Wuxi Guangqiang Bearing Trade Co.,Ltd
| Delivery Time | 5-8 working days |
| Payment Terms | T/T,,/ PAYAPL |
| Certifiion | ISO 9001 |
| Brand Name | GQZ /OEM / NEUTRAL |
| Place of Origin | JAPAN |
| Model Number | HC6214-M-C4-M15AS |
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Product Specification
| Delivery Time | 5-8 working days | Payment Terms | T/T,,/ PAYAPL |
| Certifiion | ISO 9001 | Brand Name | GQZ /OEM / NEUTRAL |
| Place of Origin | JAPAN | Model Number | HC6214-M-C4-M15AS |
| High Light | insulated railway ball bearings ，deep groove ball bearings with warranty ，HC6214-M-C4-M15AS insulated bearings | ||
The HC6214-M-C4-M15AS insulated deep groove ball bearing is specially designed for railway traction motors and high-voltage appliions requiring electrical insulation and reliable high-speed performance.
With an insulated outer ring coating and C4 internal clearance, this bearing effectively prevents stray current damage such as electrical pitting and fluting, ensuring extended service life in demanding railway environments.
GQZ Bearing supplies railway-grade insulated ball bearings with stable quality for OEM and maintenance projects worldwide.
| Parameter | Value |
|---|---|
| Bearing Model | HC6214-M-C4-M15AS |
| Bearing Type | Insulated Deep Groove Ball Bearing |
| Inner Diameter | 70 mm |
| Outer Diameter | 125 mm |
| Width | 24 mm |
| Clearance | C4 |
| Cage Type | Machined Brass Cage (M) |
| Insulation Type | Outer Ring Insulated Coating |
| Insulation Voltage | Up to 1000V (typical) |
| Material | Chrome Steel (GCr15) |
| Lubriion | Grease |
| Appliion | Railway Traction Motor |
Electrical Insulation Protection
Prevents current passage through the bearing, reducing electrical erosion damage.
C4 Internal Clearance
Optimized for high-speed and elevated temperature railway motor operation.
Heavy-Duty Performance
Suitable for radial and moderate axial loads in traction systems.
Railway-Grade Reliability
Designed for continuous operation under vibration and heavy load conditions.
Low Maintenance Requirement
High-quality grease and sealed structure reduce maintenance frequency.
Railway traction motors
Electric locomotives
Metro and EMU drive systems
High-voltage industrial motors
Wind turbine generators
Heavy-duty electric drive equipment
Strict quality control for insulation thickness and dielectric strength
Stable supply capability for railway projects
OEM customization supported
Competitive factory pricing for bulk procurement
Technical support for motor bearing selection
Q1: What does C4 clearance mean?
A: C4 clearance provides greater internal radial clearance than C3, suitable for high-temperature and high-speed motor appliions.
Q2: What is the function of insulated bearings in railway motors?
A: Insulated bearings prevent stray electrical current from damaging the bearing surfaces, extending operational life.
Q3: Do you support OEM marking and packaging?
A: Yes. GQZ Bearing supports laser marking, custom packaging, and project-based customization.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification：
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...
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