Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 6307 |
| Seals Type | ZZ, 2RS, Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Transport Package | Carton Pallet |
| Specification | 35x80x21 mm |
| Trademark | NTN |
| Origin | NTN |
| HS Code | 8482102000 |
| Package Size | 10.00cm × 10.00cm × 4.10cm |
| Package Gross Weight | 0.480kg |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Automotive | Engine components, transmission systems, electric vehicle motors |
| Industrial Motors | AC/DC motors, generator sets, pump drives |
| General Machinery | Conveyors, gearboxes, agricultural machinery |
Stop Production Delays with Genuine NTN 6307 Deep Groove Ball Bearings
OEM manufacturers know the cost of bearing failure—unplanned downtime, production line shutdowns, and quality disputes from counterfeit parts. When your automotive motors or machinery rely on bearings, inconsistent supply chains and unclear traceability documentation only add risk to your operations.
Genuine NTN 6307 Bearings: In Stock and Traceable
As an official NTN distributor, we eliminate these pain points with direct access to the NTN supply chain. Our WMS real-time inventory ensures the NTN 6307 deep groove ball bearing—available in ZZ, 2RS, and open configurations—is ready for immediate dispatch. Each unit comes with full traceability documentation, critical for automotive OEMs and export compliance.
Engineered for Automotive and Motor Performance
The NTN 6307 bearing (35x80x21mm) delivers reliable radial load support in high-speed motor applications. Its single-row design and non-aligning structure make it ideal for tight spaces in automotive powertrains and industrial motor housings. With vibration grades up to Z3V3, it minimizes noise and extends equipment lifespan in continuous operation scenarios.
Technical Details That Matter for Your Equipment
Precision matters in bearing performance. The NTN 6307 offers precision ratings from P0 to P4, allowing you to match tolerance requirements to your application—whether it’s standard industrial use (P0) or high-precision motor spindles (P4). Seal options cater to specific environments: ZZ metal shields for high-temperature resistance, 2RS rubber seals for enhanced contamination protection, or open designs for oil lubrication systems. The bearing steel construction ensures durability under dynamic loads, while vibration classes Z1V1 to Z3V3 let you optimize for smooth operation in sensitive equipment.
Avoid the Hidden Costs of Counterfeit Bearings
Non-genuine 6307 2RS bearings may cost less upfront, but they often fail prematurely due to substandard materials and poor manufacturing. This leads to repeated replacements, unplanned maintenance, and production losses that far exceed initial savings. Our ISO 9001 compliant three-level inspection ensures every NTN bearing meets OEM standards, reducing total cost of ownership through reliable performance and longer service life.
Why Global Manufacturers Trust Our NTN Supply
With over 10 years serving 50+ countries, we’ve built a reputation for reliability in the bearing distribution industry. Our technical team provides application-specific guidance—from model selection to installation support—to ensure optimal bearing performance. As an authorized NTN partner, we offer flexible OEM customization, dedicated inventory reservation for long-term clients, and global door-to-door logistics. Every order includes complete export documentation, simplifying customs clearance for international shipments.
Packaging & Shipping
- Original NTN packaging with product traceability labels
- Carton pallet packaging for bulk orders, ensuring safe transit
- 3-7 business days delivery for in-stock items
- Multiple logistics options: DHL, FedEx, UPS, air, and sea freight
- Real-time shipment tracking provided for all orders
- Minimum order quantity: 1 unit, supporting both maintenance and production needs
Secure Your NTN 6307 Bearings Today
Don’t let bearing issues disrupt your production schedule. Send us your model requirements, application parameters, and order volume to receive a formal quotation within 24 hours. Our team can also arrange sample testing for quality verification before mass orders—ensuring the NTN 6307 bearing meets your exact specifications.
Frequently Asked Questions
Q: Are these genuine NTN bearings?
A: Yes, we are an official NTN authorized distributor. Every bearing comes with traceability documentation linking it to NTN’s original production batch, and we can provide brand authorization certificates upon request.
Q: How do I confirm if the 6307 bearing fits my motor?
A: Provide your motor model, operating speed, and load conditions. Our technical team will verify compatibility and recommend the appropriate seal type and precision等级 for your application.
Q: What is your warranty policy?
A: We adhere to NTN’s original warranty standards, covering manufacturing defects. Defective products will be replaced unconditionally with proper documentation of the issue.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, suitable for emergency maintenance or small-batch trials. Volume discounts apply to large OEM orders.
Q: How quickly can you ship?
A: In-stock NTN 6307 bearings are shipped within 3-7 business days. For custom OEM requirements, lead times will be specified in your quotation.
Q: How can I verify the authenticity of the bearings?
A: NTN bearings feature laser-etched markings, holographic labels, and unique serial numbers. We provide full traceability reports, and you can cross-verify via NTN’s official channels using the batch information provided.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
