Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
Need Technical Advice?
Reply within 12 hours · 15+ certified engineers on call
Cylindrical Roller Bearing
NTN Koyo Timken NF318em NF319em NF320em Cylindrical Roller Bearing
Ensure smooth, reliable rotation in your industrial machinery with our precision-engineered NTN Koyo Timken NF318em Cylindrical Roller Bearing and compatible NF319em, NF320em models. These bearings minimize friction to reduce energy loss and extend equipment uptime, addressing the common challenge of unexpected downtime in high-load applications.
- Engineered with EM-type cages for enhanced durability and heat resistance during continuous operation
- Precision-ground raceways ensure consistent performance even under radial loads up to the bearing's dynamic load rating
- Direct replacement for worn units in pumps, gearboxes, and conveyors, maintaining original equipment specifications
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 NTN Koyo Timken NF318em NF319em NF320em Cylindrical Roller Bearings? Here’s What Matters
Procuring the right cylindrical roller bearings often means navigating complex model systems across brands like NTN, Koyo, and Timken. Mismatched dimensions lead to installation delays, while low-quality bearings with substandard hardness cause premature wear in critical machinery. Sourcing from multiple suppliers wastes time comparing availability and lead times—especially when your equipment can’t afford downtime.
Construido para un rendimiento fiable y a largo plazo
Our cylindrical roller bearings address these challenges with interchangeable dimensions across international standards, ensuring compatibility with NTN, Koyo, and Timken NF318em, NF319em, and NF320em specifications. As a professional bearing supplier with ISO 9001-certified processes, we maintain comprehensive inventory across full product lines—from deep groove ball bearings to specialized roller bearings—so you can source all required models from a single partner. Whether for steel冶金 rolling mills or heavy-duty automation equipment, these bearings deliver consistent performance where precision matters most. Dónde este rodamiento funciona mejor
Designed for high radial load applications, these cylindrical roller bearings excel in environments with moderate speeds and minimal axial movement. Typical use cases include gearboxes, electric motors, and conveyor systems in mining and construction machinery. Their robust design handles continuous operation under heavy loads, making them ideal for equipment where reliability directly impacts production uptime. Detalles de Ingeniería que Importan
The NF318em, NF319em, and NF320em series feature precision-machined raceways and rollers, ensuring tight dimensional tolerances for seamless interchangeability. Constructed from high-grade bearing steel, they undergo strict hardness testing to meet industry standards, enhancing resistance to wear and fatigue. The cylindrical roller design distributes radial loads evenly across the contact surface, reducing stress concentrations and extending service life. Additionally, their separable inner or outer rings simplify installation and maintenance—a critical advantage in field service scenarios. Por qué la selección de rodamientos afecta el costo total
Choosing the right cylindrical roller bearing directly impacts your total cost of ownership. Inferior bearings with inaccurate dimensions or poor material quality may cost less upfront but lead to frequent replacements, unplanned downtime, and potential damage to adjacent components. Our bearings, backed by rigorous quality control, minimize these risks by delivering predictable performance. Following ISO 281 fatigue life calculation principles, they are engineered to operate within rated load capacities, ensuring long-term reliability that lowers maintenance costs over time. Calidad en la que puedes confiar
Every bearing undergoes ISO 9001-certified inspection, from raw material verification to final dimensional and hardness testing. Our quality control process includes surface finish checks and load capacity validation, ensuring compliance with international standards. We provide a warranty against manufacturing defects, with clear terms for replacement or return. With access to both our own brand and major international brands like NTN, Koyo, and Timken, we can fulfill orders to your exact specifications—whether standard models or custom requirements. Embalaje industrial neutro con envoltura protectora para prevenir daños durante el transporte
Opciones de envío flexibles que incluyen mensajería exprés, transporte aéreo y transporte marítimo
Baja cantidad mínima de pedido para respaldar tanto el mantenimiento a pequeña escala como las grandes tiradas de producción
Need to confirm availability or pricing for NTN, Koyo, or Timken cylindrical roller bearings? Share your required model, quantity, and delivery location, and our team will provide a detailed quote within 24 hours. We handle all brand specifications and can assist with cross-referencing part numbers to ensure compatibility with your equipment. Preguntas Frecuentes
Q: Do you supply bearings from other brands besides NTN, Koyo, and Timken? A: Yes, we offer comprehensive procurement across all major international and domestic brands, including SKF, NSK, NACHI, IKO, FAG, and more. Simply provide your required brand or model number for a tailored quote. Q: How can I verify if these bearings fit my equipment? A: Provide your equipment model or the bearing dimensions (bore diameter, outer diameter, width), and our technical team will cross-check specifications to confirm compatibility with NF318em, NF319em, or NF320em series. P: ¿Qué garantía ofrecen en estos rodamientos de rodillos cilíndricos?
A: We provide a standard warranty covering manufacturing defects. Specific terms, including duration, are detailed in each order confirmation and can be customized based on your requirements. P: ¿Cuál es la cantidad mínima de pedido para estos rodamientos?
A: We support low minimum order quantities, making it feasible for both small maintenance orders and large-scale production requirements. Contact us for details on current stock levels. P: ¿Cuánto tiempo tarda el envío y qué métodos están disponibles?
A: In-stock items ship within 1-2 business days. Shipping time depends on your location: express courier (3-5 days), air freight (5-7 days), or sea freight (2-6 weeks). We’ll recommend the most cost-effective option based on your timeline. Q: ¿Puede proporcionar rodamientos de rodillos cilíndricos personalizados (OEM/ODM)?
A: Yes, we support custom bearing manufacturing to your exact specifications, including material, dimensions, and surface treatments. Provide technical drawings or samples for a feasibility assessment and quote. Ready to order or need a quote?
Packaging & Shipping
Request a Quote for NF318em, NF319em, NF320em Bearings
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
- NTN Koyo Timken NF318em NF319em NF320em 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
NTN Koyo Timken NF318em NF319em NF320em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
Related Products
More Cylindrical Roller Bearing Products
Cylindrical Roller Bearing
<p> <strong> N217e NJ217e NF217e NU217e NUP217e Rodamiento de Rodillos Cilíndricos
Cylindrical Roller Bearing
NTN Nj352EM/Nu352EM Cylindrical Roller Bearings – High Precision, Japan Made
Cylindrical Roller Bearing