Product Specifications
| Parameter |
Details |
| Model NO. |
RNA4909 |
| 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 |
52*68*22 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Machinery, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Heavy Load Equipment |
| New Energy |
Wind Turbines, Solar Equipment |
Eliminate Machinery Downtime with RNA4909 Needle Roller Bearing 52x68x22mm P0-P4 Precision
Industrial machinery operators often face unexpected production halts due to bearing failures—especially in high-precision applications like machine tools and reducers. Inconsistent quality from low-cost suppliers leads to premature wear, while long lead times for custom bearings leave equipment idle. Choosing the wrong needle roller bearing can compromise radial load capacity, increasing maintenance costs and reducing overall productivity.
Reliable RNA4909 Needle Roller Bearing for Immediate Production Needs
The RNA4909 Needle Roller Bearing 52x68x22mm addresses these challenges with P0-P4 precision ratings and a closed design, ensuring stable performance in industrial machinery. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we offer 1pc MOQ for standard items, 3–5 days sample lead time, and bulk delivery within 5–15 days. This flexibility allows you to maintain inventory levels without overstocking, while our OEM/ODM capabilities support custom specifications for unique equipment requirements.
Optimal Performance in Demanding Industrial Environments
Designed for radial load applications, the RNA4909 Bearing operates efficiently in machinery subject to continuous rotation, such as printing presses and conveyor systems. Its bearing steel construction provides durability under heavy loads, while the option for grease or oil lubrication allows adaptation to varying operating temperatures and speeds. Without inner or outer rings, this bearing minimizes space requirements, making it ideal for compact equipment designs where installation space is limited.
Technical Precision That Drives Machinery Efficiency
The RNA4909 52x68x22mm P0-P4 Bearing’s precision rating directly impacts machinery accuracy: P0 for general industrial use, P4 for high-precision applications like CNC machine tools. Clearance options (C0, C3, C4) accommodate thermal expansion and mounting tolerances, reducing vibration and extending service life. The closed type design prevents contamination, critical in dusty manufacturing environments, while the choice of lubrication ensures smooth operation even at elevated speeds. These technical details combine to deliver consistent performance, reducing unplanned downtime.
Why Compromising on Bearing Quality Costs More in the Long Run
Low-quality needle roller bearings may seem cost-effective initially, but they often fail prematurely, leading to expensive machinery repairs and production losses. Our RNA4909 Bearing adheres to strict quality control standards, supported by a full QC lab and 12-month global warranty. Defect replacement and refund policies ensure you’re protected against manufacturing issues, while our focus on stable supply chains mitigates raw material price fluctuations. Investing in reliable bearings reduces total cost of ownership by minimizing maintenance frequency and extending equipment lifespan.
Our Commitment to Your Production Success
With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for reliability. Our 1,000,000-piece annual production capacity ensures consistent supply, while free technical guidance helps optimize bearing selection for your specific application. Every RNA4909 Bearing undergoes rigorous testing before shipment, and we provide full traceability for quality assurance. Whether you need a single sample for testing or bulk orders for production, our flexible order system and responsive customer service make us a trusted partner for industrial machinery manufacturers.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- 3–7 days delivery for standard orders, with expedited options available
- Global shipping via T/T, credit card, or Alibaba trade for secure transactions
- Real-time tracking provided for all shipments
- 1pc minimum order quantity to support emergency repairs and small-batch production
Get Your RNA4909 Bearing Shipped Today
Don’t let bearing issues slow down your production schedule. The RNA4909 Needle Roller Bearing 52x68x22mm is in stock and ready to ship, with free samples available (buyer covers freight). Send us your requirements, and our technical team will confirm compatibility with your equipment, ensuring you get the right bearing the first time.
Frequently Asked Questions
Q: Is the RNA4909 Bearing genuine and quality-assured?
A: Yes, all our bearings are manufactured in-house under ISO9001 and ISO14001 certifications, with full quality control processes from raw material inspection to final testing.
Q: How do I confirm if the RNA4909 52x68x22mm Bearing fits my machinery?
A: Provide your equipment model or technical specifications (load, speed, operating conditions), and our engineering team will verify compatibility and recommend the optimal precision and clearance grade.
Q: What warranty coverage do you offer for the RNA4909 Bearing?
A: We provide a 12-month global warranty against manufacturing defects, with free replacement or refund available for non-conforming products.
Q: What is the minimum order quantity for the RNA4909 Needle Roller Bearing?
A: Standard items have a 1pc MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can I receive my order of RNA4909 Bearings?
A: Samples ship within 3–5 days, and bulk orders are delivered in 5–15 days. We also offer expedited shipping options for urgent requirements.
Q: How can I verify the authenticity of the RNA4909 Bearing?
A: Each bearing comes with a trace
Quality Assurance
100% Inspection
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Delivery
3-15 Days
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
Customization
Full OEM/ODM
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
After-Sales
12-Month Warranty
Professional technical guidance and failure solutions from our R&D team.
