25mm narrow 4-bolt flange unit single set-screw locking black polymer housing sealed ball bearing contact seal relubricatable steel insert compact design for conveyor linear slide systems

25mm narrow 4-bolt flange unit with set-screw lock
✔️ set-screw lock, black polymer housing, sealed ball bearing

This is a single sealed 25mm 4-bolt flange bearing unit with set-screw locking, ideal for conveyor shafts, linear slide units, and general-purpose industrial shafts.

✅ 25mm internal diameter, narrow profile flange unit
✅ 4-bolt polymer housing in black, compact design
✅ Ball bearing insert, bearing-steel construction
✅ Set-screw locking collar for secure shaft mounting
✅ Contact seals with relubrication option for longer life
✅ Standard duty, rated to 212°F for routine industrial use

💡 What is a 4-bolt flange bearing unit used for in conveyor and linear slide systems? It supports rotating shafts, keeps alignment, and simplifies mounting. - Provides sealed ball bearing support for short shaft spans and linear slide units - Uses set-screw locking to secure shafts quickly without extra adapters - 4-bolt flange gives a stable mounting footprint for conveyor frames and machinery - Black polymer housing resists corrosion and eases maintenance