Product Specifications
| Parameter |
Details |
| Model NO. |
RNAV4914, RNAV4916, RNAV4918, RNAV4919, RNAV4920 |
| Product Name |
Needle Roller Bearing |
| Load Direction |
Radial Bearing |
| Style |
Without Outer Ring, Without Inner Ring |
| Type |
Closed |
| Material |
Bearing Steel |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Clearance |
C0, C3, C4 |
| Specification |
80x100x30mm |
| Delivery Time |
3-7 days |
| Service |
OEM, ODM |
| Transport Package |
Carton, Pallet |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1,000,000 units |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Heavy-Duty Machinery |
| Manufacturing |
Conveyor Systems, Press Machines |
Eliminate Downtime with Reliable RNAV4914-4920 Needle Roller Bearings for Industrial Machinery
Industrial machinery operators often face unexpected production halts due to bearing failures, especially when using low-quality components that can’t withstand continuous radial loads. Sourcing precise needle roller bearings with flexible order options and fast delivery remains a challenge, leading to extended equipment downtime and lost revenue.
High-Precision Needle Roller Bearings Engineered for Industrial Performance
Our RNAV4914, RNAV4916, RNAV4918, RNAV4919, and RNAV4920 Needle Roller Bearings address these challenges with robust design and reliable performance. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P0-P4 precision standards, making them ideal for machine tools, printing equipment, and reducers where radial load capacity and dimensional accuracy are critical.
Optimized for Heavy-Duty Industrial Applications
These needle roller bearings excel in high-load industrial environments, supporting radial forces in machinery like conveyor systems and press machines. The closed-type design without inner or outer rings allows for compact installation, while bearing steel construction ensures durability under continuous operation. Whether used in agricultural harvesters or construction excavators, their C0-C4 clearance options provide flexibility for different operating conditions.
Technical Features That Maximize Machinery Efficiency
The 80x100x30mm dimensions of these needle roller bearings balance load capacity and space efficiency, crucial for tight industrial machinery assemblies. Precision ratings from P0 to P2 ensure minimal vibration and noise, directly reducing wear on adjacent components. Dynamic load handling is enhanced by the bearing steel material, which maintains structural integrity even under fluctuating loads common in manufacturing equipment. Grease or oil lubrication compatibility allows adaptation to specific machinery maintenance protocols, extending service life in diverse operating environments.
Why Genuine Bearings Reduce Total Cost of Ownership
Choosing authentic needle roller bearings eliminates the hidden costs of counterfeit products, such as premature failures and unplanned downtime. Our bearings undergo rigorous quality control in ISO-certified labs, ensuring consistent performance that lowers long-term maintenance expenses. Unlike low-grade alternatives, these bearings maintain precision under heavy loads, reducing energy consumption and extending machinery lifespan—ultimately delivering better value than cheaper, unreliable options.
Your Trusted Partner for Bearing Solutions Since 2005
With 18 years of experience serving global buyers, we stand behind our needle roller bearings with a 12-month warranty and free technical guidance. Our full R&D and QC lab ensure each bearing meets international standards, while flexible orders (1pc MOQ for standard items) and 3-7 day delivery cater to both emergency repairs and bulk requirements. We supply authentic bearings and offer OEM/ODM customization, supported by secure payment options including T/T, credit card, and Alibaba trade assurance. Our commitment to stable supply and competitive pricing has made us a reliable partner for industrial clients across Europe, America, Southeast Asia, and the Middle East.
Packaging & Shipping
- Secure carton packaging with pallet reinforcement for bulk orders
- 3-7 day delivery for standard items, ensuring minimal production delays
- Flexible shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all orders
- 1pc minimum order quantity, supporting emergency maintenance needs
Get Your RNAV Series Needle Roller Bearings Today
Don’t let bearing issues disrupt your production schedule. Whether you need a single RNAV4914 for urgent repairs or bulk RNAV4920 bearings for scheduled maintenance, we have the inventory and expertise to meet your needs. Contact us now to ensure your machinery operates at peak efficiency with reliable components.
Frequently Asked Questions
Q: Are these needle roller bearings authentic and traceable?
A: Yes, we are an ISO-certified manufacturer with full quality control processes. Each bearing is traceable through our production system, ensuring authenticity and compliance with industry standards.
Q: How do I confirm the correct RNAV model for my equipment?
A: Provide your machinery model or technical specifications (load, speed, dimensions), and our engineering team will help verify the correct bearing型号 for optimal performance.
Q: What warranty coverage do you offer?
A: All needle roller bearings come with a 12-month global warranty, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard models like RNAV4914-4920, ideal for emergency repairs or small-scale projects.
Q: How quickly can I receive my order?
A: Standard items ship within 3-7 days. For urgent needs, contact us to discuss expedited shipping options.
Q: Can you customize these bearings for specific applications?
A: Yes, we offer full OEM/ODM customization, including precision grades, clearances, and special lubrication options tailored to your requirements.
Ready to order or need a quote?
Send your bearing model, application details, and quantity to sales02@saifan-group.com — we’ll respond within 24 hours.
