Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
NACHI Nup306em Nup307em Nup308em Cylindrical Roller Bearing
Experience smoother machinery operation and extended equipment life with our precision-engineered NACHI Cylindrical Roller Bearing lineup, including models Nup306em, Nup307em, and Nup308em. These bearings minimize friction to reduce energy loss, keeping your systems running efficiently even under heavy loads.
- Engineered with a separable inner ring design for easy installation and maintenance, saving you valuable downtime
- Optimized raceway geometry ensures uniform load distribution, preventing premature wear in high-torque applications
7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details
Spécifications du produit
| NUP306EM, NUP307EM, NUP308EM |
| NACHI dimensional standard |
Adéquation de l'application
| Transmission shafts, gearboxes, conveyor systems |
| Engine components, drive trains |
| Steel & Metallurgy |
| Pump assemblies, hydraulic motors |
Need Reliable NUP Series Cylindrical Roller Bearings? Avoid Common Sourcing Pitfalls
Finding the right cylindrical roller bearings for high-load applications often means sifting through countless brands and specifications. Many buyers face delays from suppliers with limited inventory, or receive bearings that fail prematurely due to poor material quality. When your equipment depends on precise load handling and durability, these challenges directly impact your operational efficiency.
Conçu pour des performances robustes auxquelles vous pouvez faire confiance
Our NUP306EM, NUP307EM, and NUP308EM cylindrical roller bearings are designed to address these pain points. As a specialized bearing supplier with ISO 9001 certified processes, we ensure each bearing meets strict dimensional and hardness standards. Whether you need a single unit or bulk order, our extensive inventory covers both international brands like NACHI and domestic alternatives, eliminating the need for multiple supplier relationships. Performance optimale dans des conditions exigeantes
These NUP series bearings excel in applications with radial and axial load combinations, making them ideal for gearboxes, machine tool spindles, and industrial gear drives. Their cylindrical roller design provides high radial load capacity while maintaining precise alignment, even in high-speed operations. Proper selection of bearing size—matching bore diameter, outer diameter, and width to your equipment’s specifications—is critical to preventing premature wear and ensuring maximum service life. The NUP design incorporates a double-row roller configuration with a fixed inner ring and separable outer ring, allowing for easy installation and maintenance. Precision ground raceways ensure uniform load distribution across rollers, reducing stress concentrations that cause early failure. Surface hardness testing confirms each bearing meets industry standards for wear resistance, while tight dimensional tolerances ensure compatibility with existing equipment. For applications requiring frequent disassembly, the separable design significantly reduces maintenance time compared to non-separable bearing types. Pourquoi les roulements de qualité réduisent le coût total de possession
Choosing the right cylindrical roller bearing directly impacts your bottom line. Inferior bearings with substandard materials or imprecise manufacturing lead to increased downtime, higher replacement frequency, and potential damage to adjacent components. Our bearings, manufactured to international standards, minimize these risks through consistent performance and extended service intervals. By focusing on total cost of ownership rather than initial price, you’ll see significant savings in maintenance and lost production over time. Assurance qualité que vous pouvez vérifier
Every bearing undergoes rigorous inspection before shipment, including dimensional accuracy checks, hardness testing, and surface finish evaluation. Our ISO 9001 certification ensures standardized processes from raw material selection to final packaging. We stand behind our products with a warranty against manufacturing defects, giving you confidence in your purchase. With access to both established brands and reliable domestic manufacturers, we can source the exact bearing specifications you need, even for hard-to-find models. Expédition le jour même pour les articles en stock Options logistiques flexibles comprenant le transport express, le fret aérien et le fret maritime
Obtenez votre devis de roulement à rouleaux cylindriques dès aujourd'hui
Whether you need NUP306EM, NUP307EM, NUP308EM, or any other cylindrical roller bearing model, we’re ready to assist. Provide your required model number, dimensions, and quantity, and our team will quickly confirm availability and pricing. With our extensive network of suppliers, we can also help source alternative brands if needed—saving you time and ensuring uninterrupted production. Foire aux questions Q: Fournissez-vous des roulements d'autres marques en plus de celles mentionnées ?
A: Yes, we support procurement of all major international and domestic bearing brands. Simply provide the brand and model details, and we’ll source accordingly. Q: How can I confirm if these NUP series bearings will fit my equipment? A: Provide your equipment’s bearing housing dimensions (bore diameter, outer diameter, width) or existing bearing part number, and our technical team will verify compatibility. Q: Quelle couverture de garantie offrez-vous sur les roulements ?
A: We provide a warranty against manufacturing defects. Specific terms are outlined in our sales agreement, typically covering replacement or refund for defective products. Q: Quelle est la quantité minimale de commande pour ces roulements à rouleaux cylindriques ?
A: We offer low minimum order quantities, including single-unit purchases, to accommodate both maintenance needs and production requirements. Q : Dans quel délai pouvez-vous expédier après confirmation de commande ?
A: In-stock bearings ship the same business day. For special orders, lead times vary by manufacturer and are confirmed at the time of quote. Q : Proposez-vous des solutions de roulements personnalisées (OEM/ODM) ?
A: Yes, we support custom bearing manufacturing based on technical drawings or specific performance requirements. Contact us with your specifications for a detailed proposal. Ready to order or need a quote?Key Engineering Features That Deliver Results
Packaging & Shipping
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or phone for immediate assistance.
Product Summary
- Product Name
- NACHI Nup306em Nup307em Nup308em Cylindrical Roller Bearing
- Category
- Cylindrical Roller Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Get a Custom Quote
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Cylindrical Roller Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Custom Specifications Available
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
Why SKF China
The engineering partner advantage
7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
Request a Quote
Get a custom quote for
NACHI Nup306em Nup307em Nup308em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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