55mm sealed ball bearing insert for 4-bolt flange mounting, concentric adapter UKX12+H2312, FX12 cast iron housing, M16 bolts, wide inner ring, contact seal with slinger, 1/8-27 NPT grease port, medium duty

55mm sealed ball bearing 4-bolt flange insert
✔️ Single unit, 55mm ID, FX12 cast iron housing, M16 bolts

This single 55mm sealed ball bearing flange insert with concentric adapter is built for medium-duty industrial shaft support in conveyors, fans, gearboxes, and other light drives. It’s sold as one replacement unit for quick swap-outs.

✅ Model: UKX12+H2312 insert, FX12 4-bolt flange housing
✅ Inner diameter (I.D.): 55mm; wide inner ring for added stability
✅ Insert type: ball bearing; material: bearing steel for long wear life
✅ Locking: concentric adapter; bolt size: M16 for secure mounting
✅ Seals: contact seal with slinger; relubrication port 1/8-27 NPT for easy maintenance
✅ Housing: cast iron; duty: medium; max temp rating: 212f
✅ Weight: 15.600 lb; HTS code: 8483.20.40.40; ideal sealed ball bearing replacement

💡 What is a flange mounted sealed ball bearing insert used for in industrial conveyor shafts? A flange-mounted sealed ball bearing insert supports rotating shafts, keeps contaminants out, and allows relubrication, making it a handy replacement or upgrade for worn pillow block units. Quick overview: - Supports radial loads and light axial loads while offering sealed ball bearing protection for dusty or wet environments - Easy install with a concentric adapter in FX12 cast iron housing; fits 55mm shafts and M16 bolt patterns - Good option when swapping into linear slide unit setups or replacing older inserts; relubrication port helps extend service life