45mm 4-Bolt Flange Housing UC209 with Wide Insert and Set-Screw Lock, M14 Bolt Size, Cast Iron F209, Contact Seal, 1/8-27 NPT Lube Port, Single Sealed Ball Bearing Unit

45mm 4-bolt flange housing UC209, single sealed unit
✔️ 45mm ID, wide inner ring, set-screw lock, M14 bolts, lube port

This single 45mm UC209 4-bolt flange housing is a sealed ball bearing flange unit for general machinery mounting, ideal for conveyors, gearboxes, and linear slide unit setups.

✅ Housing: F209 cast iron, 4-bolt flange, UC209 style
✅ Insert: 45mm ID, wide inner ring, bearing steel ball insert
✅ Locking: Set-screw type for easy shaft securing
✅ Bolt size: M14, duty standard, high temp rating to 212F
✅ Seals & lube: Contact seal with slinger, 1/8-27 NPT lube port, relubrication OK
✅ HTS code: 8483.20.40.40, single unit pack, ready replacement

💡 What is a 4-bolt flange bearing housing used for? It gives a compact, mounted sealed ball bearing solution for shaft support across many machines. - Rigid mounting for conveyors, gearboxes, and linear slide unit frames using sealed ball bearing inserts. - Easy shaft locking with set-screw designs and on-site relubrication via 1/8-27 NPT ports. - Fits UC209 replacements and common pillow block sizing for fast swap-outs.