NU313-E-M6-C3-SQ77 łożyska kolejowe łożyska cylindryczne izolowane

The NU313-E-M6-C3-SQ77 insulated cylindrical roller bearing is engineered for railway traction motors and high-voltage drive systems where electrical insulation and high radial load capacity are essential.

Featuring an insulated outer ring coating and optimized cylindrical roller design, this bearing effectively prevents electrical current damage while delivering excellent load performance and operational reliability in demanding railway environments.

GQZ Bearing supplies insulated railway bearings with stable quality for OEM and aftermarket applications worldwide.

Electrical Insulation Protection
Insulated outer ring prevents stray current damage such as fluting and electrical erosion.

High Radial Load Capacity
Cylindrical roller design supports heavy radial loads typical in traction motors.

C3 Internal Clearance
Optimized for high-speed and high-temperature railway operation.

M6 Machined Brass Cage
Provides excellent strength, stability, and high-speed performance.

Easy Mounting and Dismounting
NU separable design simplifies installation and maintenance.

• Railway traction motors

• Electric locomotives and EMU systems

• Metro drive motors

• High-voltage industrial motors

• Wind turbine generators

• Heavy-duty electric drive equipment

• Strict inspection of insulation layer and dielectric strength

• Stable batch production for railway projects

• OEM and customized solutions supported

• Competitive factory pricing for bulk buyers

• Technical support for traction motor bearing selection