Product Specifications
| Parameter |
Details |
| Model NO. |
RNA4903 |
| 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 |
22*30*13 mm |
| Trademark |
BDL |
| 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 |
| Home Appliances |
Electric Motors, Pumps |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
Stop Equipment Downtime with RNA4903 22x30x13mm Needle Roller Bearing for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often fail prematurely, leading to production delays and costly repairs. Sourcing reliable radial bearings with flexible MOQ and fast delivery can be a challenge, especially when dealing with custom specifications or urgent replacement needs.
Precision Engineered RNA4903 Radial Bearing for Reliable Performance
Our RNA4903 22x30x13mm Needle Roller Bearing is designed to address these pain points. As an integrated manufacturer with over 15 years of experience, we ensure consistent quality through our ISO9001 and ISO14001 certified production processes. This radial bearing, with its compact 22x30x13mm dimensions, is ideal for applications requiring high load capacity in limited space, such as machine tool spindles and printing equipment reducers. We offer 1pc MOQ for standard items, ensuring you can source exactly what you need without excess inventory.
Optimal Performance in Demanding Industrial Environments
The RNA4903 Needle Roller Bearing excels in radial load applications where space is constrained. Its closed design and bearing steel construction provide durability in various operating conditions, from standard industrial environments to more challenging settings with moderate vibration. The bearing’s ability to handle both grease and oil lubrication allows flexibility in maintenance routines, ensuring reliable rotation in continuous-duty machinery like conveyor systems and agricultural equipment.
Key Technical Features That Ensure Longevity
Several critical parameters define the performance of the RNA4903 Radial Bearing. Our precision rating options (P0-P4) allow you to select the right balance of accuracy and cost for your application—P4 grade for high-precision machine tools or P0 for general industrial use. Clearance options (C0, C3, C4) accommodate thermal expansion and mounting requirements, with C3 and C4 providing extra space for applications prone to temperature variations. The bearing’s closed design helps retain lubrication and prevent contamination, extending service life in dusty or debris-prone environments.
Why Genuine Bearings Matter for Your Bottom Line
Choosing genuine Needle Roller Bearings like the RNA4903 over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often lack proper heat treatment, leading to early fatigue and potential equipment damage. A single bearing failure can cause unplanned downtime costing thousands in lost production. Our bearings, manufactured to international standards, come with a 12-month global warranty, ensuring you’re covered against manufacturing defects. Investing in quality bearings lowers total cost of ownership by reducing maintenance frequency and extending equipment life.
Our Commitment to Your Production Success
Jinan Saifan Bearing has served global buyers since 2005, building a reputation for reliability across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab ensure each bearing meets strict performance standards before shipment. We offer free technical guidance to help you select the right bearing for your application, and our defect replacement policy provides peace of mind. With a production capacity of 1,000,000 units, we maintain stable supply even for large orders, supported by 3-5 day sample lead times and 5-15 day bulk delivery.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3-7 days delivery time for standard orders
- Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all shipments
- 1pc minimum order quantity to support emergency repairs and small-batch needs
Get Your RNA4903 Bearing Shipped Today
Don’t let equipment downtime affect your production schedule. The RNA4903 22x30x13mm Needle Roller Bearing is in stock and ready to ship. Whether you need a single replacement or bulk order, we can fulfill your request quickly. Early ordering ensures minimal disruption to your operations—contact us now to get your machinery back to peak performance.
Frequently Asked Questions
Q: Is this RNA4903 bearing an authentic product?
A: Yes, we are a direct manufacturer with full quality control processes. Each bearing is produced under ISO9001 certification and can be traced through our production records.
Q: How can I confirm if the RNA4903 22x30x13mm bearing fits my equipment?
A: Provide your equipment model or specific application requirements, and our technical team will verify compatibility and offer free选型 guidance.
Q: What is the warranty policy for this needle roller bearing?
A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded at no additional cost.
Q: What is the minimum order quantity for the RNA4903 bearing?
A: We accept 1pc MOQ for standard items, making it suitable for emergency repairs and small-scale projects.
Q: How long does it take to ship the RNA4903 bearing?
A: Standard delivery time is 3-7 days. We offer DHL, FedEx, UPS, air, and sea freight options to meet your timeline requirements.
Q: How can I ensure the bearing I receive is not counterfeit?
A: Our bearings come with clear product labeling and packaging. We can provide production batch records and certification documents upon request to verify authenticity.
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