ZrO2 And Si3N4 Full Ceramic Bearing With PTFE Based Grease 7x13x4 Mm Metric Size For Industrial And Commercial Use Low Friction Zirconia Silicon Nitride Ceramic Bearing With High Durability And Smooth Operation

Ceramic MR137-2RS Bearing 7x13x4mm, single unit
✔️ Sealed ceramic MR137-2RS bearing, Si3n4/ZrO2, 7x13x4mm

MR137-2RS is a full ceramic bearing that uses Si3n4 ceramic balls and ZrO2 ceramic inner and outer races. It delivers low friction, high wear resistance, and dependable operation across a wide temperature range. Pre-lubricated with a PTFE based grease, it's ideal for precision equipment, robotics, and industrial systems where long life matters.

✅ Bore 7 mm, OD 13 mm, width 4 mm
✅ Material: Si3n4 ceramic balls, ZrO2 ceramic races
✅ Lubrication: PTFE based grease for long life
✅ Temperature range: -50 to 150 C
✅ Sealed 2RS shields protect from dust and moisture

💡 What is a common use case for a ceramic bearing in general engineering?

This handy bearing type is widely used in equipment that demands precision, speed, and durability.

• Automation and robotics for smooth, quiet motion
• High speed spindles and test rigs with minimal wear
• Chemical and corrosion resistant setups with PTFE grease