4Pcs 32x12mm Roller Idler Bearing Pulley with Bearings for Door and Window

POM Flat Belt Bearing Pulley Wheel.Low noise, low vibration, high precision. stable performance and durable.High sealing performance, high operation performance.Widely used in transmission, instrumentation, electrical, household appliances, internal combustion engines, agricultural machinery, construction machinery, engineering machinery, roller-skating shoes, yo-yo, etc.

Zirconia Ceramic Bearing 6000-6906 ZrO2 Full Ball/With Retainer Ball Bearings

The Main Body Of The Bearing Is Zirconia Ceramic, Which Has Superb Resistance To Acid And Alkali And Weak Acid Corrosion. ●Rolling Bearing Seat Material : Ceramic. The Cage Is Made Of Ptfe (Polytetrafluoroethylene), Which Can Withstand High Temperature Of 150℃, Has Excellent Chemical Stability, Corrosion Resistance, Sealing, Electrical Insulation, Can Be Low Noise Friction Coefficient Is Small, In The Zirconium Oxide And Ptfe Collocation, Greatly Improves The Ceramic Bearing’s Smoothness And Wear Resistance.