PB25 Insert-Type Spherical Bushing Pilloball Bearing - Single Unit, Lubrication Type, High-Carbon Steel, Zinc Chromate Plated, 25 mm Shaft; fits linear slide units, sealed/ceramic alternatives

PB25 Insert Spherical Pillowball Bearing, Single Unit
✔️ Single PB25 insert, 25 mm shaft, 56 mm housing, 31 mm ring width

This PB25 insert-type spherical bushing (pillowball) is a single lubrication-type bearing insert for supporting rotating shafts in linear slide units, pillow blocks, and conveyor assemblies.

✅ Type: Pilloball insert (PB25), lubrication type
✅ Material: High-carbon steel with zinc chromate plating
✅ Enclosure: Open design for re-lubrication and inspection
✅ Shaft diameter: 25 mm
✅ Housing diameter: 56 mm
✅ Inner ring width: 31 mm
✅ Series: PB Metric Series; sold as a single bearing (each), weight 0.860 lb

💡 What is a spherical bushing pillow ball insert used for in linear slide units? They provide self-aligning shaft support and reduced wear where mounts are slightly misaligned. Quick benefits: - Improves shaft alignment and load distribution in linear slide units and pillow block setups - Offers a handy replacement option when sealed ball bearing or ceramic options are not required - Ideal for conveyor idlers, repair kits, and general machinery maintenance