Wide R8 Full Ceramic Ball Bearing 1/2 x 1-1/8 x 5/16 White ZrO2 PTFE Cage Open

Wide R8 Full Ceramic Ball Bearing 1/2in x 1-1/8in x 5/16in ZrO2
✔️ Open Full Ceramic Bearing with PTFE Cage

This wide R8 full ceramic ball bearing is used in high temperature, corrosion prone, and electrically sensitive applications where steel bearings struggle. Made entirely from zirconia ceramic with a PTFE cage, it runs clean, resists rust, and handles harsh environments in industrial, lab, and specialty machinery. Pack size is 1 bearing.

✅ Bearing type: wide R8 full ceramic ball bearing
✅ Bore (ID): 1/2 inch
✅ Outside diameter (OD): 1-1/8 inch
✅ Width: 5/16 inch
✅ Ball material: zirconia ceramic ZrO2
✅ Race material: zirconia ceramic ZrO2
✅ Cage material: PTFE Polytetrafluoroethylene
✅ Closure type: open
✅ Maximum operating temperature: 356°F 180°C
✅ Non magnetic and corrosion resistant
✅ Suitable for dry or lightly lubricated operation
✅ Quantity: 1 bearing

💡 Why are full ceramic ball bearings used in high temperature and corrosive environments?
Full ceramic bearings eliminate metal contact and reduce chemical and thermal breakdown in demanding conditions.

• Zirconia ceramic resists rust, acids, and moisture better than steel

• Low thermal expansion helps keep running clearance stable at high heat

• Electrical insulation prevents current damage in motors and precision systems

• PTFE cages handle heat and reduce friction without oil heavy lubrication

A handy choice for equipment that needs clean running, heat resistance, and long life in tough operating conditions.