UCF208-25 4-Bolt Flange Sealed Ball Bearing with Set-Screw Lock, 1-9/16 in (39.69 mm) I.D., Wide Inner Ring, Cast Iron F208 Housing, 1/2 in (12.7 mm) Bolt Size, 1/8-27 NPT Lube Port, Single Unit

UCF208-25 sealed 4-bolt flange ball bearing, single
✔️ 1-9/16 in (39.69 mm) I.D., set-screw lock, F208 housing, 1/8-27 NPT

This single sealed 4-bolt flange ball bearing (UCF208-25) is a general-purpose mounted unit used in conveyor drives, agricultural gear, HVAC fans, and light industrial machinery where easy relubrication and a compact cast iron housing are handy.

✅ Model: UCF208-25
✅ Housing: Cast iron F208, 4-bolt flange
✅ Insert type: Ball bearing, bearing steel
✅ I.D.: 1-9/16 in (39.69 mm)
✅ Inner ring width: Wide
✅ Bolt size: 1/2 in (12.7 mm)
✅ Locking: Set-screw
✅ Lubrication fitting: 1/8-27 NPT (≈3.18 mm)
✅ Relubrication: Yes, grease port
✅ Seal: Contact seal with slinger
✅ Temp rating: up to 212°F (100°C)
✅ HTS code: 8483.20.40.40
✅ Weight: 4.200 lb (≈1.91 kg)

💡 What is a sealed 4-bolt flange ball bearing used for in conveyor and drive systems? A sealed 4-bolt flange ball bearing provides shaft support and keeps contaminants out while allowing grease access for maintenance. - Mounted support for conveyor shafts, sprockets, pulleys and other rotating assemblies using a sealed ball bearing for reliable operation - Handy choice for light to medium duty motors, gearboxes and pillow block style mounts needing periodic relubrication - Works well in linear slide unit setups and compact drive applications where a cast iron F208 housing and set-screw lock are preferred