Wuxi Guangqiang Bearing Trade Co.,Ltd
| Payment Terms | T/T,/ PAYAPL |
| Packing | Standard Package |
| Material | Chrome Steel (GCr15) |
| Supply Ability | 5000PCS/ month |
| Appliion | Railway Traction Motor |
| Delivery Time | 5-8 working days |
| Number Of Row | Single row |
| Bearing Type | Insulated Deep Groove Ball Bearing |
| Certifiion | ISO 9001 |
| Cage Type | Steel or Brass Cage |
| Brand Name | GQZ /OEM / NEUTRAL |
| Place of Origin | JAPAN |
| Model Number | 6311H52S8C4EP6X265UY |
View Detail Information
Explore similar products
6309-2Z Single Row Deep Groove Ball Bearing Double ZZ Metal Shield 45x100x25mm
6208-2Z/C3 Single Row Deep Groove Ball Bearing Double 2Z Metal Shield C3
Steel Sheet Metal Cage FAG 6312-H-2RSR-SN-C3 Deep Groove Ball Bearing 60x130x31m
MR63-2RS MR63RS MR63 2RS Rubber Sealed Chrome Steel Size 3x6x2.5mm Deep Groove
Product Specification
| Payment Terms | T/T,/ PAYAPL | Packing | Standard Package |
| Material | Chrome Steel (GCr15) | Supply Ability | 5000PCS/ month |
| Appliion | Railway Traction Motor | Delivery Time | 5-8 working days |
| Number Of Row | Single row | Bearing Type | Insulated Deep Groove Ball Bearing |
| Certifiion | ISO 9001 | Cage Type | Steel or Brass Cage |
| Brand Name | GQZ /OEM / NEUTRAL | Place of Origin | JAPAN |
| Model Number | 6311H52S8C4EP6X265UY | ||
| High Light | Railway insulated deep groove ball bearing ，Traction motor bearing with insulation ，6311H52S8C4EP6X265UY deep groove bearing | ||
The 6311H52S8C4EP6X265UY insulated deep groove ball bearing is designed for railway traction motors and high-voltage electric drive systems where electrical insulation and high operational reliability are essential.
Featuring a durable insulated outer ring coating and optimized C4 internal clearance, this bearing effectively prevents stray current damage such as electrical pitting and fluting, ensuring long service life in demanding railway environments.
GQZ Bearing provides stable and reliable railway insulated bearings for OEM production and maintenance appliions worldwide.
| Parameter | Value |
|---|---|
| Bearing Model | 6311H52S8C4EP6X265UY |
| Bearing Type | Insulated Deep Groove Ball Bearing |
| Inner Diameter | 55 mm |
| Outer Diameter | 120 mm |
| Width | 29 mm |
| Clearance | C4 |
| Cage Type | Steel or Brass Cage |
| Insulation Type | Outer Ring Insulated Coating |
| Insulation Voltage | Up to 1000V (typical) |
| Material | Chrome Steel (GCr15) |
| Lubriion | Grease |
| Appliion | Railway Traction Motor |
Reliable Electrical Insulation
Outer ring insulation prevents current passage and reduces electrical erosion risk.
C4 Internal Clearance
Optimized for high-speed, high-temperature traction motor operation.
Smooth and Low-Noise Operation
Precision raceway finishing ensures stable and quiet running.
Heavy-Duty Performance
Handles radial and moderate axial loads in railway appliions.
Extended Service Life
Designed for continuous operation in harsh rail environments.
Q1: What is the function of insulated deep groove ball bearings?
A: They prevent stray electrical current from damaging the bearing, reducing fluting and extending service life in motor appliions.
Q2: Why is C4 clearance used in railway bearings?
A: C4 clearance allows for thermal expansion and high-speed operation typical in traction motors.
Q3: Can you provide OEM marking and special grease?
A: Yes. GQZ Bearing supports custom marking, grease selection, clearance options, and packaging.
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...
Get in touch with us
Leave a Message, we will call you back quickly!