Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | NJ307, NJ307M, NJ307EM, NJ307ECM |
| Bearing Type | Cylindrical Roller Bearing |
| Bore Diameter (d) | 35mm |
| Outside Diameter (D) | 80mm |
| Width (B) | 21mm |
| Material | Bearing Steel, Chrome Steel, Ceramic, Nylon |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Cage | Iron Cage, Brass Cage, Nylon Cage |
| Precision Rating | P0, P6, P5, P4, P2 |
| Seals Type | Open |
| Standard | DIN, GB, ISO, JIS |
| Weight | 0.6 Kg |
| Package Size | 9cm×9cm×3cm |
| HS Code | 8482500090 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Reducer systems |
Struggling with Reducer Bearing Failures? The NJ307 Cylindrical Roller Bearing Delivers Reliable Performance
Many maintenance teams face the frustration of premature bearing failures in reducers—often caused by imprecise dimensions, poor material quality, or mismatched precision levels. Sourcing the exact cylindrical roller bearing model with the right fit and performance can mean the difference between smooth operation and costly downtime.
Engineered for Reducer Applications: NJ307 Cylindrical Roller Bearing
Our NJ307 Cylindrical Roller Bearing is designed to address these challenges, with dimensions of 35x80x21mm and precision ratings from P0 to P2 to meet diverse industrial needs. As a supplier with extensive experience in bearing distribution, we maintain a comprehensive inventory covering conventional models, ensuring you get the right part when you need it. Whether for new equipment assembly or replacement in existing reducers, this bearing’s separated structure allows for easy installation and maintenance, a critical advantage in time-sensitive industrial environments.
Optimal Performance in Reducer Environments
This cylindrical roller bearing excels in radial load applications typical of reducers, where consistent operation under varying torque is essential. Its open design allows for flexible lubrication options—oil, grease, or dry running—adapting to different operating conditions. The precision rating (P0-P2) ensures minimal vibration (V1-V2-V3-V4 grades), reducing noise and extending equipment life. For industries like steel mills, mining, or construction machinery that rely on reducer efficiency, selecting a bearing that matches both load requirements and dimensional accuracy is key to preventing unplanned shutdowns.
Key Engineering Features for Longevity
The NJ307’s performance is rooted in its core engineering details. The cage material options—iron, brass, or nylon—cater to specific application demands: brass cages offer high strength for heavy loads, while nylon cages reduce friction in high-speed scenarios. The bearing’s radial load capacity is enhanced by its cylindrical roller design, distributing stress evenly across the raceway. Precision ratings (P2 being the highest) ensure tight dimensional tolerances, critical for reducers where shaft and housing alignment directly impact gear meshing and overall efficiency. Additionally, the use of bearing steel and chrome steel materials provides excellent hardness and wear resistance, essential for withstanding the continuous stress of reducer operations.
Total Cost of Ownership: Why Quality Matters
Choosing a low-quality NJ307 Cylindrical Roller Bearing may seem cost-effective initially, but the hidden costs add up. Inferior materials often lead to early wear, resulting in increased vibration, noise, and eventual bearing failure. This not only requires replacement parts but also downtime for repairs and potential damage to adjacent components like gears or shafts. A precision-engineered bearing, however, reduces maintenance frequency and extends service intervals, lowering the total cost of ownership over time. By adhering to ISO standards and rigorous quality control, our bearings ensure consistent performance, helping you avoid the financial impact of unexpected equipment failures.
Quality You Can Verify
We prioritize transparency and reliability in every bearing we supply. Our production and inspection processes follow ISO 9001 standards, with raw material testing and成品 dimensional, hardness, and surface treatment checks to ensure compliance. Each NJ307 Cylindrical Roller Bearing comes with traceable documentation, and we offer a warranty against manufacturing defects. With the ability to source from a wide range of brands and support both standard and custom requirements, we provide a single-source solution for your bearing needs, eliminating the hassle of managing multiple suppliers.
Packaging & Shipping
- Packaged in cartons with pallets for bulk orders
- 3-10 days delivery time depending on quantity
- Flexible shipping options: express, air, or sea freight
- Low minimum order quantity supported
Get the Right NJ307 Bearing for Your Reducer
Whether you need a single NJ307 Cylindrical Roller Bearing for maintenance or bulk quantities for production, we can help. Provide your specific model requirements, quantity, and delivery location, and our team will confirm availability and pricing. With our large inventory and global shipping network, we ensure prompt delivery to keep your operations running smoothly.
Frequently Asked Questions
Q: Can you supply other brands or models of cylindrical roller bearings?
A: Yes, we support inquiries for all brands and models, providing bearings according to your specified requirements.
Q: How do I confirm if the NJ307 bearing fits my reducer?
A: Provide your equipment’s bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility.
Q: What is your warranty policy for this bearing?
A: We offer a warranty against manufacturing defects; specific terms are detailed in the sales contract.
Q: What is the minimum order quantity for the NJ307 bearing?
A: We accept low minimum order quantities, including single-unit purchases for emergency replacements.
Q: How long does shipping take for the NJ307 bearing?
A: In-stock items ship within 3-10 days; delivery time depends on the chosen shipping method and destination.
Q: Do you offer OEM/ODM customization for cylindrical roller bearings?
A: Yes, we support custom bearing production based on provided drawings or specifications.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
