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 |
| Precision Rating | P0, P6, P5, P4, P2 |
| Structure | Separated, Non-Aligning |
| Cage | Iron Cage, Brass Cage, Nylon Cage |
| Seals Type | Open |
| Lubrication | Oil, Grease, Dry |
| Vibration | V1, V2, V3, V4 |
| Standard | DIN, GB, ISO, JIS |
| Weight | 0.6 Kg (Package Gross Weight) |
| Package Size | 9cm × 9cm × 3cm |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Reducer systems, gearboxes |
Struggling with Reducer Bearing Failures? The NJ307 Cylindrical Roller Bearing Delivers Reliability
Many maintenance teams face the frustration of premature bearing failures in reducers—excessive vibration, early wear, and costly downtime. These issues often stem from imprecise dimensions, poor material quality, or mismatched precision ratings. Sourcing the right replacement can be equally challenging, with limited suppliers offering the full range of required specifications.
Engineered for Consistent Performance in Reducer Applications
The NJ307 Cylindrical Roller Bearing addresses these challenges with its robust design and precise manufacturing. As a key component in reducer systems, it handles radial loads efficiently while maintaining alignment under varying operating conditions. Our extensive inventory ensures quick access to this bearing and related models, supporting urgent maintenance needs without compromising on quality.
Optimal Performance in Demanding Reducer Environments
This bearing thrives in the harsh conditions typical of reducer applications, where consistent radial load handling and durability are critical. Its separated structure allows for easy installation and maintenance, while the non-aligning design ensures stable operation even in scenarios with minimal shaft misalignment. Whether operating in high-speed or heavy-duty industrial settings, the NJ307 Cylindrical Roller Bearing delivers reliable performance.
Key Engineering Features That Enhance Reliability
The NJ307 Cylindrical Roller Bearing’s performance is rooted in its precision engineering. Available in P0 to P2 precision ratings, it meets strict dimensional tolerance requirements, ensuring compatibility with various reducer models. The choice of cage materials—iron, brass, or nylon—allows customization based on operating temperature and load conditions. Its open design facilitates lubrication management, while the high-quality bearing steel construction provides excellent wear resistance, extending service life in continuous operation.
Why Precision and Material Quality Lower Total Costs
Selecting the right cylindrical roller bearing directly impacts equipment uptime and maintenance expenses. A bearing with subpar precision can cause excessive vibration, leading to premature wear of adjacent components and unplanned downtime. The NJ307’s strict quality control—from material selection to final inspection—minimizes these risks. By investing in a precision-engineered bearing like the NJ307, you reduce the need for frequent replacements and lower long-term maintenance costs, making it a cost-effective choice for reducer applications.
Quality You Can Trust in Every Bearing
Our commitment to quality ensures that every NJ307 Cylindrical Roller Bearing meets industry standards. We follow ISO 9001 certified processes, from raw material inspection to成品 testing, verifying dimensions, hardness, and surface finish before shipment. We offer a warranty on manufacturing defects, providing added assurance. With access to a wide range of brands and models, we can source bearings according to your specific requirements, ensuring compatibility and performance.
Packaging & Shipping
- Packaged in cartons with pallets for bulk orders, standard package size 9cm × 9cm × 3cm
- Delivery time: 3-10 days depending on quantity needed
- Flexible shipping options:快递,空运, or海运 based on your location and urgency
- Low minimum order quantity supported, ideal for both small maintenance needs and large-scale procurement
Get the Right NJ307 Cylindrical Roller Bearing for Your Reducer
Whether you need a single replacement or bulk quantities, we can provide the NJ307 Cylindrical Roller Bearing with the precision rating and specifications you require. Share your model number, quantity, and delivery location, and our team will promptly confirm availability and pricing, helping you minimize downtime and keep your equipment running smoothly.
Frequently Asked Questions
Q: Do you supply other brands or models of cylindrical roller bearings?
A: Yes, we offer a full range of cylindrical roller bearings across various brands and models, and can source according to your specific requirements.
Q: How can I confirm if the NJ307 bearing fits my reducer?
A: Provide your reducer model or the required dimensions (bore diameter, outside diameter, width), and our technical team will verify compatibility.
Q: What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. Specific terms are outlined in the sales contract.
Q: What is the minimum order quantity for the NJ307 bearing?
A: We support low minimum order quantities, including single-unit purchases for emergency replacements.
Q: How quickly can you ship the NJ307 bearing?
A: Stock items ship within 3-10 days; delivery time varies based on order quantity and shipping method.
Q: Do you offer OEM or ODM services for this bearing?
A: Yes, we support OEM/ODM customization, including special packaging and marking as per customer requirements.
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.







