Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
<p>Ensure seamless auto mechanical performance with the <strong>Double Row Cylindrical Roller Bearing NNU4932 B/Sp W33</strong>, engineered to deliver exceptional load handling and reliability in critical automotive applications. This SKF cylindrical roller bearing features a brass cage and precise C0-C5 clearance options, ensuring optimal torque transmission and reduced downtime for your production line.</p><ul><li>Separated design allows for easy mounting and maintenance, minimizing assembly time and operational disruptions</li><li>60-64 HRC hardness rating guarantees long-term durability under high-stress conditions</li><li>W33 lubrication groove ensures consistent grease distribution for extended service life</li></ul><p>Backed by full traceability documentation and SKF-certified quality, this bearing eliminates compliance concerns while providing the stability your manufacturing schedule demands.</p>
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 | -- | Cylindrical Roller 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.
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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. | Double Row Cylindrical Roller Bearing |
| Outer Dimension | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separated | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Cage | Brass, Steel |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Hardness | 60-64 HRC |
| Transport Package | Carton Pallet |
| HS Code | 8482800000 |
| Industry | Typical Equipment |
|---|---|
| Automotive | Transmissions, Gearboxes, Axle Systems, Steering Mechanisms |
| General Machinery | Electric Motors, Pumps, Compressors, Conveyors |
| Industrial Manufacturing | Machine Tools, Production Line Equipment, Heavy-Duty Gear Units |
Auto mechanical manufacturers often face unexpected production halts due to bearing failures—especially critical when dealing with high-precision components like transmissions and gearboxes. Sourcing reliable double row cylindrical roller bearings that meet strict quality standards while maintaining consistent delivery schedules remains a persistent challenge in today’s complex supply chains.
As an official SKF authorized distributor, we ensure every NNU4932 B/Sp W33 double row cylindrical roller bearing comes with complete traceability documentation, eliminating the risks of counterfeit products that plague gray-market channels. Our large centralized warehouse stocks a comprehensive range of SKF auto mechanical bearings, allowing us to fulfill orders quickly and align with your production scheduling needs.
The NNU4932 B/Sp W33 double row cylindrical roller bearing is designed to excel in demanding auto mechanical environments, where it must withstand both radial and axial loads while maintaining precision at varying speeds. Its separated inner and outer rings facilitate easy installation and maintenance, making it ideal for applications requiring quick assembly and disassembly, such as gearbox rebuilds and transmission overhauls.
This SKF cylindrical roller bearing incorporates several critical design elements that directly impact operational efficiency. The bearing steel construction, hardened to 60-64 HRC, provides exceptional durability and wear resistance under heavy loads. Available clearance grades (C0 to C5) allow customization to specific operating conditions, ensuring optimal performance in both high-temperature and high-speed scenarios. The brass or steel cage options further enhance stability, with brass cages offering superior strength for heavy-duty applications and steel cages providing cost-effective solutions for standard operations. Vibration classes Z1V1 to Z3V3 ensure smooth running, reducing noise and extending equipment lifespan.
Counterfeit double row bearings may offer lower upfront costs, but they often fail prematurely, leading to costly production line shutdowns, increased maintenance expenses, and potential safety risks. Authentic SKF NNU4932 B/Sp W33 bearings adhere to ISO 9001 and SKF global standards, undergoing rigorous quality testing to ensure batch consistency. By investing in genuine bearings, you reduce the total cost of ownership through extended service life, fewer replacements, and minimized downtime—critical factors for maintaining competitiveness in the auto mechanical sector.
With over 60 countries served and a SKF-certified technical team, we stand behind every bearing we supply. Our full-process quality management includes pre-delivery inspection to verify dimensions, hardness, and vibration levels, ensuring each product meets your specifications. We offer customized OEM schemes tailored to your unique requirements, supported by a dedicated account manager who tracks your order from warehouse to delivery. Global door-to-door logistics ensures your bearings arrive when and where you need them, whether for scheduled production or emergency repairs.
Don’t let bearing-related delays disrupt your production schedule. Whether you need a single NNU4932 B/Sp W33 for emergency repair or a bulk order for ongoing production, our streamlined process ensures fast response and reliable delivery. Send us your requirements now to keep your auto mechanical equipment running at peak efficiency.
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand authorization to confirm authenticity.
Q: How can I confirm if the NNU4932 B/Sp W33 is suitable for my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will conduct a free选型 verification.
Q: What is the warranty policy?
A: All bearings are covered by SKF's official warranty, with manufacturing defects subject to unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting both emergency repairs and small-batch procurement.
Q: How long does shipping take?
A: In-stock items ship within 3-7 business days, with flexible logistics options (DHL/FedEx/UPS/air/sea) to meet your timeline.
Q: How can I verify the bearing's authenticity?
A: Authentic SKF bearings feature laser-etched markings, packaging with security labels, and unique batch codes. We provide full traceability documents for verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
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.