UCF209-28NPMZ2 4-Bolt Flange Bearing - Single UC209 Wide 1-3/4 in (44.45 mm) ID, Zinc-Plated Ball Insert, Set-Screw Locking, Nickel-Plated F209NP Cast Iron Housing, Contact Seal, Relubricatable

Single 4-bolt flange sealed ball bearing, wide insert
✔️ 1-3/4 in (44.45 mm) ID, zinc ball insert, set-screw lock

This is a single 4-bolt flange sealed ball bearing unit for general machinery support, ideal for conveyors, fans, pumps, and agricultural equipment where a relubricatable sealed unit is handy.

✅ Model: UCF209-28NPMZ2 with UC209-28MZ2 insert
✅ Inner diameter: 1-3/4 in (44.45 mm)
✅ Bolt size: 9/16 in (14.29 mm) bolt holes, 4-bolt flange
✅ Housing: Nickel-plated cast iron, style F209NP
✅ Insert: Zinc-plated ball bearing insert, wide inner ring
✅ Locking: Set-screw type for secure shaft locking
✅ Seal: Contact seal with slinger for moderate contamination protection
✅ Lubrication: 1/8-27 NPT lubrication fitting tap, relubricatable
✅ Temp rating: standard duty to 212F (100C); HT not expanded
✅ Weight: 4.260 lb (1.93 kg) each; single unit pack

💡 What is a 4-bolt flange sealed ball bearing used for? A 4-bolt flange sealed ball bearing supports rotating shafts where a compact, relubricatable sealed unit is handy and mounting requires a rigid 4-point flange. Here are common uses and benefits: - Supporting conveyor shafts, blower fans, and pump drives as a sealed ball bearing solution - Re-lubricatable flange mount for industrial and agricultural equipment, pillow block alternatives - Compatible with linear slide unit systems and drives needing sealed bearings and set-screw locking - Good replacement option to ceramic conversions or higher-temp sealed inserts when corrosion resistance and easy maintenance matter