UCNST203C4HR23 narrow slot take-up single bearing insert, 17 mm I.D., C4 clearance, high temperature to 450°F, silicone contact seals, cast iron housing, set-screw locking

UCNST203C4HR23 single take-up bearing insert, 17 mm I.D.
✔️ 17 mm I.D., C4 clearance, high-temp 450°F, silicone seals, set screw

This single bearing insert fits narrow-slot take-up housings for conveyor, roller and linear slide unit applications, providing sealed ball bearing performance in high-temperature environments.

✅ Model: UCNST203C4HR23
✅ Inner diameter: 17 mm
✅ Insert type: single-row ball bearing, C4 clearance
✅ Temperature rating: high-temp to 450°F
✅ Seal: silicone contact seals with slinger
✅ Housing: cast iron narrow slot take-up style
✅ Locking: set-screw retention; relubricatable
✅ Material & codes: bearing steel; HTS 8483.20.40.40

💡 What is a take-up bearing insert used for in conveyor and linear slide unit setups? It helps support shafts, maintain tension, and protect rolling elements under load. Here’s why it’s handy: - Provides sealed ball bearing protection for conveyor belts, roller shafts and linear slide unit guides. - Handles elevated temperatures and radial and axial loads common in pillow block and take-up housings. - Simplifies upkeep with set-screw locking and relubricatable design for longer service life.