-- SKF Authorized Engineering Partner
NACHI 6304 Deep Groove Ball Bearing for Bicycle Parts
Keep your bicycle running smoothly and quietly with the reliable NACHI 6304 Bearing, designed to reduce friction and extend the life of your bike parts. Crafted from high-quality Bearing Steel, this deep groove ball bearing ensures consistent performance even during long rides, addressing common issues with wear and tear.
- Precision rating options (P0-P2) allow for tailored fit in various bicycle applications
- Single row design delivers optimal radial load support for smooth rotation
- Open seals type facilitates easy maintenance and lubrication with oil, grease, or dry conditions
- Product Name
- NACHI 6304 Deep Groove Ball Bearing for Bicycle Parts
- Category
- Cylindrical Roller Bearing
- Quality Standard
- ISO 9001 / TS 16949
- Lead Time
- 8-12 Weeks Custom
- Minimum Order
- Negotiable
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | Nj2307 Nj2307m |
| Bearing Type | Cylindrical Roller Bearing |
| Outer Dimension | 35mm-400mm |
| Specification | 35*80*31mm |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Radial Bearing |
| Separated | Separated |
| Structure | Cylindrical |
| Seals Type | Open |
| Lubricate | Oil Grease Dry |
| Precision Rating | P0 P6 P5 P4 P2 |
| Number of Row | Single Row |
| Trademark | NSK |
| Origin | Japan |
| HS Code | 8482500090 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Bicycle Parts |
Struggling with Bearing Selection for Bicycle Components? The NACHI 6304 Deep Groove Ball Bearing Delivers Reliability
Finding the right bearing for bicycle parts often means sifting through countless models, worrying about dimensional compatibility, or dealing with early wear from low-quality materials. When a bearing fails, it doesn’t just stop your bike—it disrupts your entire day. Whether you’re a manufacturer or a repair shop, the challenge lies in balancing performance, availability, and cost without compromising on quality.
Engineered for Consistent Performance in Bicycle Applications
The NACHI 6304 Deep Groove Ball Bearing addresses these pain points by combining precision engineering with versatile design. As part of our comprehensive bearing solutions, this model aligns with ISO 9001 standards, ensuring reliable production and inspection processes. With access to a wide range of brands—including NACHI, NSK, SKF, and more—we simplify sourcing, whether you need standard parts or hard-to-find replacements for bicycle components like hubs, bottom brackets, or gear systems.
Optimal Performance in Radial Load Environments
Designed as a radial bearing, the NACHI 6304 excels in applications where loads act perpendicular to the shaft, such as bicycle wheel hubs. Its single-row structure and open seal type make it suitable for environments where regular lubrication is manageable, while the bearing steel construction provides the durability needed to withstand the repetitive stresses of cycling. Whether used in road bikes, mountain bikes, or commuter models, this bearing maintains stable operation under varying speeds and load conditions.
Key Engineering Features That Impact Bicycle Performance
The 35mm bore diameter, 80mm outer diameter, and 31mm width (35*80*31mm) ensure compatibility with common bicycle component specifications, making it easy to integrate into existing assemblies. The precision rating options—from P0 to P2—allow you to choose the right balance between cost and accuracy: P0 for general use, P5 or P4 for higher precision applications where minimal vibration is critical. The separated design also simplifies maintenance, allowing for easy disassembly and re-lubrication, which is essential for extending bearing life in bicycle parts exposed to dust, moisture, and varying temperatures.
Why Choosing the Right Bearing Reduces Long-Term Costs
Opting for a quality bearing like the NACHI 6304 minimizes the hidden costs of frequent replacements and downtime. Low-quality bearings often fail prematurely due to subpar material hardness or imprecise dimensions, leading to bike repairs, customer complaints, and lost productivity. By contrast, this bearing’s robust construction and adherence to international standards ensure longer service life, reducing the total cost of ownership. When selecting a bearing, consider not just the upfront price, but the reliability and performance that prevent costly disruptions.
Quality You Can Trust in Every Bearing
Our commitment to quality starts with rigorous原材料检验 and成品 testing, including checks for dimensions, hardness, and surface treatment. All bearings are produced under ISO 9001-certified processes, ensuring consistency and reliability. We stand behind our products with a质保期, covering manufacturing defects for added peace of mind. With extensive现货库存 and support for OEM/ODM定制, we can meet both small and large order requirements, delivering the right parts when you need them.
Packaging & Shipping
- Packaged in cartons and pallets for secure transportation
- 现货库存 available for quick dispatch
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantity to support small-scale repairs and large production runs
Get a Quote for the NACHI 6304 Bearing Today
Whether you need the NACHI 6304 for bicycle parts or other applications, we’re ready to assist. Provide your required quantity, delivery location, and any specific brand or model preferences, and our team will promptly share pricing and availability. With access to a full range of bearings—from deep groove ball bearings to cylindrical roller bearings—we’re your single source for reliable bearing solutions.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands or models?
A: Yes, we offer a full range of bearings across international brands (including SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken) and domestic brands. We can source bearings according to your specified brand, model, or dimensions.
Q: How can I confirm if this bearing fits my bicycle components?
A: Provide the required dimensions (bore diameter, outer diameter, width) or the original model number, and our technical team will verify compatibility with your application.
Q: What is your warranty policy for bearings?
A: We provide a质保期 for all bearings, covering manufacturing defects. Specific terms are outlined in the sales contract, and defective products can be replaced or returned within the warranty period.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, making it suitable for both small-scale repairs and large production orders. Contact us for details based on your specific needs.
Q: How long does shipping take, and what logistics options are available?
A: For in-stock items, we ship within 1-3 business days. We offer express delivery (for urgent orders), air freight, and sea freight, with transit times varying by destination.
Q: Can you provide OEM or ODM customization for bearings?
A: Yes, we support OEM/ODM services, including custom dimensions, materials, and packaging, based on your technical 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.
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Authorized SKF Engineering Partner
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
15+ Certified Engineers On-Staff
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
ISO 9001 & TS 16949 Certified QC
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
Global Logistics to 50+ Countries
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Application Design
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
-- Get In Touch
Request a Technical Consultation & Quote
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
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Regarding: NACHI 6304 Deep Groove Ball Bearing for Bicycle Parts
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