Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
NU318em NU319em NU320em Cylindrical Roller Bearing Factory Direct
Ensure smooth, high-performance machinery operation with our factory-direct NU318em, NU319em, NU320em Cylindrical Roller Bearings. These precision-engineered components deliver exceptional load-bearing capacity and reduced friction, minimizing downtime and extending equipment lifespan.
- Optimized internal geometry ensures consistent radial load distribution, critical for heavy-duty industrial applications
- Factory direct pricing eliminates unnecessary markups, giving you premium quality at a competitive cost
- Precision-machined raceways and rollers maintain tight tolerances for reliable performance in demanding environments
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
Especificaciones del Producto
Parámetro
Detalles
Tipo de Rodamiento
Rodamiento de Rodillos Cilíndricos
Número de modelo
Estándar de fabricación
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Maquinaria de Construcción
Puntos de pivote de cilindros hidráulicos, sistemas de transporte
Energía Eólica
Ejes principales de generador, conjuntos de caja de cambios
Minería Metalurgia del Acero Soportes de laminación, equipos de colada continua
Automotriz
Finding the right cylindrical roller bearing for your equipment can be challenging. Many buyers struggle with mismatched dimensions between different manufacturers or face unexpected downtime due to premature bearing failure. Sourcing from multiple suppliers to compare options only adds complexity to your procurement process. Construido para un Rendimiento Consistente en Entornos Exigentes
Our NU318em, NU319em, and NU320em cylindrical roller bearings address these challenges through ISO 9001 certified manufacturing processes and strict quality control measures. With dimensions compatible with major international standards, these bearings ensure reliable fit and interchangeability. Whether your application involves heavy radial loads in mining equipment or high-speed rotation in steel mills, our cylindrical roller bearings deliver consistent performance. These cylindrical roller bearings excel in applications with high radial loads and moderate axial displacement. Their robust design makes them suitable for operating temperatures ranging from -30°C to 120°C, common in industrial environments like steel plants and wind turbine gearboxes. Proper selection based on load capacity and operating conditions is critical to maximizing bearing service life and minimizing equipment downtime. Características clave de ingeniería para la fiabilidad a largo plazo
The NU series cylindrical roller bearings feature a separable inner ring design, allowing for easy mounting and dismounting during maintenance. Precision ground raceways ensure uniform load distribution across the rollers, reducing stress concentrations and extending fatigue life. Surface hardness of HRC 58-62 on raceways and rollers provides excellent wear resistance, while controlled clearance levels accommodate thermal expansion in high-temperature applications. These design elements work together to deliver predictable performance in demanding industrial settings. Por qué la selección adecuada de rodamientos impacta en su resultado final
Choosing the right cylindrical roller bearing directly affects your total cost of ownership. A correctly sized bearing operating within its load rating can last up to five times longer than an undersized alternative, significantly reducing replacement and maintenance costs. Following ISO 281 guidelines for bearing life calculation helps ensure your selection matches application requirements, preventing premature failures that cause unplanned downtime and production losses. Investing in quality bearings ultimately lowers your long-term operational expenses. Calidad en la que puedes confiar
Our cylindrical roller bearings undergo comprehensive quality control throughout the manufacturing process. Raw materials are inspected for chemical composition and mechanical properties before production. Finished bearings undergo dimensional accuracy checks using coordinate measuring machines, hardness testing at multiple points, and surface finish evaluation. We provide a warranty against manufacturing defects, with clear terms for replacement or refund. Our extensive network includes both自有 production and partnerships with established manufacturers, allowing us to fulfill orders for various brands and specifications as required by our customers. Embalaje industrial neutro con tratamiento anti-óxido
Disponible en stock para despacho inmediato
Opciones de envío flexibles que incluyen mensajería exprés, transporte aéreo y marítimo
Solicitar Detalles Técnicos o un Presupuesto
Whether you need to confirm specifications for NU318em, NU319em, NU320em, or other cylindrical roller bearing models, our technical team can assist with selection and compatibility verification. Provide your required model, quantity, and delivery location, and we’ll prepare a detailed quotation with availability and lead time information. Preguntas Frecuentes
P: ¿Puede suministrar rodamientos de rodillos cilíndricos de otras marcas?
A: Yes, we offer procurement services for various international and domestic brands. We can supply bearings according to your specified brand or technical requirements. Q: ¿Cómo puedo asegurarme de que este rodamiento se ajuste a mi equipo?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NU318em, NU319em, or NU320em specifications. P: ¿Cuál es su política de garantía para estos rodamientos? A: We provide a warranty covering manufacturing defects. Specific warranty duration and terms are detailed in each sales contract, with options for replacement or refund in case of verified manufacturing issues. P: ¿Cuál es la cantidad mínima de pedido?
A: We accept small orders to support maintenance needs, with no strict minimum quantity requirement. Volume pricing is available for larger production orders. Q: ¿Qué tan rápido pueden enviar estos rodamientos?
A: NU318em, NU319em, and NU320em bearings are typically available from stock, with same-day or next-day dispatch for standard orders. Shipping time depends on your location and chosen delivery method. P: ¿Ofrecen soluciones de rodamientos personalizadas?
A: Yes, we support OEM/ODM customization for special applications. Provide your technical drawings or performance requirements, and we can develop tailored cylindrical roller bearing solutions. Ready to order or need a quote?
NU318em, NU319em, NU320em
Interchangeability
Dimensions compatible with major international standards
ISO 9001 certified production processes
Quality Control
Raw material inspection, dimensional accuracy testing, hardness verification, surface treatment evaluation
Crusher rollers, conveyor belt pulleys
Transmission systems, drive axles
Need Reliable NU318em, NU319em, NU320em Cylindrical Roller Bearings? Here’s What Matters
Optimal Performance in High-Load Industrial Applications
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 our online inquiry form
Product Summary
- Product Name
- NU318em NU319em NU320em Cylindrical Roller Bearing Factory Direct
- 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
NU318em NU319em NU320em Cylindrical Roller Bearing Factory Direct
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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