UCP204 3/4 in High-Temp (450°F) Pillow Block Insert Single Bearing 12C4HR23, Set-Screw Locking Sealed Ball Insert with Silicone Contact Seals, Cast Iron Housing, Relubricatable

Single 3/4 in high-temp pillow block bearing insert
✔️ 3/4 in I.D., cast iron housing, silicone seals, relube OK

This is a single pillow block bearing with a sealed ball insert rated for 450°F, designed for industrial shafts on conveyors, fans, pumps, and linear slide units. It lets you relubricate while keeping the contact seals in place.

✅ I.D.: 3/4 in insert, designation 12C4HR23
✅ Housing: cast iron, pillow block application
✅ Insert type: sealed ball bearing, bearing steel with C4 clearance
✅ Seal: silicone contact seals with slinger, relubrication allowed
✅ Locking: set screw locking, weight ~1.6 lb each
✅ Temperature rating: high-temp up to 450°F, HTS 8483.20.40.40

💡 What is a pillow block bearing used for in industrial and conveyor systems? A pillow block supports a rotating shaft and keeps the bearing aligned while handling radial loads and some misalignment. - Mounted support for shafts on conveyors, fans, pumps, gearboxes, and linear slide units - Protects sealed ball bearing inserts from dust and high heat, and allows relubrication access - Lets you pick high-temp or ceramic-compatible inserts for extreme conditions, improving uptime