UCCJO320-64 Single Unit 4 in Heavy Duty 4-Bolt Flange Housing with Set-Screw Lock, Cast Iron CJO320 Style, Wide Inner Ring Sealed Ball Bearing Insert, 1-1/8 in Bolt Size

Single 4 in 4-Bolt Flange Housing with Set-Screw Lock
✔️ UC320-64 insert, sealed ball bearing, 1-1/8 in bolts, relubricatable

This single bearing 4-bolt flange housing holds a sealed ball bearing insert for heavy-duty shaft support. Ideal for conveyors, industrial drives, and linear slide unit mounts where a cast iron 4-bolt mount is preferred.

✅ Model: UCCJO320-64 insert in CJO320 cast iron housing
✅ Inner diameter: 4 in (bore accepts 4 in insert)
✅ Bolt size: 1-1/8 in bolt holes for secure 4-bolt mounting
✅ Locking: set-screw inner ring locking, wide inner ring design
✅ Insert type: sealed ball bearing, bearing steel insert, relubricatable
✅ Seal: contact seal with slinger, relubrication via 1/8-27 NPT fitting
✅ Duty: heavy duty application; max temp rating 212 F
✅ HTS code: 8483.20.40.40, cast iron housing style CJO320

💡 What is a 4-bolt flange bearing housing used for in industrial machinery? These housings give a handy, stable mount for sealed ball bearing inserts and simplify shaft alignment. - Commonly used to support shafts on conveyors, gearboxes, motors, and linear slide units where a 4-bolt flange is required. - Popular in farming equipment and factory automation when you need cast iron durability, set-screw locking, and relubricatable seals. - Can accept sealed ball bearing inserts or upgraded ceramic hybrid bearings for lower friction and longer life.