Product Specifications
| Parameter |
Details |
| Model NO. |
RNA6918 |
| 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 |
105*125*63 mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive Manufacturing |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction Machinery |
Excavators, Heavy Load Equipment |
| New Energy |
Wind Turbines, Solar Equipment |
Stop Equipment Downtime with Precision RNA6918 Needle Roller Bearings
Industrial machinery operators know the cost of unexpected bearing failure—downtime, repair expenses, and missed production deadlines. Many face challenges with generic bearings that fail prematurely under heavy loads or struggle to find suppliers who can deliver both standard and custom solutions quickly. When your machine tools or reducers need reliable rotation, choosing the wrong bearing isn’t just an expense; it’s a risk to your entire operation.
Engineered for Reliable Performance in Industrial Machinery
Our Needle Roller Bearing RNA6918 is designed to address these pain points, offering P0-P4 precision and a robust 105x125x63mm specification that fits critical industrial applications. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality through full R&D and QC lab testing. Whether you need a single unit for emergency replacement or bulk orders for production lines, our 1pc MOQ and 3-7 day delivery window keep your operations running without unnecessary delays.
Optimal Performance in Heavy-Duty Industrial Environments
This Needle Roller Bearing excels in radial load applications, making it ideal for machine tool spindles, printing presses, and reducer assemblies where space is limited but load capacity is critical. Its closed design and bearing steel construction provide durability in high-stress environments, while the option for grease or oil lubrication allows adaptation to specific operating conditions. When your equipment demands precision rotation under continuous use, the RNA6918 delivers the stability needed to minimize maintenance and maximize uptime.
Key Technical Features That Drive Performance
The RNA6918’s precision rating (P0-P4) ensures tight tolerance control, reducing vibration and noise in high-speed applications—a critical factor for machine tools requiring accurate workpiece finishing. Its clearance options (C0, C3, C4) allow customization for thermal expansion needs, preventing seizure in temperature-fluctuating environments. The bearing’s radial load design, combined with its 63mm width, provides exceptional load-carrying capacity without sacrificing compactness, making it suitable for space-constrained industrial machinery. Additionally, the closed type construction protects internal components from contaminants, extending service life in dusty or debris-prone settings.
Why Genuine Bearings Reduce Long-Term Costs
Opting for counterfeit or low-quality needle roller bearings may seem cost-effective initially, but the hidden expenses add up. Premature failure can lead to unplanned downtime costing thousands in lost production, while substandard materials may damage mating components, increasing repair bills. Our RNA6918 bearings, backed by 12-month global warranty, undergo rigorous testing to meet international standards, ensuring reliable performance and reducing total cost of ownership. With free technical guidance and defect replacement available, we stand behind every bearing we supply, so you can focus on your operations, not maintenance.
Our Commitment to Reliable Supply and Service
With over 18 years of experience serving global buyers across Europe, America, and Southeast Asia, Jinan Saifan Bearing has built a reputation for stable supply and competitive pricing. Our production capacity of 1,000,000 units ensures we can meet both small and large orders, while OEM/ODM customization support allows us to tailor bearings to your specific requirements. We provide free samples (buyer covers freight) for testing, and our quality control process—from raw material inspection to final product testing—ensures consistency. When you partner with us, you gain access to a dedicated team offering post-purchase technical support and a streamlined ordering process with flexible payment options including T/T, credit card, and Alibaba trade assurance.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 days delivery time for standard orders
- Flexible shipping options: DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all shipments
- 1pc MOQ available for emergency repairs and small-batch needs
Get Your RNA6918 Bearing Shipped Today
Don’t let equipment downtime affect your bottom line. Whether you need a single RNA6918 bearing for an urgent repair or are planning bulk orders for upcoming production, our team is ready to assist. Send us your requirements, and we’ll provide a prompt quote and ensure timely delivery to keep your machinery running at peak performance.
Frequently Asked Questions
Q: Are these genuine Needle Roller Bearings?
A: Yes, we are an integrated manufacturer with full quality control processes. Each bearing is produced in our ISO9001/ISO14001 certified facility and comes with traceable production records.
Q: How can I confirm if the RNA6918 fits my equipment?
A: Provide your equipment model or specific dimensional requirements, and our technical team will verify compatibility and offer guidance on precision and clearance options.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or refund.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard items, making it easy to source emergency replacements or test samples before placing bulk orders.
Q: How quickly can you ship the RNA6918 bearing?
A: Standard orders ship within 3-7 days. For urgent needs, contact our sales team to discuss expedited options.
Q: Do you offer OEM/ODM services for this bearing?
A: Yes, we
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.
