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Cylindrical Roller Bearing
NSK NJ305 Cylindrical Roller Bearing Chrome Steel High Quality
Ensure smooth, high-speed operation with the NSK NJ305 Bearing, a precision cylindrical roller bearing designed to reduce downtime and boost reliability in your machinery. Crafted from durable bearing steel with a 25*62*17 mm specification, it handles radial loads effortlessly while maintaining low noise levels—perfect for maintaining consistent performance in industrial applications.
- Separated structure allows easy installation and maintenance, saving you valuable time during setup or repairs
- Available clearances (C0/C2/C3) and precision ratings (P0-P2) let you tailor performance to your specific equipment needs
- Grease or oil lubrication flexibility ensures compatibility with diverse operating environments, from heavy-duty to high-speed scenarios
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
Número de modelo
Tipo de Rodamiento
Rodamiento de Rodillos Cilíndricos
Tamaño del orificio (d)
15-240 mm Dimensión exterior (D)
35mm-400mm Ancho (B)
25*62*17 mm
Material
Acero para rodamientos
Dirección de Carga
Rodamiento Radial
Separado
Separado
Esférico
Rodamientos no alineantes
Lubricación
Grasa o Aceite
Clasificación de Precisión
P0, P6, P5, P4, P2
Liquidación
C0, C2, C3
Vibración
, Característica
Larga Vida, Alta Velocidad, Bajo Ruido
Origen
Japón Código HS
8482200000 Idoneidad de la Aplicación
Industria
Aplicaciones Típicas
Equipo de Automatización
Sistemas de transporte, cajas de engranajes
Maquinaria Industrial
Motores eléctricos, bombas
Metalurgia del Acero Molinos de laminación, líneas de procesamiento
Sistemas Hidráulicos
Finding the right cylindrical roller bearing for your equipment can be challenging. Mismatched dimensions lead to installation delays, while poor quality bearings often fail prematurely, causing costly downtime. With so many models and brands available, consolidating purchases from multiple suppliers wastes valuable time. Construido para un rendimiento fiable y a largo plazo
The NSK NJ305 cylindrical roller bearing addresses these pain points with its precision engineering and availability across multiple variants. As a professional bearing supplier, we maintain rich stocks of this model and its variants (NJ305/C3, NJ305E, etc.), ensuring quick delivery. Our ISO 9001 certified processes guarantee that each bearing meets strict quality standards, making it suitable for high-speed industrial applications like electric motors and conveyor systems. Dónde este rodamiento funciona mejor
This cylindrical roller bearing excels in radial load applications with moderate speeds. Its separated design allows for easy mounting and dismounting, ideal for maintenance in tight spaces. The non-aligning structure requires precise shaft alignment, making it perfect for gearboxes and pumps where shaft deflection is minimal. With a bore size range of 15-240 mm and outer dimensions up to 400 mm, it adapts well to various industrial machinery. Detalles de Ingeniería que Importan
The NJ305’s bearing steel construction provides excellent durability, with surface hardness optimized for wear resistance. Its radial load capacity ensures reliable performance in heavy-duty equipment like rolling mills. The available clearance options (C0, C2, C3) allow customization for thermal expansion needs—C3 clearance, for example, suits high-temperature environments where shaft growth is expected. Precision ratings from P0 to P2 mean you can select the right balance of accuracy and cost for your application, whether it’s a general-purpose motor (P0) or a precision machine tool (P2). Por qué la selección de rodamientos afecta el costo total
Choosing the correct cylindrical roller bearing directly impacts your total operating costs. A bearing with improper clearance can overheat and fail, leading to unplanned downtime and potential damage to adjacent components. Our NJ305 bearings, with their long life and low noise features, reduce replacement frequency and maintenance hours. By selecting the right variant (e.g., NJ305ETN1 for enhanced cage stability), you avoid the hidden costs of premature failures, making this bearing a cost-effective choice over its lifespan. Calidad en la que puedes confiar
Our NJ305 cylindrical roller bearings undergo rigorous testing through ISO 9001 certified processes. Raw materials are inspected for chemical composition and mechanical properties before production. Finished bearings are checked for dimensional accuracy, hardness, and surface finish to ensure they meet specification. We provide a warranty against manufacturing defects, with clear terms in our sales contracts. As a supplier with access to both international brands like NSK and domestic manufacturers, we can source or supply bearings according to your exact requirements, ensuring compatibility with your existing systems. Empacado en cajas con palés para pedidos al por mayor
Se admite un pedido mínimo bajo para requisitos a pequeña escala
Whether you need the standard NJ305, a C3 clearance variant, or another model from the NF/NJ305 series, we can provide pricing and availability. Simply share the specific model, quantity, and delivery location, and our team will prepare a quote promptly. With our extensive inventory, we can often ship within 24 hours of order confirmation. Preguntas Frecuentes
Q: ¿Suministran otras marcas o modelos de rodamientos además de A: Yes, we offer a full range of bearings including international brands (SKF, NTN, Koyo, etc.) and domestic options. We can source or supply any brand/model specified by the customer. Q: How can I confirm if the NJ305 is compatible with my equipment? A: Provide your equipment’s required bearing dimensions (bore, outer diameter, width) or existing model number, and our technical team will verify compatibility with the NJ305 series. P: ¿Cuál es su política de garantía para estos rodamientos? A: We provide a warranty against manufacturing defects. The specific duration and terms are outlined in our sales contracts, typically covering material and workmanship issues. Q: What is the minimum order quantity for the NJ305 bearing? A: We support low minimum order quantities, including single-unit purchases for emergency replacements, making it easy to test or maintain small equipment fleets. P: ¿Cuánto tiempo tarda el envío y qué métodos de transporte están disponibles?
A: In-stock bearings ship within 1-2 business days. Shipping time depends on location—express courier (3-5 days), air freight (5-7 days), or sea freight (3-4 weeks). We’ll recommend the most cost-effective option based on your timeline. Q: Can you provide OEM or ODM services for cylindrical roller bearings? A: Yes, we support OEM/ODM customization. Provide your drawings, specifications, or performance requirements, and we can manufacture bearings tailored to your application. Ready to order or need a quote?
NF305, NJ305, NJ305/C3, NJ305E, NJ305ETN1
Hydraulic pumps, actuators
Need a Reliable NJ305 Cylindrical Roller Bearing? Here’s What Matters
Packaging & Shipping
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Product Summary
- Product Name
- NSK NJ305 Cylindrical Roller Bearing Chrome Steel 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
NSK NJ305 Cylindrical Roller Bearing Chrome Steel High Quality
NDA protected · Free samples for orders > $50K · Reply within 12 hours
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