UCFL309-28 1-3/4 in sealed ball bearing single unit, heavy-duty set-screw locked insert in 2-bolt cast iron flange housing FL309, wide inner ring, 1/8-27 NPT lube fitting, contact seal with slinger, 7/8 in bolt size

1-3/4 in sealed ball bearing, single unit, 2-bolt flange
✔️ Heavy-duty set-screw lock, wide inner ring, 1/8-27 NPT lube fitting

This UCFL309-28 is a sealed ball bearing mounted in a 2-bolt cast iron flange (FL309). It’s built for heavy-duty shaft support in conveyors, motors, agricultural equipment and HVAC systems.

✅ Model: UCFL309-28 (FL309 2-bolt flange)
✅ Bore (I.D.): 1-3/4 in
✅ Inner ring: wide; insert type: ball bearing, bearing steel
✅ Locking: set screw; bolt size: 7/8 in
✅ Housing: cast iron; covers: none; duty: heavy
✅ Seal: contact seal with slinger; expansion: no
✅ Lubrication: 1/8-27 NPT fitting; relubrication: yes
✅ Temp rating: up to 212 F; application: general-purpose shaft support

💡 What is a 2-bolt flange sealed ball bearing used for? A 2-bolt flange sealed ball bearing is a handy mounted bearing that supports rotating shafts while keeping contaminants out and easing installation. - Quick, secure mounting for conveyors, motors, pumps, and gearboxes - Sealed ball bearing design and slinger help protect against dust and light contamination - Set-screw locking plus 1/8-27 NPT grease fitting make relubrication and routine maintenance easy - Common choice for general-purpose industrial, agricultural, and HVAC applications