Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure locomotive powertrain reliability with the <strong>SKF 6348 bearing</strong>, a high-precision deep groove ball bearing engineered to deliver consistent performance under heavy radial loads and high rotational speeds. Its 240x500x95mm dimension and P0-P2 precision ratings minimize vibration (Z1V1-Z3V3) and extend service intervals, directly addressing the need for stable, traceable components in critical rail applications.</p><ul><li>Genuine SKF from authorized distributor—complete certification and batch consistency for seamless production scheduling</li><li>Available with ZZ/2RS seals and grease/oil lubrication options to match specific locomotive working conditions</li><li>93kg unit weight with robust carton-pallet packaging ensures secure, on-time delivery for OEM assembly lines</li></ul>
Compatible with: Housings, adaptor sleeves, locking devices, SKF LGMT 2/3 grease, induction heaters, and SKF TMFT 36 fitting tools.
Formal quotation with SKF traceability cert within 24 hours · Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Deep Groove Ball Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Câ‚€) | -- | kN |
| Fatigue Limit Load (Pu) | -- | kN |
| Reference Speed | -- | r/min |
| Limiting Speed | -- | r/min |
| Mass | -- | kg |
| Clearance Class | C3 | ISO 281 |
| Cage Material | -- | -- |
| Sealing / Shield | -- | -- |
| Lubrication | Grease / Oil bath | -- |
| Operating Temp. Range | −30 to +120 °C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | ° |
| Fit Recommendation (shaft) | -- | ISO |
| Fit Recommendation (housing) | -- | ISO |
| Replacement / Cross Ref. | -- | -- |
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
Wind turbines, generators, gearboxes, and turbine main shafts.
Cranes, presses, rolling mills, and large industrial gearboxes.
Ship propulsion systems, deck machinery, and offshore platforms.
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Paper machine rolls, dryer sections, and calender rolls.
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Every SKF bearing supplied by Dunyu Bearings adheres to SKF's global engineering standards -- from material science and heat treatment to precision tolerancing and noise classification.
Optimized internal geometry reduces friction and heat generation, extending service life by up to 50% compared to conventional designs. Ideal for high-speed and high-temperature applications.
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
Comprehensive sealing options: open, shielded (Z/2Z), rubber sealed (RS/2RS), and labyrinth variants. SKF V-rings and radial shaft seals available as integrated solutions.
LGMT 2/3 general purpose grease for most applications. LGEP 2 for heavy loads, LGHP 2 for high temperatures. SKF automatic lubricators (SYSTEM 24) for continuous re-lubrication.
Correct mounting is critical. SKF TMFT 36 fitting tool kit, induction heaters (TIH 030M/100M), and laser alignment tools ensure damage-free installation and maximum service life.
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
| Parameter | Details |
|---|---|
| Model NO. | 6348 ZZ/2RS/6348 M/6348 M/W64 |
| Seals Type | ZZ, 2RS, Open |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Rows Number | Single |
| Aligning | Non-Aligning Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Separated | Unseparated |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Weight | 93 kg |
| Transport Package | Carton, Pallet |
| Specification | 240×500×95 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Rail Transit | Locomotive Traction Systems, Bogie Assemblies, Wheel Sets |
| Industrial Machinery | Heavy-Duty Gearboxes, Large Electric Motors, Conveyor Systems |
| Marine & Offshore | Propulsion Systems, Winches, Deck Machinery |
Locomotive maintenance teams know the cost of bearing failure: unplanned downtime, missed schedules, and emergency repair costs that exceed the bearing price by 10x. Counterfeit bearings often fail within 30% of the expected service life, while multi-tier distributors delay critical replacements by 4–6 weeks. For rail operators balancing reliability and operational efficiency, these challenges directly impact fleet availability.
As an official SKF authorized distributor, we stock the high-precision 6348 deep groove ball bearing (240x500x95mm) to address your urgent needs. This bearing is engineered for the radial loads and moderate speeds of locomotive traction motors and bogie systems, with SKF’s proprietary heat treatment ensuring consistent performance under thermal stress. Our centralized warehouse maintains ready inventory, eliminating the lead time delays of traditional distribution channels.
The SKF 6348 bearing thrives in the demanding environment of rail transit, where it endures continuous vibration, variable temperatures (-40°C to 120°C), and heavy radial loads. Its single-row design and 0° contact angle optimize load distribution, while precision ratings up to P2 minimize runout—critical for reducing noise and extending gearbox life. Whether powering freight locomotives or passenger trains, this bearing delivers the stability required for safe, uninterrupted operation.
Three key specifications set this bearing apart for locomotive applications. First, the precision rating options (P0 to P2) allow customization: P5 grade reduces vibration by 20% compared to standard bearings, ideal for passenger comfort. Second, seal configurations (ZZ metal shields or 2RS rubber seals) prevent contamination from track debris—2RS variants offer 90% better moisture resistance in wet conditions. Third, vibration classes (Z1V1 to Z3V3) ensure smooth operation; Z3V3-rated bearings meet the strictest noise standards for urban rail systems. These features combine to extend bearing life by up to 40% in locomotive service.
Choosing genuine SKF 6348 bearings over gray-market alternatives delivers measurable savings. Counterfeit bearings typically fail after 6–12 months of use, requiring replacement and causing 40+ hours of downtime per incident. A genuine SKF bearing, backed by ISO 9001 quality control, averages 3–5 years of service in locomotive applications. When factoring in labor, parts, and lost revenue from delays, genuine bearings reduce total ownership costs by 65% over 5 years. Our full traceability documentation also eliminates customs clearance issues for international rail operators, avoiding costly shipment delays.
Our 15 years as an SKF authorized distributor ensures you receive authentic products with complete traceability—every bearing includes a batch certificate linking it to SKF’s Swedish manufacturing facility. Our SKF-certified technical team provides free application reviews, helping you select the optimal seal type and precision grade for your specific locomotive model. With a 5,000m² centralized warehouse and partnerships with DHL and FedEx, we deliver to 60+ countries, with emergency orders dispatched within 24 hours. Over 300 rail operators worldwide trust our supply chain for critical components, backed by a 100% genuine product guarantee and manufacturer-backed warranty.
Delays in securing genuine SKF 6348 bearings can keep locomotives idle, costing $5,000–$15,000 per day in lost revenue. Our ready stock and streamlined ordering process ensure you get the right bearing when you need it. Send your locomotive model, bearing quantity, and delivery location to receive a formal quote with certification documents within 24 hours.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with SKF's original packaging, batch traceability certificate, and our authorization documentation for full authenticity verification.
Q: How do I confirm if the 6348 bearing fits my locomotive?
A: Provide your locomotive model, traction motor specifications, or existing bearing part number. Our SKF-certified technical team will cross-verify compatibility and recommend the optimal seal and precision grade.
Q: What is the warranty policy?
A: All bearings are covered by SKF's standard manufacturer warranty, which includes replacement for manufacturing defects. We provide full warranty support and claims assistance.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making us ideal for emergency repairs. Volume discounts are available for fleet maintenance programs.
Q: How quickly can you ship to Europe/North America?</p
As an officially authorized SKF distributor, every bearing we supply carries full documentation from SKF's global manufacturing network -- with complete batch traceability from factory to your facility.
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
ISO 9001
SKF Authorized
Full Traceability
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
| Region | Mode | Transit Time | Incoterms |
|---|---|---|---|
| Europe | Sea / Air / Express | 15-25d / 5-7d / 3-5d | DDP · DAP · CIF · FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP · DAP · CIF · FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP · DAP · CIF · FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP · DAP · CIF · FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB · CIF · Negotiable |
Every product we supply comes with original SKF packaging including an anti-counterfeit holographic seal and QR code. You can scan the QR code on the SKF official website to verify authenticity. We also provide the SKF Certificate of Origin with every shipment, and our authorized distributor status can be verified directly through SKF's global distributor portal.
There is no strict minimum order quantity for standard catalog items. We support single-piece sample orders for testing and evaluation. For bulk procurement and long-term supply programs, we offer preferential pricing and dedicated inventory reservation. Contact our sales team for a customized procurement plan.
We guarantee a formal quotation with full SKF traceability certification within 24 business hours of receiving your inquiry. For urgent requirements, our team can typically respond within 2 hours during business hours (Mon-Sat, 9:00-18:00 GMT+8). Contact us via WhatsApp for fastest response.
Yes, we fully support DDP, DAP, CIF, and FOB incoterms across 60+ countries. Our logistics team handles all export documentation, customs clearance, and last-mile delivery. We work with leading freight forwarders and express carriers (DHL, FedEx, UPS) to ensure reliable and timely delivery.
Absolutely. Our SKF-certified engineers provide comprehensive technical support including bearing selection, application analysis, failure investigation, and lubrication planning. We can also assist with housing selection, mounting tool recommendations, and condition monitoring solutions. Technical support is available 24/7 via email and WhatsApp.
We accept T/T (bank transfer), L/C (letter of credit) for large orders, and Western Union. Standard terms are 30% deposit with 70% balance before shipment. For established long-term customers with framework agreements, we offer net payment terms. All transactions are conducted in USD or EUR.
All products carry the full SKF manufacturer warranty. In the unlikely event of a defective product, we will arrange replacement or full refund -- no questions asked. Our quality team will also conduct a failure analysis to identify the root cause and prevent recurrence. Please retain the original packaging and documentation for warranty claims.
Still have questions? Chat with our SKF engineers →
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.