Ensure smooth, precise rotation in your industrial machinery with our Needle Roller Bearing series (RNA4840, RNA4844, RNA4840). Engineered to deliver P0-P4 precision, these bearings minimize downtime and enhance equipment reliability, even under heavy radial loads. Crafted from high-grade bearing steel with a closed design, they excel in applications requiring compact installation and consistent performance—ideal for machine tools, textile machinery, and printing equipment.
| Parameter | Details |
|---|---|
| Model NO. | RNA4840 |
| 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 |
| Carton Pallet | |
| Specification | 220*250*50 mm |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Equipment, Reducers |
| Automotive | Transmission Systems, Gearboxes |
| Agricultural Machinery | Harvesters, Tractors |
| Construction | Excavators, Heavy Load Machinery |
| New Energy | Wind Turbines, Solar Equipment |
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 the right precision grade and quick delivery can be a challenge, especially when dealing with multiple suppliers for different models.
Our RNA4840, RNA4844, and RNA4848 Needle Roller Bearings are designed to address these pain points. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality across every unit. With P0-P4 precision ratings, these bearings meet the strict requirements of industrial machinery, providing stable performance in machine tools, reducers, and printing equipment. Our 1pc MOQ and 3-7 day delivery time mean you can get the exact bearings you need without waiting for large orders.
These needle roller bearings excel in applications requiring high radial load capacity in a compact design. The closed type construction and bearing steel material ensure durability even under heavy loads and continuous operation. Without inner and outer rings, they offer space-saving solutions for machinery where installation dimensions are critical. Whether used in agricultural harvesters, construction excavators, or new energy equipment, these bearings deliver reliable rotation to keep your operations running smoothly.
The precision rating of a bearing directly impacts machinery performance. Our P0-P4 precision range allows you to select the exact level needed: P0 for general industrial use, P4 for high-precision applications like CNC machine tools. Clearance options (C0, C3, C4) accommodate different operating conditions—C3 and C4 provide extra space for thermal expansion in high-temperature environments. The closed design protects internal components from contaminants, reducing maintenance needs. With lubrication flexibility (grease or oil), these bearings adapt to various speed and load requirements, ensuring optimal friction reduction and heat dissipation.
Choosing genuine, high-quality needle roller bearings like our RNA4840 series minimizes long-term costs. Inferior bearings may have lower upfront prices but often fail prematurely, leading to unplanned downtime, replacement labor, and potential damage to connected components. Our bearings, backed by a 12-month global warranty, offer consistent performance and longer service life, reducing the frequency of replacements. With ISO certifications and strict quality control processes, we ensure each bearing meets international standards, providing peace of mind and reliability that cheap alternatives cannot match.
With over 18 years of experience manufacturing bearings for global buyers, we have built a reputation for reliability. Our full R&D and QC lab ensure each bearing undergoes rigorous testing before shipment. We offer free technical guidance to help you select the right bearing for your application, and our defect replacement policy ensures you receive only the best products. As a direct manufacturer, we provide competitive pricing without compromising quality. Our global distribution network allows us to serve customers across Europe, America, Southeast Asia, and the Middle East with efficient logistics and responsive support.
Don’t let bearing issues slow down your production. Whether you need RNA4840, RNA4844, RNA4848, or other industrial bearings, we have the expertise and inventory to meet your requirements. Send us your bearing model, application details, and quantity, and our team will provide a prompt quote to help you get back to full operation quickly.
Q: Are these needle roller bearings genuine and traceable?
A: Yes, we are an integrated manufacturer with strict quality control processes. Each bearing is produced in our ISO-certified facility and can be traced through our production records.
Q: How do I confirm if the RNA4840 bearing is suitable for my machine?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our technical team will assist with选型确认 to ensure compatibility.
Q: What is the warranty policy for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects. Defective products will be replaced or refunded according to our warranty terms.
Q: What is the minimum order quantity for RNA4840 bearings?
A: We accept 1pc MOQ for standard items, making it easy to order small quantities for maintenance or testing.
Q: How long does it take to ship after ordering?
A: Standard items have a 3-7 day delivery time. For large or custom orders, lead times will be confirmed during the quotation process.
Q: Can you provide OEM/ODM services for these needle roller bearings?
A: Yes, we offer full OEM/ODM customization to meet specific design requirements, including material, precision, and packaging options.
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High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
Master Sweden import duty thrust ball bearing costs by understanding that zero percent EU tariffs still incur twenty-five percent VAT. Avoid costly customs delays at Gothenburg port through accurate HS code 8482.50 classification and complete origin documentation to protect your distribution margins.
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