UCST209-28NP Set Screw Single-Row Sealed Ball Bearing, Nickel-Plated Cast Iron Housing, Wide Slot Take-Up, Contact Seal with Slinger, 1.75 in (44.45 mm) ID, Relubricatable, Single Unit

Single sealed set-screw ball bearing 1.75 in (44.45 mm)
✔️ Nickel-plated cast iron housing; contact seal; relubricate OK

This single sealed set-screw ball bearing (UCST209-28NP) is a standard-duty wide-slot take-up unit used to support shafts in conveyors, motors, gearboxes and linear slide units. ID: 1.75 in (44.45 mm); single bearing pack.

✅ Part number: UCST209-28NP; single bearing, pack of 1
✅ I.D.: 1.75 in (44.45 mm); insert material: bearing steel; ball bearing insert
✅ Housing: nickel-plated cast iron; wide slot take-up application; single-row design
✅ Locking: set screw; Relubrication: yes; Weight: 5.120 lb (2.32 kg)
✅ Seal: contact seal with slinger; seal type for moderate contamination protection
✅ Temp rating: up to 212°F (100°C); HTS code: 8483.20.40.40

💡 What is a wide-slot set-screw sealed ball bearing used for in industrial shaft support and drive systems? They keep shafts aligned and protected while allowing easy positional adjustment. - Commonly used to support rotating shafts in conveyors, gearboxes and linear slide units where a sealed ball bearing reduces maintenance. - Preferred when a set-screw lock and wide-slot take-up are needed for quick shaft positioning and alignment during installs. - Offers contamination resistance for dusty or damp environments; consider ceramic ball options for higher corrosion resistance.