Ball Bearings
- Deep Groove Ball Bearing
- Angular Contact Ball Bearing
- Self-aligning Ball Bearing
- Insert Ball Bearing
- Thrust Ball Bearing
- Flange Ball Bearing
- Thin Section Ball Bearing
- Linear Ball Bearing
- Electricity Insulated Ball Bearing
- CNC Spindle Ball Bearing
- Engraving Machine Spindle Ball Bearing
- Special Bearing For Textile Machine
- Crankcase Bearings for Racing Motorcycles
- Rubber/Plastic Coated Bearings
Roller Bearings
- Cylindrical Roller Bearings
- Self-aligning Roller Bearings
- Thrust Roller Bearings
- Tapered Roller Bearings
- Cross Roller Bearings
Technical Ceramics
- Ceramic Rings
- Ceramic Nozzle
- Ceramic Valve
- Ceramic Bolts/Screw
- Ceramic End Effector
Bearing Parts & Accessories
- Balls
- Rollers
- Cages (Retainer)
- Housing/Seat

Technical Data
ID Ø (mm): 10mm to 180mm
ODØ (mm): 15mm to 600mm
max. Operating Temperature: +250°C
min. Operating Temperature: -70°C
Tolerance Available: P0,P6,P5 & P4
Clearance Available: C0, C3,C4 and C5
Seal: Open
Type of lubrication: Dry (self-lubricant)
Applications
Aerospace systems – jet engines, pumps, actuators
High-speed spindles – CNC, grinding machines
Electric motors & generators – EV motors, high-frequency drives
Semiconductor & vacuum equipment – clean, lubricant-free use
Wind turbines – generator, yaw/pitch bearings
Railway traction motors – high-speed durability
Medical devices – dental turbines, surgical drills
Chemical & food processing – corrosion and lubricant-free
Cryogenic systems – pumps at very low temperatures
Robotics & automation – precision joints, actuators
Electrical insulation – traction systems, measuring devices
Self-Aligning Ball Bearing Made of Si3N4
Material:
Rings and balls: Si3N4
Retainer: PTFE
Features:
✅ Extremely durable – high hardness & outstanding corrosion resistance
✅ High surface quality – greater rigidity ensures smoother operation
✅ Better emergency running than traditional steel ball bearings
✅ Lightweight – approx. 40% lighter than standard steel bearings
✅ High-temperature resistant – ideal for demanding applications
✅ Dry run capable – no lubrication needed in certain conditions
✅ Current insulating – low thermal conductivity
✅ Non-magnetic – suitable for sensitive environments
✅ Superior corrosion & chemical resistance
✅ Food-grade safe – suitable for food industry applications