Product Specifications
| Parameter |
Details |
| Model NO. |
RNAV4008 |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Material |
Bearing Steel |
| Type |
Closed |
| Product Name |
Needle Roller Bearing |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0 P6 P5 P4 P2 |
| Clearance |
C0 C3 C4 |
| Delivery Time |
3-7days |
| Service |
OEM ODM |
| Transport Package |
Carton Pallet |
| Specification |
51.6*68*28 mm |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| New Energy |
Wind Turbines, Solar Equipment |
| Home Appliances |
Motors, Pumps |
Reduce Downtime with Precision RNAV4008 Needle Roller Bearings for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When low-quality bearings fail prematurely, production lines stop, maintenance costs rise, and deadlines are missed. Sourcing reliable bearings with flexible order options and quick delivery can be a constant challenge for manufacturers and distributors alike.
Precision Needle Bearings Engineered for Reliable Performance
The RNAV4008 Needle Roller Bearing addresses these challenges with its P0-P4 precision rating and robust bearing steel construction. Designed for radial load applications, this 51.6x68x28mm bearing offers the durability needed for industrial machinery such as machine tools and reducers. With our 1pc MOQ for standard items and 3-7 day delivery time, we provide the flexibility to meet both emergency repairs and regular production needs.
Optimal Performance in Demanding Industrial Environments
This closed-type needle roller bearing excels in high-load industrial applications where space is limited. Its design without inner and outer rings allows for compact installation while maintaining high radial load capacity. Whether operating in machine tool spindles or printing equipment, the RNAV4008 delivers consistent performance under varying speeds and load conditions, supported by either grease or oil lubrication options.
Key Technical Features That Matter for Your Machinery
The precision rating of P0-P4 ensures minimal runout and vibration, critical for maintaining machining accuracy in CNC equipment. Clearance options (C0, C3, C4) allow customization based on operating temperature and load conditions, preventing premature failure due to thermal expansion or improper fit. The bearing steel material provides excellent wear resistance, extending service life even in high-cycle industrial applications. Closed-type design offers enhanced contaminant protection compared to open bearings, reducing maintenance requirements in dusty manufacturing environments.
Why Genuine Precision Bearings Deliver Lower Total Cost
Choosing genuine precision needle roller bearings like the RNAV4008 reduces the hidden costs associated with counterfeit or low-quality alternatives. Inferior bearings often fail prematurely, leading to unplanned downtime, increased labor costs for replacements, and potential damage to mating components. Our bearings, manufactured under ISO9001 and ISO14001 certifications, provide consistent quality that lowers long-term maintenance expenses and improves overall equipment effectiveness.
Your Trusted Partner for Bearing Solutions Since 2005
With 18 years of experience serving global buyers across Europe, America, Southeast Asia, and the Middle East, Jinan Saifan Bearing has established a reputation for reliability. Our in-house R&D and quality control lab ensure each bearing meets strict performance standards. We offer a 12-month global warranty, free technical guidance, and defect replacement or refund policies. Our production capacity of 1,000,000 units annually guarantees stable supply, while OEM/ODM customization services meet specialized application requirements.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3-7 days delivery time for standard orders
- Flexible shipping options including express, air, and sea freight
- Real-time logistics tracking provided for all shipments
- 1pc minimum order quantity supported for emergency repairs
Get Your RNAV4008 Bearings Delivered Fast
Don't let bearing issues slow down your production. Whether you need a single replacement bearing or bulk order for your machinery, we're ready to fulfill your request. Send us your specifications and quantity requirements today to get started.
Frequently Asked Questions
Q: Are these genuine bearings?
A: Yes, we are an integrated bearing manufacturer with full quality control processes. Each bearing is produced in our ISO9001 & ISO14001 certified facility and comes with traceability documentation.
Q: How can I confirm if the RNAV4008 is suitable for my equipment?
A: Provide your equipment model, operating conditions (load, speed, temperature), and application details. Our technical team will verify compatibility and provide guidance at no cost.
Q: What warranty do you offer on the RNAV4008 bearings?
A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions within the warranty period, we offer free replacement or refund.
Q: What is the minimum order quantity for the RNAV4008?
A: The minimum order quantity is 1 piece for standard items, supporting both emergency repairs and small-batch requirements.
Q: How quickly can you ship the RNAV4008 bearings?
A: Standard delivery time is 3-7 days. We offer expedited shipping options for urgent requirements, with tracking information provided once shipped.
Q: Can you provide custom packaging or labeling for the bearings?
A: Yes, we offer OEM/ODM services including custom packaging, labeling, and branding to meet your specific requirements.
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