Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
NTN Koyo Timken NF220em NF221em NF222em Cylindrical Roller Bearing
Ensure smooth, reliable machinery operation with our precision-engineered NF220em Cylindrical Roller Bearing, designed to minimize downtime and extend equipment lifespan. This high-performance bearing from trusted brands NTN, Koyo, and Timken delivers exceptional radial load capacity, making it ideal for heavy-duty industrial applications where consistent performance under stress is non-negotiable.
- Engineered with an optimized internal geometry to reduce friction and heat buildup during continuous operation
- Precision-machined raceways ensure quiet running and enhanced stability, critical for maintaining production efficiency
- Available in NF220em, NF221em, and NF222em variants to match your specific shaft and housing requirements
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
Números de Modelo
Estándar de Diseño
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Maquinaria Industrial
Sistemas de transporte, cajas de engranajes, bombas hidráulicas
Automotriz
Conjuntos de transmisión, sistemas de ejes
Equipo Pesado
Maquinaria de construcción, equipos de minería
Finding the right cylindrical roller bearing for your machinery can feel like navigating a maze of incompatible dimensions and questionable quality. Many buyers face costly delays when replacement parts don’t match original specifications, or deal with premature failures from bearings that can’t handle real-world loads. Diseñado para un Rendimiento Consistente en Entornos Exigentes
Our NF series cylindrical roller bearings are designed to address these challenges head-on. As a supplier with access to comprehensive bearing ranges—including both established international brands and reliable domestic options—we ensure you get bearings that meet exact dimensional requirements. Whether for industrial gearboxes, automotive transmissions, or heavy machinery, these bearings deliver the load capacity and precision needed to keep operations running smoothly. Cylindrical roller bearings excel in applications with radial loads and moderate axial displacement, making them ideal for rotating shafts in conveyor systems, hydraulic pumps, and construction equipment. The NF design features a single row of rollers with a cage that maintains proper spacing, ensuring even load distribution and reduced friction under continuous operation. Selecting the correct size—whether NF220em, NF221em, or NF222em—directly impacts equipment efficiency and service life. Características clave de ingeniería que importan The performance of these cylindrical roller bearings stems from critical design elements. Precision-machined raceways ensure tight dimensional tolerances, allowing for seamless interchangeability with original equipment specifications. The roller-cage assembly minimizes metal-to-metal contact, reducing heat generation during high-speed rotation. Additionally, the bearings are manufactured from high-grade steel with controlled hardness, enhancing resistance to wear and fatigue under heavy radial loads. Proper lubrication retention in the bearing structure further extends maintenance intervals, a crucial factor in hard-to-reach installations. Por qué la calidad de los rodamientos impacta en su resultado final
Choosing substandard cylindrical roller bearings may seem cost-effective initially, but the hidden costs add up quickly. Early bearing failure can lead to unplanned downtime, damage to adjacent components, and expensive repairs. In contrast, quality bearings that meet ISO standards—like the NF220em, NF221em, and NF222em series—deliver predictable performance and longer service life, lowering total cost of ownership. By selecting bearings that match your equipment’s load requirements and operating conditions, you avoid the productivity losses associated with frequent replacements. Calidad en la que Puede Confiar, Respaldada por Normas Rigurosas
Our bearings undergo thorough quality control processes aligned with ISO 9001 standards, from raw material inspection to final dimensional verification. Each bearing is tested for hardness, surface finish, and dimensional accuracy to ensure compliance with international specifications. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for your critical applications. With access to diverse inventory, we can fulfill orders for both common and hard-to-find bearing models, supporting your procurement needs efficiently. Whether you need NF220em, NF221em, NF222em, or other cylindrical roller bearing models, we can provide competitive pricing and availability. Simply share your required model number, dimensions, and quantity, and our team will respond promptly with a detailed quote. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations on track. Preguntas Frecuentes
Q: Do you supply bearings from other brands or models besides the NF series? A: Yes, we support inquiries for all bearing brands and models, including both international and domestic options. We can source products according to your specified brand or dimensional requirements. Q: How can I confirm if the NF220em/NF221em/NF222em bearing fits my equipment? A: Provide your equipment’s make, model, or the original bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NF series specifications. Q: ¿Cuál es su política de garantía para estos rodamientos de rodillos cilíndricos?
A: We offer a warranty covering manufacturing defects. Specific terms and duration are detailed in each sales contract, ensuring coverage for material and workmanship issues. Q: What is the minimum order quantity for NF series bearings? A: Aceptamos cantidades mínimas de pedido bajas, incluyendo compras de una sola unidad, para apoyar tanto las pequeñas necesidades de mantenimiento como las grandes producciones.
Q: How quickly can you ship the NF220em, NF221em, or NF222em bearings? A: Stock items are shipped within 1-2 business days. For non-stock models, lead times vary by manufacturer and will be confirmed in your quote. Q: ¿Ofrecen personalización OEM o ODM para rodamientos de rodillos cilíndricos?
A: Yes, we support custom bearing production based on provided drawings, specifications, or sample parts to meet unique application requirements. Ready to order or need a quote?
NF220em, NF221em, NF222em
Follows international dimensional standards (NTN, Koyo, Timken series compatibility)
Need Reliable NF220em, NF221em, NF222em Cylindrical Roller Bearings? Here’s What Counts
Optimal Performance in High-Load, High-Speed Applications
Packaging & Shipping
Get a Quote for NF Series Cylindrical Roller Bearings
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
- NTN Koyo Timken NF220em NF221em NF222em 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 NF220em NF221em NF222em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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