The NU314H52MR1C4EP6X265U5UY insulated cylindrical roller bearing is engineered for railway traction motors and high-voltage drive systems requiring reliable electrical insulation and high radial load capacity.

Featuring advanced outer ring insulation and precision cylindrical roller design, this bearing helps prevent stray current damage while maintaining stable performance under heavy-duty railway operating conditions.

GQZ Bearing supplies railway-grade insulated bearings for OEM and aftermarket appliions worldwide.

• Effective Electrical Insulation
  Outer ring insulation blocks stray current and reduces electrical erosion risk.
• High Radial Load Capacity
  Optimized cylindrical roller structure for heavy-duty railway loads.
• C4 Clearance for High-Speed Motors
  Suitable for elevated temperature and high-speed traction appliions.
• Robust Brass Cage Design
  Ensures stability, strength, and long service life.
• Railway-Grade Reliability
  Built for continuous operation in demanding rail environments.

• Railway traction motors
• Electric locomotives and EMU systems
• Metro drive motors
• High-voltage industrial motors
• Wind turbine generators
• Heavy electric drive equipment

• Strict inspection of insulation layer and dielectric performance
• Stable batch production for railway projects
• OEM and custom engineering support
• Competitive factory pricing for bulk buyers
• Fast technical response for motor bearing selection

Q1: What is the purpose of the insulated coating?
A: It prevents electrical current from passing through the bearing, reducing fluting and extending bearing life in motor appliions.

Q2: Is NU314H52MR1C4EP6X265U5UY suitable for traction motors?
A: Yes. It is specifically designed for railway traction motors requiring high radial load and electrical insulation.

Q3: Can you customize clearance or lubriion?
A: Yes. GQZ Bearing supports customization of clearance, grease, oil lubriion, and packaging for OEM projects.