Wuxi Guangqiang Bearing Trade Co.,Ltd
| Type | Insulated Cylindrical Roller Bearing |
| Number of row | Single Row |
| Clearance | C4 |
| Lubriion | Grease or Oil |
| Supply Ability | 5000PCS/ month |
| Appliion | Railway Traction Motor |
| Delivery Time | 5-8 working days |
| Cage Type | Machined Brass Cage |
| Structure | Cylindrical |
| Payment Terms | T/T,,/ PAYAPL |
| Certifiion | ISO 9001 |
| Material | Chrome Steel (GCr15) |
| Brand Name | GQZ /OEM / NEUTRAL |
| Model Number | NU215-Е-M1-F1-J20AA-C4 |
| Place of Origin | JAPAN |
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Product Specification
| Type | Insulated Cylindrical Roller Bearing | Number of row | Single Row |
| Clearance | C4 | Lubriion | Grease or Oil |
| Supply Ability | 5000PCS/ month | Appliion | Railway Traction Motor |
| Delivery Time | 5-8 working days | Cage Type | Machined Brass Cage |
| Structure | Cylindrical | Payment Terms | T/T,,/ PAYAPL |
| Certifiion | ISO 9001 | Material | Chrome Steel (GCr15) |
| Brand Name | GQZ /OEM / NEUTRAL | Model Number | NU215-Е-M1-F1-J20AA-C4 |
| Place of Origin | JAPAN | ||
| High Light | NU215 insulated cylindrical roller bearing ，railway cylindrical roller bearing ，C4 clearance cylindrical roller bearing | ||
The NU215-E-M1-F1-J20AA-C4 insulated cylindrical roller bearing is developed for railway traction motors and high-voltage drive systems requiring reliable electrical insulation and high radial load capacity.
With advanced outer ring insulation technology and optimized cylindrical roller geometry, this bearing effectively prevents stray current damage while ensuring stable performance under heavy-duty railway operating conditions.
GQZ Bearing supplies railway-grade insulated roller bearings for OEM and maintenance projects worldwide.
| Parameter | Value |
|---|---|
| Bearing Model | NU215-E-M1-F1-J20AA-C4 |
| Bearing Type | Insulated Cylindrical Roller Bearing |
| Design Type | NU215 (Separable Inner Ring) |
| Bore Size | 75 mm |
| Outer Diameter | 130 mm |
| Width | 25 mm |
| Clearance | C4 |
| Cage Type | Machined Brass Cage (M1) |
| Insulation Type | Outer Ring Insulated Coating |
| Insulation Voltage | Up to 1000V (typical) |
| Material | Chrome Steel (GCr15) |
| Lubriion | Grease or Oil |
| Appliion | Railway Traction Motor |
Q1: What is the purpose of insulated cylindrical roller bearings in railway systems?
A: They prevent stray electrical current from passing through the bearing, reducing electrical erosion and extending service life.
Q2: Why is C4 clearance used in traction motor bearings?
A: C4 clearance accommodates thermal expansion and high-speed operation in railway motors.
Q3: Can GQZ Bearing support project-based customization?
A: Yes. We support customization of insulation type, lubriion, clearance, marking, and packaging for OEM and railway maintenance projects.
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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