Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
High Precision NJ318EM NF318EM NU318EM Cylindrical Roller Bearing
Experience smoother, more reliable machinery performance with our High Precision Cylindrical Roller Bearing, designed to minimize downtime and extend equipment lifespan in high-load applications. The NJ318EM, NF318EM, and NU318EM variants deliver consistent rotational accuracy, ensuring your operations run with the precision you depend on.
- Engineered with optimized cage design to reduce friction and heat buildup during continuous use
- Precision-ground raceways ensure tight tolerance control for seamless integration into industrial setups
- Enhanced load distribution capabilities handle radial stresses efficiently, reducing wear on critical components
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
Looking for High Precision Cylindrical Roller Bearings? Here’s What Matters
Procuring the right cylindrical roller bearings can be challenging with numerous models across metric and imperial standards. Many buyers face issues like misalignment during installation, premature wear from substandard materials, or the need to source from multiple suppliers for different brands. These problems often lead to costly downtime and maintenance delays.
Conçu pour une performance fiable et à long terme
Our High Precision NJ318EM NF318EM NU318EM Cylindrical Roller Bearings address these challenges through ISO 9001 certified manufacturing processes and comprehensive quality checks. As a professional bearing supplier, we offer extensive coverage of both our own brand and international mainstream brands, ensuring you can find the exact specifications you need in one place. Whether for industrial machinery, automotive applications, or heavy equipment, these bearings deliver consistent performance under demanding conditions. Où ce roulement fonctionne le mieux
Designed for high radial load applications, these cylindrical roller bearings excel in environments with moderate to high speeds. Typical use cases include gearboxes, electric motors, pumps, and conveyor systems where precision and durability are critical. Their robust construction ensures reliable operation even in settings with vibration or variable load conditions, making them suitable for industries like manufacturing, mining, and construction. Détails d'ingénierie qui comptent
The precision class of these bearings ensures tight dimensional tolerances, reducing the risk of misalignment during installation. Constructed with high-quality steel, they offer excellent surface hardness and wear resistance, extending service life in heavy-duty applications. The cylindrical roller design allows for efficient load distribution, minimizing stress concentrations and enhancing dynamic load capacity. Additionally, the separable inner or outer rings simplify maintenance and replacement, reducing downtime during servicing. Pourquoi le choix du roulement affecte le coût total
Choosing the right cylindrical roller bearing directly impacts your total cost of ownership. Inferior bearings with inadequate hardness or precision often lead to early failure, resulting in unplanned downtime, replacement costs, and potential damage to adjacent components. Our bearings, however, undergo rigorous testing for dimensions, hardness, and surface treatment, ensuring they meet industry standards and deliver long-term reliability. By investing in quality, you reduce maintenance frequency and extend equipment lifespan, lowering overall operational costs. Qualité sur laquelle vous pouvez compter
Our manufacturing and inspection processes are ISO 9001 certified, covering raw material testing through to成品检验. Each bearing undergoes thorough checks for dimensional accuracy, surface finish, and hardness to ensure consistent quality. We provide a warranty period for all our products, with replacement or refund available for manufacturing defects. With a wide network of suppliers, we can source both standard and hard-to-find models, and our substantial inventory allows for quick turnaround on orders. Emballage neutre avec des matériaux de protection pour éviter les dommages pendant le transport
Options de livraison flexibles incluant coursier express, fret aérien et fret maritime
To get started, please provide the bearing model, required quantity, and delivery location. Our team will promptly confirm availability and provide a competitive quote. Whether you need a single unit or bulk order, we can accommodate your requirements and ensure timely delivery. Foire aux questions Q: Fournissez-vous des roulements d'autres marques ou modèles ?
A: Oui, nous acceptons les demandes de renseignements pour toutes les marques et tous les modèles de roulements, et pouvons fournir selon vos spécifications requises.
Q: Comment puis-je confirmer si ce roulement est adapté à mon équipement ?
A: Provide the dimensions (bore diameter, outer diameter, width) or equipment model, and our technical team will assist in verifying compatibility. Q: Quelle est votre politique de garantie ? A: We offer a warranty period for manufacturing defects, with terms subject to agreement in the purchase contract. Q : Quelle est la quantité minimale de commande ?
A: We have a low minimum order quantity, supporting small batch trials and large-scale orders. Q: Combien de temps prend l'expédition et quelles méthodes sont disponibles?
A: In-stock items ship immediately; shipping time depends on the method chosen (express, air, or sea freight). Q: Proposez-vous la personnalisation OEM/ODM ?
A: Yes, we support customization according to your drawings or specifications. Ready to order or need a quote?
Packaging & Shipping
Request a Quote for This Bearing
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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Product Summary
- Product Name
- High Precision NJ318EM NF318EM NU318EM 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
High Precision NJ318EM NF318EM NU318EM Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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