70 mm medium wide concentric adapter sealed ball bearing insert for 4-bolt FX16 cast iron flange housing, M18 bolts, 1/8-27 NPT grease fitting, contact seal, relubricatable, single unit UKX16+H2316

Single unit 70 mm concentric adapter with sealed ball bearing
✔️ ID 70 mm, wide inner ring, M18 bolts, 1/8-27 NPT relube

This single 4-bolt FX16 flange bearing insert is a sealed ball bearing concentric adapter used for general-purpose industrial shafts, ideal for conveyors, pumps, fans and machinery. Sold as one unit.

✅ Type: UKX16+H2316 ball bearing insert, concentric adapter
✅ Inner diameter: 70 mm, wide inner ring width
✅ Housing: FX16 4-bolt cast iron flange housing
✅ Bolt size: M18; mounting pattern for standard flange fits
✅ Seal: Contact seal with slinger; relubricatable design
✅ Lubrication: 1/8-27 NPT grease fitting for scheduled relube
✅ Duty & temp: Medium duty, rated to 212°F; no expansion feature
✅ Insert material: bearing steel; insert type: ball bearing; weight ~26.460 lb

💡 What is a flange-mounted concentric adapter used for in industrial machinery? A flange-mounted concentric adapter centers a sealed ball bearing in a 4-bolt flange housing to support rotating shafts and simplify maintenance. - Supports radial shaft loads and keeps shafts aligned using a sealed ball bearing insert for reliable operation - Common choice for pillow block replacements, conveyor drives, linear slide unit mounts and general-purpose machinery - Maintenance-friendly: relubrication via 1/8-27 NPT grease fitting and contact seal with slinger preserves lubricant and extends life