High-Precision 6348 Zz/2RS Deep Groove Ball Bearing for Locomotive Applications

Product Specifications

Application Suitability

Need a High-Precision 6348 ZZ/2RS Deep Groove Ball Bearing for Locomotive Applications?

Locomotive maintenance teams face critical challenges with bearing failures—premature wear from vibration, seal leaks in harsh environments, and lengthy downtime waiting for replacement parts. Sourcing the right SKF 6348 bearing that meets both precision requirements and application demands can be a complex process, especially when dealing with multiple suppliers.

Engineered for Locomotive Reliability

Our SKF 6348 deep groove ball bearing addresses these challenges with its robust design and precision manufacturing. As a specialized supplier with direct access to SKF's global distribution network, we ensure 100% authentic products that meet original factory specifications. The 6348 ZZ/2RS variants, in particular, are optimized for locomotive applications where high radial loads, temperature fluctuations, and contamination resistance are non-negotiable.

Optimal Performance in Demanding Conditions

This bearing operates effectively under the heavy radial loads typical of locomotive wheel axles and traction motors, with a contact angle of 0° ensuring efficient load distribution. Its single-row design and non-aligning特性 make it suitable for applications with minimal shaft misalignment, while vibration ratings (Z1V1 to Z3V3) allow customization based on noise and smoothness requirements. Whether in high-speed passenger trains or heavy freight locomotives, this bearing delivers consistent performance.

Key Engineering Features for Longevity

The 6348 bearing's 240mm bore diameter, 500mm outer diameter, and 95mm width provide a stable foundation for handling up to 93kg of dynamic load. Constructed from high-grade bearing steel, it offers exceptional surface hardness and wear resistance—critical for withstanding the continuous stress of locomotive operation. Choose between ZZ (metal shielded) or 2RS (rubber sealed) options: ZZ for high-temperature environments and 2RS for superior contamination protection in dusty or moist conditions. Precision ratings from P0 to P2 ensure compatibility with everything from standard industrial use to high-precision gearbox applications.

Total Cost of Ownership Matters

Selecting the right bearing directly impacts operational costs. A genuine SKF 6348 bearing with proper precision (P5 or higher) reduces vibration-induced wear on adjacent components, extending overall equipment life. The sealed variants minimize lubrication loss and maintenance intervals, lowering downtime and labor expenses. While cheaper alternatives may cut initial costs, they often fail prematurely—leading to unplanned repairs, safety risks, and higher long-term expenses. ISO 281 fatigue life standards further validate that this bearing is engineered for durability in demanding locomotive service.

Quality You Can Trust

Packaging & Shipping

• Packaged in cartons with pallet reinforcement for secure transportation
• Same-day shipping available for in-stock items
• Global delivery options including express, air, and sea freight
• Flexible order quantities, from small replacement batches to large-scale OEM requirements

Get Your SKF 6348 Bearing Quote Today

Whether you need the 6348 ZZ, 2RS, or another variant, provide your required model, quantity, and delivery location, and our technical team will assist with specifications and pricing. We specialize in fast turnaround for locomotive parts, so you can get back to keeping your trains running on schedule.

Frequently Asked Questions