Maintenance Free Spherical Plain Bearing 4mm Inner Diameter PTFE Composite Self Lubricating Radial Bearing Open Without Seals Steel Outer Ring With Low Friction And High Durability For Reliable Precision Motion And Contamination Protection

PTFE Composite Maintenance-Free Spherical Bearing 4mm
✔️Single bearing: ID 4 mm, OD 12 mm, width 5 mm, open

This maintenance-free radial spherical plain bearing uses a PTFE composite sliding surface and chrome steel races. It is open (unsealed) by design and requires external protection from contaminants. Ideal for lightweight joints and small actuators where self-lubrication reduces maintenance. Dimensions: ID 4 mm, OD 12 mm, width 5 mm, C 3 mm.

✅ Inner diameter 4 mm
✅ Outer diameter 12 mm
✅ Width 5 mm
✅ Open inner race; no seals
✅ Material: Chrome steel with PTFE composite sliding surface
✅ Basic dynamic load rating: 2.10 kN
✅ Basic static load rating: 5.40 kN
✅ Quantity: 1 bearing

💡 What is a maintenance-free PTFE spherical plain bearing used for in compact machinery? This handy component provides smooth motion with minimal lubrication in tight spaces.
- In small automation or robotics, it supports rotary joints with reduced maintenance.
- It works well in open housings where external protection is used.
- PTFE composite sliding surfaces minimize wear and friction for longer service life.