliable aligned shaft support for conveyors, fans, and gearboxes using sealed ball bearing cartridges - Enables relubrication through a 1/8-27 NPT fitting while the contact seal and slinger reduce contamination - Ideal for replacing pillow block bearings or integrating into linear slide unit and machinery frames