Sep 19, 2026 · Installation & Maintenance
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Quote memo for this SKF bearing
State the exact execution (designation suffix), whether you need the complete assembly, and which housings or mounting accessories belong on the same line. Keep precision items separate, with accuracy class and arrangement.
Technical data
Specifications
Listed data for this SKF designation; confirm the execution and dimensions against your drawing or application before ordering.
| Category | Cylindrical Roller Bearing |
|---|
Product details
Especificaciones del Producto
| NJ307, NJ307M, NJ307EM, NJ307ECM |
| V1V2V3V4 |
| 9cm×9cm×3cm (9.00cm * 9.00cm * 3.00cm) |
| 0.6 Kg (0.600kg) |
Idoneidad de la Aplicación
Struggling with Reducer Bearing Failures? The NJ307 Cylindrical Roller Bearing Delivers Reliability
Many maintenance teams face the frustration of premature bearing failures in reducers—whether from misaligned shafts, inadequate precision, or substandard materials. A single bearing failure can halt production, leading to costly downtime and replacement parts. Finding a cylindrical roller bearing that balances precision, durability, and availability is key to avoiding these issues.
Engineered for Reducer Performance: NJ307 Cylindrical Roller Bearing
The NJ307 Cylindrical Roller Bearing is designed to address common reducer challenges. With dimensions of 35x80x21mm and precision ratings from P0 to P2, it meets the tight tolerance requirements of high-speed reducer applications. Our direct supply chain ensures access to this critical component without middlemen, supported by a large inventory that covers over 95% of conventional models for same-day shipping on spot goods.
Rendimiento Óptimo en Aplicaciones de Reductores
This bearing excels in radial load environments typical of reducers, where separated inner and outer rings allow for easy installation and maintenance. Its non-aligning design suits rigidly mounted shafts, while vibration grades V1 to V4 ensure smooth operation even at high rotational speeds. Whether in industrial gearboxes or precision machinery, the NJ307 delivers consistent performance under varying loads and operating conditions.
Características clave de ingeniería que importan
The NJ307’s performance is rooted in its core specifications. The precision rating (P0-P2) directly impacts rotational accuracy—higher precision (P2) reduces vibration and noise, critical for sensitive reducer systems. Material options, including bearing steel and chrome steel, offer durability against wear, while cage choices (iron, brass, nylon) allow customization for temperature and load requirements. The open seal design facilitates lubrication maintenance, ensuring proper grease distribution to extend service life. With radial load capacity optimized for reducer torque, this bearing minimizes the risk of premature failure under continuous operation.
Por qué los rodamientos de precisión reducen el costo total de propiedad
Choosing the right cylindrical roller bearing for your reducer isn’t just about upfront cost—it’s about long-term reliability. A bearing with inadequate precision (e.g., P0 when P5 is needed) may cause excessive vibration, leading to wear on gears and shafts, and requiring earlier replacement. The NJ307’s range of precision classes ensures you select the right fit for your application, reducing unplanned downtime and maintenance costs. By aligning bearing specifications with reducer requirements, you avoid the hidden expenses of frequent replacements and production interruptions.
Quality You Can Trust: From Factory to Installation
Our NJ307 Cylindrical Roller Bearings undergo strict quality control, adhering to ISO 9001 standards from raw material inspection to final dimension and hardness testing. Each unit comes with complete traceability documentation, including batch inspection reports, ensuring compliance with industry requirements. We stand behind our products with a factory warranty, covering manufacturing defects for added peace of mind. With direct access to global distribution channels, we guarantee 100% genuine products that meet original equipment specifications.
Embalaje y Envío
- Standard packaging: 9cm×9cm×3cm carton, with pallet options for bulk orders
- Delivery time: 3-10 days, depending on quantity and stock availability
- Shipping options: Express, air, or sea freight to most countries and regions
Cantidad mínima de pedido: Flexible, apoyando tanto compras de pequeño como de gran volumen
Get Your NJ307 Cylindrical Roller Bearing Quote Today
Whether you need a single NJ307 bearing for maintenance or bulk orders for production, we can fulfill your requirements. Provide your exact model, quantity, and delivery location, and our team will promptly share pricing and lead time. With our extensive inventory, we ensure you get the bearings you need when you need them.
Preguntas Frecuentes
Q: ¿Suministran otras marcas o modelos de rodamientos de rodillos cilíndricos?
A: Yes, we offer a complete range of cylindrical roller bearings from various international and domestic brands, and can source specific models according to your requirements.
Q: How can I confirm if the NJ307 bearing fits my reducer?
A: Provide your reducer model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NJ307 specifications.
Q: What is your warranty policy for the NJ307 bearing?
A: We provide a factory warranty covering manufacturing defects. Specific terms are detailed in the purchase contract, and defective products can be replaced or returned within the warranty period.
Q: What is the minimum order quantity for the NJ307 bearing?
A: Apoyamos cantidades mínimas de pedido bajas, incluyendo compras de una sola unidad para necesidades de mantenimiento de emergencia.
Q: How long does it take to ship the NJ307 bearing to my location?
A: For in-stock items, same-day shipping is available. Delivery typically takes 7-15 days to most countries via our global delivery network.
Q: Can you provide OEM or ODM services for cylindrical roller bearings?
A: Yes, we offer customized packaging, label printing, and technical documentation services according to customer requirements.
¿Listo para hacer un pedido o necesita una cotización?
Envíe el modelo del rodamiento, dimensiones (d x D x B) y cantidad; le responderemos con precios y tiempo de entrega.
Project buyers
Itemized SKF supply that keeps project schedules on track
"We submitted a long SKF list for a new project, mixing ball, roller, needle and thrust bearings. This supplier came back with itemized pricing, lead times and alternatives for two long-lead references. We could plan the procurement timeline without surprises."
Daniel KimKim Engineering Project · South Korea"When our project timeline shifted and we needed to split the delivery into three batches, the supplier worked with us on the schedule. Each batch arrived complete and on the agreed date. No holding costs, no rush shipping fees."
Mohammed Al-AminAl-Amin Contracting · Saudi ArabiaSame series
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Cylindrical Roller Bearing Cylindrical Roller Bearing SKF N309EM for Industrial Machinery with 45x100x25mm Size Where it runs
Applications for this bearing
Typical equipment and duty conditions this SKF bearing type is specified for.
Combine this bearing, its housing and accessories in one written quote
Standard and precision lines listed separately, each with model, stock, lead time and validity — so your comparison is line by line, not guesswork.
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Read the selection guideFAQ
Questions about quoting this SKF bearing
What details turn a product selection into a quotation request?+
Send the selected SKF model, quantity per line, accuracy requirement, mounting accessories, destination country and postcode, and the date you need the goods. Confirm the exact execution and whether you need the complete assembly. With that, Project Purchasing Company returns a written itemized quote.
How should precision items be distinguished from standard bearings?+
List precision bearings on separate lines with their accuracy class and arrangement or configuration. Keeping them apart from standard bearings prevents wrong pricing and wrong shipments on mixed project lists.
The SKF reference on my old drawing is incomplete. Can you still quote?+
Yes. Send a photo of the nameplate or bearing markings, and we list the information that still needs confirming. Any technical change or alternative model is clearly marked and requires your approval.
Can a project order be delivered in batches?+
Yes. Shipping method and delivery schedule are confirmed before dispatch, so batches can follow your installation timeline. On receipt, check labels, quantity and condition; any mismatch is handled with your order number and photos.
Request a quote
Get a written quote for NJ307 Cylindrical Roller Bearing 35x80x21mm for Reducer with P0-P2 Precision
Project Purchasing Company quotes every line by SKF model, with price and currency, stock, estimated lead time, validity and freight or tax terms. Add related bearings and accessories to the same request.