Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
NSK NJ211em NJ212em NJ213em Cylindrical Roller Bearing
Ensure smooth, reliable rotation in your machinery with precision-engineered NSK Cylindrical Roller Bearing solutions. The NJ211em, NJ212em, and NJ213em models deliver consistent performance under radial loads, minimizing downtime and extending equipment lifespan.
- Optimized EM design reduces friction for quieter operation and improved energy efficiency
- Robust cylindrical roller construction handles high-speed applications with stability
- Pre-lubricated and ready for installation, saving valuable maintenance time
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
Spécifications du produit
Adéquation de l'application
| Conveyor drive systems, robotic arm joints |
Need Reliable NJ211em, NJ212em, NJ213em Cylindrical Roller Bearings? Here’s What Matters
Finding the right cylindrical roller bearings for your equipment often means sifting through countless brands and型号, only to face delays or compatibility issues. Many buyers experience early bearing failure due to poor material quality or incorrect precision class, leading to unexpected downtime and maintenance costs. Sourcing from multiple suppliers just to compare options only adds to the frustration.
Conçu pour des performances constantes dans des environnements exigeants
Our NJ211em, NJ212em, and NJ213em cylindrical roller bearings address these challenges with ISO 9001-certified manufacturing processes and comprehensive quality testing. As a supplier with access to both international brands like NSK and domestic alternatives, we can source the exact cylindrical roller bearing you need—whether for a replacement part in a wind turbine gearbox or a new installation in hydraulic machinery. With substantial stock available, we minimize lead times even for specific型号 requirements. Performance optimale dans les applications à forte charge radiale
These cylindrical roller bearings excel in applications with heavy radial loads and moderate speeds, such as electric motor shafts and pump assemblies. Their design allows for efficient load distribution across the rolling elements, making them suitable for continuous operation in temperatures ranging from -30°C to 120°C. Proper selection of bearing size—matching bore diameter, outer diameter, and width to your equipment’s specifications—is critical to prevent premature wear and ensure smooth power transmission. Caractéristiques techniques clés pour une longue durée de vie
The NJ-series cylindrical roller bearings incorporate several design elements that enhance durability. The machined brass cage provides stable roller guidance, reducing friction and heat generation during operation. Precision-ground raceways ensure tight dimensional tolerance, which is essential for interchangeability with original equipment parts. Surface hardness of HRC 58-62 on the inner and outer rings resists indentation and wear, while the separable inner ring design simplifies mounting and dismounting during maintenance. These features collectively contribute to extended bearing life under typical industrial operating conditions. Pourquoi le choix approprié du roulement réduit le coût total
Choosing the right cylindrical roller bearing directly impacts your equipment’s total cost of ownership. A bearing with insufficient load capacity may fail prematurely, causing production downtime and potential damage to adjacent components. Our technical team helps verify critical parameters like dynamic load rating and static load rating to ensure the bearing matches your application’s requirements. By selecting a bearing that balances performance and cost, you avoid the hidden expenses of frequent replacements and unplanned maintenance. Assurance qualité digne de confiance Every bearing undergoes rigorous inspection, including dimensional accuracy checks using calibrated measuring tools and hardness testing to confirm material properties. Our quality control process follows ISO 9001 standards from raw material incoming inspection to final product verification. We provide a standard warranty against manufacturing defects, with clear terms for returns or replacements. As a multi-brand supplier, we can source bearings that meet your specific quality standards, whether you require original equipment manufacturer specifications or equivalent alternatives. Emballage industriel standard avec protection pour éviter les dommages pendant le transport
Obtenez votre devis de roulement à rouleaux cylindriques dès aujourd'hui
Whether you need NJ211em, NJ212em, NJ213em, or other cylindrical roller bearing型号, provide us with your required dimensions, quantity, and application details. Our team will promptly confirm availability and provide a competitive quote. With access to a wide range of brands and型号, we simplify your procurement process—no need to contact multiple suppliers. Foire aux questions Q: Can you supply other brands or型号 of cylindrical roller bearings? A: Yes, we support inquiries for all major brands and型号, and can source bearings according to your specific specifications. Q: Comment puis-je confirmer si ce roulement convient à mon équipement ? A: Provide the original equipment model number or the required dimensions (bore diameter, outer diameter, width), and our technical team will assist in verifying compatibility. Q: Quelle est votre politique de garantie pour ces roulements?
A: We provide a warranty against manufacturing defects; specific terms are detailed in the sales contract, and defective products can be returned or replaced within the warranty period. Q : Quelle est la quantité minimale de commande ?
A: We accept low minimum order quantities, including small-batch trial orders to meet maintenance or prototyping needs. Q: Combien de temps prend l'expédition et quelles méthodes sont disponibles?
A: In-stock items ship within 1-3 business days; shipping methods include express courier, air freight, and sea freight, with delivery times varying by destination. Q: Proposez-vous la personnalisation OEM/ODM ?
A: Yes, we support customization according to provided drawings or technical specifications for special application requirements. Ready to order or need a quote?
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
- NSK NJ211em NJ212em NJ213em 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
NSK NJ211em NJ212em NJ213em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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