Ensure smooth, precise rotation for your industrial machinery with our Needle Roller Bearing—engineered to deliver reliable performance even under heavy loads. Available in models RNA4834, RNA4836, and RNA4838 (185x215x45mm), these radial bearings without outer rings minimize friction to extend equipment lifespan, solving common wear-and-tear issues in high-demand operations.
| Parameter | Details |
|---|---|
| Model NO. | RNA4834 |
| 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 | 185*215*45 mm |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Machinery, Reducers |
| Automotive | Transmission Systems, Gearboxes |
| Agricultural Machinery | Harvesters, Tractors |
| Construction | Excavators, Heavy-Duty Equipment |
| New Energy | Wind Turbines, Solar Panel Equipment |
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When low-quality bearings wear prematurely or fail under load, production lines grind to a halt, costing hours of lost output and expensive repairs. Sourcing reliable bearings with the right precision and delivery speed often means navigating minimum order quantities and long lead times—until now.
Our Needle Roller Bearing RNA4834, RNA4836, RNA4838 series delivers the reliability your machinery demands. Designed with P0-P4 precision and dimensions of 185x215x45mm, these radial bearings without outer rings excel in applications like machine tool spindles, printing presses, and reducers. With a 1pc MOQ for standard items and 3-7 day delivery, we eliminate the barriers to keeping your operations running smoothly.
This Radial Bearing Without Outer Ring is built to withstand the rigors of industrial machinery. Its closed design and bearing steel construction ensure durability under radial loads, while compatibility with both grease and oil lubrication allows adaptation to varying operating conditions. Whether your equipment operates at high speeds or handles continuous heavy loads, this bearing maintains stability and reduces wear, extending your machinery’s service life.
The performance of your industrial machinery depends on critical bearing specifications. Our P0-P4 precision rating ensures minimal runout and vibration, crucial for maintaining accuracy in CNC machines and printing equipment. Clearance options (C0, C3, C4) allow customization for thermal expansion and preload requirements, preventing premature failure in temperature-fluctuating environments. The bearing’s 185x215x45mm dimensions balance load capacity with compact design, making it ideal for space-constrained gearboxes and reducers.
Choosing authentic Needle Roller Bearings over counterfeit alternatives directly impacts your bottom line. Fake bearings often cut corners on material quality and precision, leading to early failure, increased energy consumption, and unplanned downtime. In contrast, our bearings—backed by ISO9001 certification—deliver consistent performance, reducing maintenance costs and extending service intervals. The initial investment in genuine bearings translates to lower total cost of ownership by minimizing production disruptions and replacement expenses.
Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East. Our integrated manufacturing and exporting capabilities ensure stable supply, while our full R&D and QC lab maintain rigorous quality control. We offer a 12-month global warranty, free technical guidance, and defect replacement or refund, standing behind every bearing we deliver. With OEM/ODM customization and flexible payment options including T/T, credit card, and Alibaba trade, we adapt to your specific needs.
Don’t let bearing issues slow down your production. Whether you need the RNA4834, RNA4836, RNA4838, or a custom solution, we’re ready to fulfill your order. Send us your bearing requirements, application details, and quantity, and we’ll ensure your machinery gets the precision components it needs to perform at its best.
Q: Are these genuine needle roller bearings?
A: Yes, we manufacture our bearings in-house with strict quality control and also supply authentic NSK/INA bearings, ensuring full traceability and compliance with industry standards.
Q: How do I confirm if the RNA4834 bearing fits my equipment?
A: Provide your equipment model or specific operating parameters (load, speed, temperature), and our technical team will verify compatibility and offer free选型 guidance.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard items, supporting both small-batch purchases and emergency maintenance needs.
Q: How long does shipping take?
A: Standard items have a 3-7 day delivery time, with flexible logistics options including express, air, and sea freight to meet your timeline.
Q: How can I verify the authenticity of the bearings?
A: Our bearings include product labels with model and batch information, and we can provide certification documents upon request to confirm authenticity and quality standards.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
Free samples available for distributors. 3–5 days production lead time.
5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.
ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.
12-month warranty plus dedicated technical failure analysis support.
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