Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
Koyo Timken N244em N248em Cylindrical Roller Bearing
Ensure smooth, reliable machinery performance with the Koyo Timken N244em N248em line—engineered to minimize downtime and extend equipment lifespan. This cylindrical roller bearing delivers exceptional load capacity and precision, making it ideal for high-torque applications where consistent operation is non-negotiable.
- Primary keyword: Cylindrical Roller Bearing
- Features optimized internal geometry for reduced friction and heat buildup during continuous use
- Enhanced cage design ensures stable roller guidance, critical for maintaining alignment in heavy-duty setups
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
| N244em, N248em |
Adéquation de l'application
| Transmission systems, axle assemblies |
Need Reliable Cylindrical Roller Bearings? Avoid Costly Downtime with Proper Selection
Finding the right cylindrical roller bearing for your equipment can be challenging. Mismatched dimensions lead to installation delays, while low-quality bearings often fail prematurely, causing unexpected downtime. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process.
Conçu pour des performances constantes dans des environnements exigeants
Our cylindrical roller bearings, including models N244em and N248em, address these challenges through precision manufacturing and comprehensive supply chain support. Produced under ISO 9001 standards, these bearings deliver reliable performance in industrial gearboxes, automotive transmissions, and heavy machinery. With access to both international brands like Koyo and Timken, as well as domestic alternatives, we streamline your sourcing by offering multiple options for any specification. Performance optimale dans les applications à forte charge radiale
Cylindrical roller bearings excel in applications with heavy radial loads, such as rotating shafts in conveyor systems and gearbox assemblies. Their design allows for efficient load distribution across the rolling elements, making them suitable for high-speed operations. Proper selection based on load capacity, speed, and operating temperature is critical to prevent premature wear and ensure equipment longevity. Caractéristiques d'ingénierie clés pour une fiabilité à long terme
The N244em and N248em cylindrical roller bearings incorporate design elements that enhance performance. Their cylindrical rollers provide a larger contact area compared to ball bearings, enabling higher radial load capabilities. The em suffix indicates optimized internal geometry, which reduces friction and heat generation during operation. Precision-machined raceways ensure consistent rolling motion, while tight dimensional tolerances allow for interchangeability with major international standards, simplifying replacement and maintenance. Coût total de possession: pourquoi la qualité importe plus que le prix
Choosing a quality cylindrical roller bearing reduces long-term costs by minimizing downtime and maintenance. Inferior bearings with substandard material hardness or imprecise dimensions often fail early, leading to production interruptions and potential damage to surrounding components. Our bearings undergo rigorous testing, including dimensional checks and hardness verification, to meet industry standards. By investing in reliable components, you lower the total cost of ownership through extended service life and fewer replacements. Assurance qualité digne de confiance Our commitment to quality begins with strict raw material inspection and continues through every stage of production. All cylindrical roller bearings follow ISO 9001 certified manufacturing processes, with成品 subjected to comprehensive testing for尺寸 accuracy,表面 finish, and load capacity. We provide a warranty against manufacturing defects, ensuring you receive bearings that perform as expected. With a wide range of brands and models available, we can source the exact specification you need, whether it’s a standard size or a hard-to-find variant. Emballage neutre avec des matériaux de protection pour éviter les dommages pendant le transport
Disponibilité des stocks pour expédition rapide des modèles standard
Options d'expédition flexibles incluant le courrier express, le fret aérien et le transport maritime Faible quantité minimale de commande pour soutenir à la fois les petites réparations et la production à grande échelle
Obtenez votre devis de roulement à rouleaux cylindriques dès aujourd'hui
Whether you need N244em, N248em, or any other cylindrical roller bearing model, we can provide competitive pricing and availability. Simply share the bearing model, dimensions (bore, outer diameter, width), and quantity required, and our team will respond with a tailored quote. We handle all major brands and can assist with cross-referencing if you need alternatives to your current supplier. Foire aux questions Q: Fournissez-vous des roulements d'autres marques que et A: Yes, we offer a full range of international and domestic brands, including SKF, NSK, NTN, NACHI, IKO, FAG, and more. We can source any brand or model specified by the customer. Q: How can I confirm if the N244em/N248em bearing fits my equipment? A: Provide your equipment model or the required dimensions (d x D x B), and our technical team will verify compatibility with the bearing specifications. Q : Quelle est votre politique de garantie pour les roulements à rouleaux cylindriques ?
A: We provide a warranty covering manufacturing defects. The specific warranty period is outlined in each order confirmation, and defective products can be replaced or returned within the warranty timeframe. Q : Quelle est la quantité minimale de commande pour ces roulements ?
A: We accept low minimum order quantities, including single units for emergency repairs, and can accommodate large volume orders for production needs. Q: Combien de temps prend l'expédition pour les roulements en stock?
A: In-stock bearings are dispatched within 1-2 business days. Shipping time depends on the selected method: express courier (3-5 days), air freight (5-7 days), or sea transport (3-6 weeks). Q: Pouvez-vous fournir des roulements à rouleaux cylindriques personnalisés (OEM/ODM) ?
A: Yes, we support custom bearing production based on customer-provided drawings, specifications, or samples for specialized applications. 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 assistance.
Product Summary
- Product Name
- Koyo Timken N244em N248em 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
Koyo Timken N244em N248em Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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