PB20 Spherical Pilloball Insert Bearing, Lubrication Type, High Carbon Steel, Zinc Chromate Plated, Open Enclosure, 20 mm Shaft, 46 mm Housing Dia, 25 mm Inner Ring Width, Single Unit, Metric model

PB20 spherical pilloball insert bearing single unit
✔️ 20 mm shaft, 46 mm housing dia, 25 mm inner ring width, zinc chromate

This PB20 pilloball insert is a lubrication-type spherical bushing made from high carbon steel with a zinc chromate plated finish. It fits PB metric housings and supports rotating shafts in conveyor systems, machine tools, and linear slide unit setups. Single bearing per pack.

✅ Type: Pilloball insert, lubrication type
✅ Material: High carbon steel, zinc chromate plated
✅ Enclosure: Open for easy inspection and relubrication
✅ Shaft diameter: 20 mm
✅ Housing diameter: 46 mm; inner ring width: 25 mm
✅ Model: PB20, PB Metric series; weight 0.460 lb each

💡 What is a pillow block bearing used for in linear slide units and shaft support? A pillow block or pilloball insert supports and aligns a rotating shaft while accommodating slight angular misalignment. It’s a handy option for mounting shafts in housings and linear slide unit assemblies. Here’s a short intro to help you decide: - Provides shaft support and alignment for rotating elements and linear slide unit rails - Handles radial and light axial loads while allowing small misalignment - Ideal for conveyors, automation gear, and machine tool shaft support - Lubrication-type inserts cut down maintenance and extend component life