Traction Motor Bearing Supplier NU314H52MR1C4EP6X265U5UY railway bearings cylindrical roller bearing insulated
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 applications worldwide.
| Parameter | Value |
|---|---|
| Bearing Model | NU314H52MR1C4EP6X265U5UY |
| Bearing Type | Insulated Cylindrical Roller Bearing |
| Design Type | NU314 (separable inner ring) |
| Bore Size | 70 mm |
| Outer Diameter | 150 mm |
| Width | 35 mm |
| Clearance | C4 |
| Cage Type | Machined Brass Cage |
| Insulation Type | Outer Ring Insulated Coating |
| Insulation Voltage | Up to 1000V (typical) |
| Material | Chrome Steel (GCr15) |
| Lubrication | Grease or Oil |
| Application | Railway Traction Motor |
- 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 applications. - 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 applications.
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 lubrication?
A: Yes. GQZ Bearing supports customization of clearance, grease, oil lubrication, and packaging for OEM projects.
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