Product Specifications
| Parameter | Details |
|---|
| Model NO. | NJ307, NJ307M, NJ307EM/NJ307ECM |
| Bore Diameter (d) | 35 mm |
| Outside Diameter (D) | 80 mm |
| Width (B) | 21 mm |
| Material | Bearing Steel, Chrome Steel, Ceramic, Nylon |
| Structure | Cylindrical, Separated |
| Load Direction | Radial Bearing |
| Aligning | Non-Aligning Bearings |
| Cage | Iron Cage/Brass Cage/Nylon Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
| Standard | DIN, GB, ISO, JIS |
| Package Size | 9cm×9cm×3cm |
| Package Gross Weight | 0.6 Kg |
| Origin | China |
| HS Code | 8482500090 |
Application Industries
| Industry | Typical Equipment |
|---|
| Manufacturing | Reducer OEMs, Gearboxes, Electric Motors |
| Industrial Maintenance | Factory Machinery Repair, Conveyor Systems |
| Automotive | Transmission Systems, Axle Assemblies |
| Machinery | CNC Machines, Pumps, Compressors |
Reduce Downtime with Genuine SKF NJ307 Cylindrical Roller Bearings
Maintenance teams know the cost of unexpected reducer failures—hours of production lost, emergency repair fees, and missed deadlines. When replacement bearings fail prematurely due to inconsistent quality or incorrect specifications, the cycle repeats. Sourcing reliable separated structure bearings for critical equipment like reducers often means coordinating with multiple suppliers, each with different lead times and quality standards.
Authorized SKF Solution for Reducer OEMs and Maintenance Teams
As an official SKF authorized solution provider, we deliver the SKF NJ307 cylindrical roller bearing with 35x80x21mm dimensions—specifically engineered for reducer applications. Our one-stop procurement process eliminates the hassle of managing multiple suppliers: submit your complete list, and our team provides cross-brand model matching and unified quotations within one working day, including full authorization and quality inspection documents.
Engineered for Demanding Reducer Environments
The SKF NJ307 cylindrical roller bearing features a separated structure that simplifies installation and maintenance—a critical advantage in reducer assemblies where space and accessibility are limited. Its radial load capacity makes it ideal for high-torque applications, while the non-aligning design ensures stable performance under heavy loads. Whether your equipment operates in continuous production environments or intermittent duty cycles, this bearing delivers consistent reliability.
Technical Specifications That Matter for Reducer Performance
The 35mm bore diameter and 80mm outer diameter of the SKF NJ307 bearing are precision-machined to meet ISO standards, ensuring compatibility with standard reducer shafts and housings. Available precision ratings from P0 to P2 allow customization for applications requiring tight tolerances, while cage options (iron, brass, or nylon) accommodate different temperature and speed requirements. The open seal design provides flexibility for lubrication management, critical for maintaining optimal performance in reducer gearboxes.
Why Genuine SKF Bearings Lower Total Cost of Ownership
Counterfeit bearings may offer lower upfront costs, but they often fail within months, leading to unplanned downtime and expensive repairs. Genuine SKF NJ307 bearings, backed by SKF's global quality standards, deliver longer service life and predictable performance. Our full-process quality control ensures each bearing meets SKF specifications, reducing the risk of premature failure and the hidden costs associated with production interruptions.
Your Trusted Partner for Industrial Bearings
With official full-category SKF authorization, we provide complete traceability for every bearing—from manufacturing to delivery. Our sealing and lubrication engineering team offers expert support for application-specific requirements, ensuring you select the right bearing for your reducer. We serve over 900 clients across 50+ countries, with fast emergency maintenance delivery to minimize downtime. All products undergo consolidated inspection before shipment, and a dedicated contact handles technical consultation and after-sales support throughout your project cycle.
Packaging & Shipping
- Carton packaging with pallet reinforcement for bulk orders
- Delivery time: 3-10 days depending on quantity
- Logistics options: DHL, FedEx, UPS, air, or sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity: 1 piece, supporting emergency repairs
Get Your SKF NJ307 Bearing Today
Don’t let equipment downtime affect your bottom line. Whether you need a single bearing for emergency maintenance or a bulk order for OEM production, we have the SKF NJ307 cylindrical roller bearing in stock and ready to ship. Send us your requirements, and our team will confirm availability and provide a detailed quote within 24 hours.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized solution provider. Every bearing comes with complete authorization documents and traceability to ensure authenticity.
Q: How do I confirm if the NJ307 is compatible with my reducer?
A: Provide your reducer model or shaft/housing dimensions, and our engineering team will verify compatibility and recommend the appropriate configuration.
Q: What is your warranty policy?
A: All SKF bearings are covered by the manufacturer’s warranty against manufacturing defects. We handle all warranty claims directly with SKF for efficient resolution.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency maintenance needs as well as large-scale projects.
Q: How quickly can you ship?
A: In-stock items ship within 3-10 days. For urgent orders, we offer priority delivery options upon request.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with防伪标签 and laser marking. We also provide certification documents for verification through SKF’s official channels.
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