Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
Koyo NJ2212em-NJ2214em Cylindrical Roller Bearing High Quality
Ensure smooth machinery operation with reliable Koyo Cylindrical Roller Bearing solutions designed to minimize downtime and maximize performance. This high-quality NJ2212em-NJ2214em series delivers exceptional load capacity and rotational precision, making it ideal for heavy-duty industrial applications where consistent performance under stress is non-negotiable.
- Engineered with optimized internal geometry to reduce friction and extend service life, even in high-speed operating conditions
- Precision-machined raceways ensure uniform load distribution, addressing common wear issues that lead to unexpected maintenance
- Direct replacement for original equipment specifications, ensuring seamless integration without compatibility concerns
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
Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Maquinaria Industrial
Automotriz
Equipos de laminación, máquinas de colada continua
Finding the right cylindrical roller bearings for your equipment can be frustrating. Many buyers struggle with mismatched dimensions causing installation delays, or low-quality bearings that fail prematurely under heavy loads. Sourcing from multiple suppliers just to compare brands and lead times only adds to the hassle. Diseñado para un Rendimiento Consistente en Condiciones Exigentes
Our NJ2212em-NJ2214em cylindrical roller bearings address these challenges directly. As a supplier with ISO 9001 certified processes, we ensure each bearing meets strict dimensional and hardness standards. With access to both international brands like Koyo and domestic manufacturers, we can source the exact cylindrical roller bearing you need—no more juggling multiple vendors. These bearings excel in applications with radial loads and moderate axial loads, such as motor shafts, gear reducers, and heavy-duty conveyors. Designed to handle operating temperatures up to 120°C, they maintain stability in industrial environments with continuous operation. Proper selection of cylindrical roller bearings is critical here—using undersized or low-precision alternatives often leads to excessive vibration and early failure. Características clave de ingeniería que impactan la fiabilidad
The NJ series design incorporates a single row of cylindrical rollers, providing high radial load capacity compared to deep groove ball bearings. The “em” suffix indicates enhanced internal geometry for improved load distribution, reducing stress concentrations on raceways. Precision-machined surfaces ensure tight fits, minimizing clearance-related noise and wear. Surface hardness typically reaches 58-62 HRC, balancing wear resistance with toughness to withstand shock loads common in mining and construction equipment. Por qué elegir el rodamiento adecuado reduce los costos totales
Investing in quality cylindrical roller bearings reduces long-term expenses significantly. A failed bearing can halt production for hours, costing far more in downtime than the price of a reliable component. Our bearings follow ISO 281 fatigue life standards, meaning they’re engineered to perform through thousands of operating hours under rated loads. Using properly matched bearings also reduces strain on adjacent components like shafts and housings, extending overall equipment lifespan. Every NJ2212em-NJ2214em bearing undergoes comprehensive inspection—from raw material verification to final dimensional checks. Our quality control includes hardness testing, surface finish analysis, and rotational clearance measurement. We stand behind our products with a standard warranty covering manufacturing defects. With a wide network of suppliers, we can fulfill orders for both common and hard-to-find cylindrical roller bearing models. Embalaje industrial estándar con protección anticorrosión
Envío exprés disponible para artículos en stock
Obtenga su cotización de rodamientos de rodillos cilíndricos hoy
Whether you need NJ2212em, NJ2214em, or other cylindrical roller bearing models, we can provide competitive pricing and availability. Simply share your required model, quantity, and delivery location, and our team will respond promptly with details. The sooner you confirm your order, the faster we can arrange shipment to keep your operations running smoothly. Preguntas Frecuentes
Q: Do you supply bearings from other brands besides Koyo? A: Yes, we offer a full range of international and domestic brands, including SKF, NSK, NTN, NACHI, and more. We can source any brand or model specified by your requirements. Q: ¿Cómo puedo confirmar si este rodamiento se ajusta 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 NJ2212em-NJ2214em specifications. P: ¿Cuál es su política de garantía para estos rodamientos? A: We provide a warranty against manufacturing defects. Specific terms and duration are outlined in each sales contract, with replacements available for non-conforming products. P: ¿Cuál es la cantidad mínima de pedido para estos rodamientos?
A: We support low minimum order quantities, including single-unit purchases for maintenance needs. Larger volume discounts are available for bulk orders. Q: ¿Qué tan rápido pueden enviar rodamientos en stock?
A: In-stock NJ2212em-NJ2214em bearings are typically shipped within 1-2 business days. Express shipping options can deliver to most locations within 3-5 days. P: ¿Ofrecen soluciones de rodamientos personalizadas?
A: Yes, we support OEM/ODM customization for non-standard applications. Provide your technical drawings or performance requirements, and we can develop tailored bearing solutions. Ready to order or need a quote?
NJ2212em, NJ2214em
Rotary shafts, gearboxes, conveyor systems
Transmission components, axle assemblies
Steel Manufacturing
Need Reliable NJ2212em-NJ2214em Cylindrical Roller Bearings? Here’s What Counts
Optimal Performance in High-Load Industrial Applications
Quality You Can Trust, Backed by Rigorous Testing
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
- Koyo NJ2212em-NJ2214em Cylindrical Roller Bearing High Quality
- 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
Koyo NJ2212em-NJ2214em Cylindrical Roller Bearing High Quality
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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