UC204-12C4HR23 3/4 in Sealed Ball Bearing Insert, Single, for High Temperature 450°F Pillow Block Housings, Silicone Contact Seals, C4 Clearance, Set Screw Locking, Relubricatable, Linear Slide Unit

Sealed ball bearing insert, 3/4 in ID, single unit
✔️ 450°F high-temp, silicone seals, C4 clearance, relube

This sealed ball bearing insert (single unit) is built for high-temperature duty in pillow block housings, shaft supports and linear slide units, ideal where heat and contamination resistance matter.

✅ Type: sealed ball bearing insert for pillow blocks and bearing housings
✅ Inner diameter: 3/4 in ID for standard shaft fits
✅ Material: bearing steel with C4 internal clearance for thermal play
✅ Locking: set screw locking for secure shaft retention
✅ Relubrication: relubricatable design to extend service life
✅ Seals: silicone contact seals with slinger for contamination protection
✅ Temperature: rated to 450°F for high-temp applications

💡 What is a sealed ball bearing insert used for in high-temperature pillow block and linear slide unit applications? Sealed bearing inserts support rotating shafts while keeping contaminants and heat effects under control. - Supports shafts in pillow block housings and linear slide units to improve alignment and load handling - Silicone contact seals and slinger protection keep lubrication in and debris out at elevated temps - C4 internal clearance plus relubrication options accommodate thermal expansion and maintenance needs