UC217-52C4HR23 3-1/4 in High-Temperature Mounted Ball Bearing Insert Set 450°F Rated, C4 Clearance, Steel Construction, Silicone Contact Seals, Set-Screw Locking, Relubricatable

3-1/4 in high-temperature mounted ball bearing insert set
✔️ 450°F (232°C), 3-1/4 in (82.55 mm) bore, C4 clearance, silicone seals

This is a single 3-1/4 in mounted ball bearing insert set sold as 1 per pack, rated to 450°F (232°C) and built for heavy-duty use in agricultural, construction, and manufacturing equipment where sealed ball bearing reliability is required.

✅ Part number: UC217-52C4HR23
✅ Bore: 3-1/4 in (82.55 mm)
✅ Temperature rating: 450°F (232°C); high-temp silicone contact seals
✅ Insert material: bearing steel with C4 internal clearance
✅ Insert type: mounted ball bearing insert, set-screw locking, relubricatable
✅ Seal design: silicone contact seals with slinger for contamination control
✅ Application fit: pillow block and linear slide unit compatibility; sealed ball bearing performance

💡 What is a mounted ball bearing insert used for in high-temperature machinery? Mounted ball bearing inserts support rotating shafts inside housings and keep equipment running under heat stress. - Provides shaft support and radial load handling for pumps, conveyors, fans and other systems where sealed ball bearing performance matters. - Makes field service quick with set-screw locking inserts that are easy to replace in pillow block and linear slide unit setups. - Protects bearings from dust and heat with silicone contact seals; ceramic options may be considered for even higher-temp or specialized uses.