UCX12-39 2-7/16 in Wide Inner Ring Medium Duty Set-Screw Ball Bearing Insert, Contact Seal with Slinger, Spherical OD, Relubricatable, Single Unit, 12900 dynamic / 9000 static lbf

UCX12-39 single medium-duty 2-7/16 in bearing
✔️ Contact seal with slinger, set-screw lock, relubricatable

This UCX12-39 medium-duty wide inner ring set-screw ball bearing insert is a sealed ball bearing designed for industrial shafts and housings. It’s typically used in conveyor systems, agricultural gearboxes, and pillow block housings where a single bearing unit is needed and a sealed insert is handy.

✅ Model: UCX12-39, single bearing unit
✅ I.D.: 2-7/16 in, inner ring width: Wide
✅ Insert type: Ball bearing, material: bearing steel
✅ Locking: Set-screw; O.D. style: Spherical
✅ Seal: Contact seal with slinger; relubrication port: Yes
✅ Load ratings: Dynamic 12900 lbf, Static 9000 lbf
✅ Duty: Medium; max temp: 212 F; HTS: 8483.20.40.40
✅ Net weight ~4.2 lb; ships as a single piece pack

💡 What is a set-screw ball bearing insert used for in industrial pillow block setups? A set-screw ball bearing insert provides a simple, sealed mounting option for rotating shafts that makes maintenance and replacement fast and low-effort. It’s a handy choice when you need a sealed ball bearing that can be dropped into a housing or pillow block without shims or complex alignment. Short intro: Key practical benefits for shop and field use: - Easy replacement and serviceability for pillow block housings and conveyor mounts - Works well as a sealed ball bearing insert in light to medium-duty drives and gearboxes - Fits applications that may use a linear slide unit or shaft-mounted assemblies and need relubrication access - Set-screw lock keeps the shaft secure while allowing quick swaps without special press tools