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Cylindrical Roller Bearing
China N219em Nj219em NF219em Nu219em Nup219em Cylindrical Roller Bearing
Ensure smooth, reliable rotation in your machinery with this high-performance cylindrical roller bearing, designed to minimize downtime and extend equipment lifespan. Engineered for heavy radial load handling, it maintains precision even under continuous operation, addressing the common frustration of unexpected maintenance delays.
- Featuring optimized internal geometry for reduced friction and heat buildup—ideal for high-speed applications where temperature control is critical
- Available in N219em, Nj219em, NF219em, Nu219em, and Nup219em configurations 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
Spécifications du produit
Paramètre
Détails
Applicabilité de l'application
Industrie
Applications typiques
Finding the right cylindrical roller bearing for heavy-load applications can be challenging. Many buyers face issues with dimensional mismatches during installation or premature failures due to material inconsistencies. Sourcing from multiple suppliers for different brands also wastes valuable time in procurement cycles. Our China N219em, Nj219em, NF219em, Nu219em, and Nup219em cylindrical roller bearings are designed to address these challenges. As a专业轴承供应商 with ISO 9001 certified production processes, we maintain extensive inventory across both our own brand and major international standards, ensuring you can source the exact specifications you need without delays. These bearings perform reliably in applications like steel mill conveyor systems and wind turbine gearboxes. Cylindrical roller bearings excel in applications with high radial loads and moderate axial displacement. The N219em series handles continuous operation under heavy loads up to their dynamic load rating, making them suitable for machinery operating at stable speeds in industrial environments with temperatures ranging from -30°C to 120°C. Proper selection based on load direction and operating conditions prevents premature wear and equipment downtime. Caractéristiques techniques clés pour une longue durée de vie
The design of these cylindrical roller bearings incorporates several critical engineering details. Precision-machined raceways ensure uniform load distribution across rolling elements, reducing stress concentrations. The cage design maintains optimal roller spacing, minimizing friction and heat generation during operation. Surface hardness, typically HRC 58-62, provides excellent wear resistance under heavy loads. Dimensional accuracy conforms to international standards, ensuring interchangeability with bearings from major manufacturers when replacement is needed. Coût total de possession : Pourquoi la qualité compte
Choosing the right cylindrical roller bearing directly impacts your equipment’s total operating cost. Inferior bearings with substandard material hardness or imprecise dimensions often fail early, leading to unplanned downtime, maintenance labor costs, and potential damage to adjacent components. Our bearings, manufactured under strict quality control processes, deliver consistent performance over extended service intervals, reducing the frequency of replacements and associated costs. Properly selected bearings based on ISO 281 load-life calculations can extend equipment service life significantly. Assurance qualité que vous pouvez vérifier
Our production and inspection processes are ISO 9001 certified, covering raw material verification through final product testing. Each bearing undergoes dimensional accuracy checks, hardness testing, and surface finish inspection before shipment. We provide a warranty against manufacturing defects, with clear terms for replacement or return. Our procurement network includes access to all major international and domestic brands, allowing us to fulfill orders for specific brand requirements. With substantial现货库存, we can typically process standard orders within 24 hours. Whether you need the N219em series or other cylindrical roller bearings, provide us with the model number, dimensions (d x D x B), and required quantity. Our technical team can also assist with cross-referencing if you need alternatives to existing brands. The sooner you confirm your requirements, the sooner we can arrange delivery to keep your operations running smoothly. Questions Fréquemment Posées
Q: Can you supply bearings from other brands besides your own? A: Oui, nous prenons en charge les demandes pour toutes les grandes marques internationales et nationales. Nous pouvons nous procurer des roulements selon vos exigences de marque ou de modèle spécifiées.
Q : Comment puis-je confirmer si ce roulement est adapté à mon équipement ?
A: Provide the existing bearing’s model number or critical dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with your application. Q: Quelle est votre politique de garantie pour ces roulements ?
A: We provide a warranty period against manufacturing defects. Specific terms and duration are detailed in each sales contract, with options for replacement or return in case of verified defects. Q: Quelle est la quantité minimum de commande ?
A: We offer low minimum order quantities, including support for small-batch trial orders to meet maintenance or prototyping needs. Q : Combien de temps prend la livraison et quels sont les méthodes disponibles ?
A: In-stock bearings ship the same day. We offer express courier for urgent needs, air freight for medium volumes, and sea transport for cost-effective bulk orders. Q: Do you support OEM or ODM customization? A: Yes, we can produce custom cylindrical roller bearings according to your technical drawings, specifications, or sample requirements. Ready to order or need a quote?
Construction Machinery
Hydraulic cylinder pivot points, boom articulations
Wind Energy
Pitch control mechanisms, yaw drive systems
Automation Equipment
Conveyor rollers, robotic arm joints
Steel Metallurgy
Rolling mill guide rollers, continuous casting machines
Need Reliable Cylindrical Roller Bearings? Here’s What Engineers Should Check
All-Series Cylindrical Roller Bearings for Demanding Operations
Optimal Performance in Heavy Radial Load Environments
Packaging & Shipping
Get Your Cylindrical Roller Bearing Quote Today
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
- China N219em Nj219em NF219em Nu219em Nup219em 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
China N219em Nj219em NF219em Nu219em Nup219em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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