Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 6348 ZZ/2RS/6348 M/6348 M/W64 |
| Bearing Type | Deep Groove Ball Bearing |
| Seals Type | ZZ, 2RS, Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Separated | Unseparated |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Weight | 93 Kg |
| Specification | 240*500*95 mm |
| HS Code | 8482102000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Locomotive | Wheel axles, traction motors, gearbox assemblies |
Need a High-Precision 6348 Bearing for Locomotive Applications? Here’s What Matters
Locomotive maintenance teams often face challenges with bearing failures—premature wear from vibration, seal leakage in harsh environments, or mismatched precision leading to costly downtime. Sourcing the right SKF 6348 bearing requires balancing technical specifications with real-world performance, especially when dealing with critical components like wheel axles and traction systems.
Engineered for Locomotive Reliability
This high-precision 6348 deep groove ball bearing addresses these challenges with options for ZZ (metal shielded) or 2RS (rubber sealed) designs, ensuring protection against dust and moisture in railway environments. As a supplier with access to comprehensive bearing lines, we offer interchangeable dimensions with major international standards, supporting quick replacements for emergency maintenance. The single-row radial design handles the radial loads common in locomotive gearboxes, while precision ratings up to P2 ensure minimal vibration under high-speed operation.
Optimal Performance in Railway Conditions
Designed for heavy-duty applications, this 6348 bearing operates effectively under the constant radial loads and temperature fluctuations typical of locomotive service. With a specification of 240mm inner diameter, 500mm outer diameter, and 95mm width, it fits standard railway axle configurations, while vibration classes Z1V1 to Z3V3 allow selection based on noise and smoothness requirements. Whether used in passenger trains or freight locomotives, the bearing’s bearing steel construction provides the durability needed for extended service intervals.
Key Engineering Features Explained
The precision rating directly impacts performance: P0 for general applications, P5 for high-speed scenarios, and P2 for the most demanding precision requirements, reducing rotational runout that causes vibration. Seal options matter—ZZ shields offer robust protection against debris, while 2RS seals provide superior retention of lubricant, critical for reducing maintenance frequency in hard-to-access locomotive components. Lubrication flexibility (grease or oil) allows adaptation to specific operating conditions, with oil lubrication preferred for continuous high-temperature environments. The 0° contact angle optimizes radial load handling, ensuring efficient power transmission in traction systems.
Total Cost of Ownership in Locomotive Maintenance
Choosing the correct 6348 bearing minimizes long-term costs. A precision-machined bearing reduces wear on adjacent components like axles and gear teeth, lowering overall maintenance expenses. Inferior bearings with substandard material hardness (often below industry norms) lead to early fatigue, resulting in unplanned downtime and replacement costs. By adhering to ISO standards for dimensions and load capacity, this bearing ensures reliable performance, aligning with railway maintenance protocols that prioritize safety and operational efficiency. The right balance of precision, sealing, and lubrication reduces the total cost of ownership over the bearing’s lifecycle.
Quality Assurance You Can Trust
Our supply chain follows strict quality control processes, including dimensional inspection and material verification to ensure compliance with industry standards. All bearings undergo pre-delivery checks for precision and surface finish, matching the specifications required for locomotive applications. We provide a warranty against manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands and models, we can source bearings according to your exact requirements, whether you need standard SKF 6348 ZZ bearings or specialized variants. Our inventory system supports quick response to urgent orders, minimizing equipment downtime.
Packaging & Shipping
- Packaged in cartons with palletization for bulk orders, ensuring secure transport
- Standard lead times apply, with expedited options available for urgent requirements
- Flexible shipping via courier, air, or sea freight based on your location and timeline
- Minimum order quantities accommodate both small maintenance batches and large-scale fleet requirements
Get a Quote for Your 6348 Bearing Requirement
Whether you need the 6348 ZZ, 2RS, or another variant, provide your specific model, quantity, and delivery location, and we’ll deliver a competitive quote. Our technical team can assist with verifying dimensions or selecting the right precision class for your locomotive application—contact us today to ensure you get the right bearing for the job.
Frequently Asked Questions
Q: Can you supply other brands or models of locomotive bearings?
A: Yes, we support procurement of all major bearing brands and models, including those compatible with international standards. Specify your required brand, model, or dimensions for a tailored quote.
Q: How do I confirm if this 6348 bearing fits my locomotive?
A: Provide your equipment’s make, model, or existing bearing dimensions (d x D x B), and our technical team will verify compatibility with the 6348 specifications.
Q: What is the warranty policy for this bearing?
A: We offer a warranty against manufacturing defects.具体条款以合同约定为准, covering replacement or refund for bearings that fail due to material or production issues.
Q: What is the minimum order quantity for the 6348 bearing?
A: We accept low minimum order quantities, including single-unit purchases for emergency maintenance, with volume discounts available for larger orders.
Q: How quickly can you ship the 6348 bearing?
A: Shipping time depends on inventory availability and location. Standard orders typically ship within 2-5 business days, with expedited options for urgent requirements.
Q: Do you offer custom bearing solutions for specific locomotive applications?
A: Yes, we support OEM/ODM services, including custom packaging, lubrication, and marking, based on your technical drawings or specifications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







