UKF213+HE2313 2-1/4 in (57.15 mm) 4-Bolt Flange Ball Bearing Adapter, Cast Iron F213 Housing with Wide Inner Ring, Concentric Adapter Lock, 5/8 in Bolt Size, Single Unit

2-1/4 in 4-bolt flange ball bearing adapter, single unit
✔️ ID 2-1/4 in (57.15 mm); cast iron F213; 5/8 in bolts; 1/8-27 NPT

This 4-bolt flange mounted ball bearing adapter assembly houses a UK213 wide inner ring insert and is used for industrial shaft support, conveyor rolls, and linear slide units needing a sealed ball bearing with relubrication.

✅ Insert: UK213+HE2313 ball bearing insert, bearing steel
✅ I.D.: 2-1/4 in (57.15 mm); inner ring width: wide
✅ Housing: Cast iron F213, 4-bolt flange, single unit
✅ Bolt size: 5/8 in (15.88 mm); locking: concentric adapter
✅ Lubrication: 1/8-27 NPT grease fitting; relubrication: yes
✅ Seal: contact seal with slinger; temp rating: 212°F (100°C)
✅ Weight: 12.04 lb (5.46 kg); pack: 1 bearing per unit

💡 What is a 4-bolt flange mounted ball bearing adapter used for in industrial shaft support and conveyor systems? A quick overview answer to how these flange adapters help with shaft alignment and maintenance. - Supports rotating shafts and bearings in conveyor, pulley, and roller applications using sealed ball bearing inserts for easier upkeep. - Provides rigid mounting with a cast iron F213 4-bolt flange and concentric adapter lock to keep shafts aligned under load. - Enables relubrication via a 1/8-27 NPT fitting and accepts wide inner ring inserts for greater radial load capacity; handy for shop and plant use.