Cylindrical Roller Bearing
ISO 9001 Certified
TS 16949
Genuine SKF
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Cylindrical Roller Bearing
Koyo N2305e NJ2305e NF2305e NU2305e NUP2305e Cylindrical Roller Bearing
Experience smoother, more reliable machinery performance with this precision-engineered Koyo Cylindrical Roller Bearing lineup, designed to minimize downtime and extend equipment lifespan. Available in N2305e, NJ2305e, NF2305e, NU2305e, and NUP2305e configurations, these bearings deliver consistent load distribution and reduced friction for critical industrial applications.
- Engineered with optimized cage design to enhance rotational stability under heavy radial loads
- Precision-ground raceways ensure quiet operation and minimal vibration, protecting sensitive components
- Versatile mounting options accommodate various shaft and housing arrangements, simplifying replacement
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
Need Koyo Cylindrical Roller Bearings? Find the Right NJ/N2305e Series Solution Here
Searching for the exact cylindrical roller bearing model can feel like navigating a maze of dimensions and specifications. Many buyers face costly delays when substitute parts fail to match original equipment requirements, or waste time coordinating with multiple suppliers for different brands. Even small mismatches in bearing width or load capacity can lead to premature wear and unexpected downtime.
Built for Reliable Performance Across Industries
Our NJ2305e, N2305e, NF2305e, NU2305e, and NUP2305e cylindrical roller bearings address these challenges through precision manufacturing and comprehensive inventory. As a specialized bearing supplier with ISO 9001-certified quality processes, we maintain ready stock of Koyo series bearings alongside compatible alternatives from leading international and domestic brands. This ensures you get the right cylindrical roller bearing for your application—whether it’s for hydraulic pumps, conveyor systems, or machine tool spindles—without unnecessary delays.
Rendimiento Óptimo en Condiciones Exigentes
These cylindrical roller bearings excel in high-radial-load applications where rigidity and durability are critical. Designed to accommodate axial displacement in one direction (NJ/NUP types) or both directions (NU types), they operate efficiently in temperatures ranging from -30°C to 120°C, making them suitable for industrial machinery exposed to varying environmental conditions. Whether your equipment experiences heavy shock loads in mining operations or continuous rotation in steel mills, the robust construction of these bearings minimizes vibration and extends service life. Características clave de ingeniería que importan The N2305e series incorporates several design elements that directly impact performance. The rollers are guided by a ribbed inner ring, ensuring precise alignment and uniform load distribution—critical for reducing friction and preventing edge stress. Cage designs optimize lubricant retention, while the separable inner or outer rings simplify mounting and maintenance, a valuable feature in space-constrained installations. Surface hardness of HRC 58-62 on raceways and rollers provides excellent wear resistance, while precision Class P0/P6 tolerances ensure compatibility with OEM specifications, eliminating costly rework during installation. Choosing the correct cylindrical roller bearing directly affects your bottom line. A bearing with insufficient dynamic load rating (C) will fail prematurely, leading to production downtime, replacement parts, and labor costs that far exceed initial savings from cheaper alternatives. Our focus on matching bearing specifications to application requirements—considering factors like rotational speed, load direction, and operating environment—helps minimize total cost of ownership. By adhering to ISO 281 standards for fatigue life calculation, we ensure each recommendation balances performance and cost-effectiveness. Calidad en la que puedes confiar
Every bearing undergoes rigorous quality control, starting with raw material inspection to verify chemical composition and mechanical properties. Finished products are tested for dimensional accuracy, surface finish, and hardness to meet international standards. We provide a manufacturer-backed warranty covering material and workmanship defects, with clear procedures for returns and replacements. Our multi-brand supply chain allows us to source bearings that meet your exact specifications, whether you require Koyo original or equivalent quality from other trusted manufacturers. Embalaje industrial estándar con protección anticorrosión
Envío el mismo día para artículos en stock
{{ZKF_O}}Opciones de envío flexibles que incluyen mensajería exprés, carga aérea y carga marítima
Bajo mínimo de cantidad de pedido, apoyando tanto pedidos de mantenimiento pequeños como grandes producciones
Obtenga su cotización de rodamientos de rodillos cilíndricos hoy
Whether you need a single N2305e bearing or bulk quantities of NJ2305e series, provide your required model, dimensions (d x D x B), and quantity, and we’ll deliver competitive pricing with clear lead times. Our technical team is available to help confirm compatibility with your equipment—just share your application details for personalized support. Preguntas Frecuentes
Q: ¿Puede suministrar otras marcas o modelos de rodamientos de rodillos cilíndricos?
A: Yes, we support inquiries for all major brands and models, including custom specifications. Our network includes both international manufacturers like SKF, NSK, NTN and domestic优质 brands, allowing us to source according to your exact requirements. Q: How do I confirm if the NJ2305e bearing fits my equipment? A: Provide your equipment model or existing bearing dimensions (inner diameter d, outer diameter D, width B), and our technical team will cross-verify compatibility with manufacturer specifications. P: ¿Cuál es su política de garantía para estos rodamientos? A: We provide a standard warranty covering manufacturing defects. The warranty period and terms are specified in each order confirmation, with clear procedures for returns or replacements if issues arise. Q: What is the minimum order quantity for Koyo N2305e series bearings? A: We offer low minimum order quantities, starting from single units for emergency replacements, with volume discounts available for larger orders. P: ¿Qué tan rápido pueden enviar los rodamientos después de realizar el pedido? A: In-stock items are shipped the same business day for orders received before 14:00 GMT. For non-stock models, lead times vary by manufacturer but are typically 3-7 business days. P: ¿Ofrecen personalización OEM/ODM para rodamientos de rodillos cilíndricos?
A: Yes, we support custom bearing manufacturing based on your drawings or specifications, including special materials, cage designs, and precision classes. Ready to order or need a quote?Why Bearing Selection Impacts Total Cost
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 N2305e NJ2305e NF2305e NU2305e NUP2305e 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 N2305e NJ2305e NF2305e NU2305e NUP2305e Cylindrical Roller Bearing
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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