UCF218C4HR23 4-Bolt Flange Unit Single Sealed Ball Bearing 90 mm I.D. High-Temp 450°F Cast Iron Housing C4 Clearance Set-Screw Locking Silicone Contact Seals Relubricatable

90 mm sealed ball bearing 4-bolt flange unit (single)
✔️ High-temp 450°F; C4 clearance; silicone seals; set-screw lock

Single sealed 4-bolt flange bearing unit with a 90 mm bore for industrial shaft support in conveyors, fans, and assembly lines. Suited for high-temp 450°F service and standard flange mounts.

✅ Model UCF218C4HR23, single unit, 90 mm I.D.
✅ Housing: cast iron high-temp flange mount
✅ Insert: bearing steel with C4 internal clearance
✅ Type: sealed ball bearing with silicone contact seals and slinger
✅ Locking: set-screw locking collar; relubrication port yes
✅ Temperature: rated to 450°F for high-temp applications
✅ Mount: 4-bolt flange style for fixed shaft support
✅ Compatible with linear slide unit assemblies and rotating gearboxes

💡 What is a 4-bolt flange sealed ball bearing unit used for? A handy flange-mount bearing that supports and locates rotating shafts in fixed equipment. - Provides reliable sealed ball bearing shaft support for conveyors, pumps, and industrial machinery. - Suited for high-temp 450°F duty with cast iron housing and silicone contact seals; relubricatable for maintenance. - Common drop-in choice for linear slide unit setups, mounted shaft systems, and gearbox interfaces; C4 clearance manages internal play.