Ensure smooth, precise rotation in your industrial machinery with this Needle Roller Bearing NA4914 NA4915 NA4916 (70x100x30mm). Crafted from high-grade bearing steel and available in P0-P4 precision grades, it delivers reliable performance under radial loads, reducing downtime and extending equipment lifespan.
| Parameter | Details |
|---|---|
| Model NO. | NA4914 |
| 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 | 70*100*30 mm |
| Trademark | BDL |
| Origin | China |
| HS Code | 8482102000 |
| Production Capacity | 1000000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Equipment, Reducers |
| Automotive | Transmission Systems, Axle Assemblies |
| Agricultural Machinery | Harvesters, Tractors |
| Construction | Excavators, Heavy Load Machinery |
| Manufacturing | CNC Machines, Conveyor Systems |
Industrial machinery operators know the cost of unexpected bearing failure—hours of production lost, expensive repairs, and missed deadlines. When standard bearings can’t handle radial loads in tight spaces, finding a reliable precision solution becomes critical. Many buyers struggle with long lead times for custom sizes or inconsistent quality from uncertified suppliers, leaving production lines vulnerable.
Our Needle Roller Bearing NA4914, NA4915, and NA4916 series (70x100x30mm) delivers the reliability industrial machinery demands. With P0-P4 precision ratings and C0-C4 clearance options, these bearings excel in high-load, limited-space applications like machine tool spindles and reducers. Backed by our ISO9001-certified production process and 12-month global warranty, we ensure consistent performance with 3–5 day sample lead times and bulk delivery within 5–15 days.
Designed as radial bearings without inner or outer rings, the NA4914 series maximizes load capacity in compact installations. Constructed from high-grade bearing steel and lubricated with grease or oil, these closed-type bearings withstand the rigors of continuous operation in manufacturing, automotive, and agricultural machinery. Whether handling the radial forces of a printing press or the shock loads of a tractor transmission, proper bearing selection directly impacts equipment lifespan and operational efficiency.
Precision rating is a critical factor—P0 for general industrial use, P4 for high-precision applications like CNC machine spindles where minimal runout is essential. Clearance options (C0 standard, C3/C4 for thermal expansion) ensure optimal performance under varying operating temperatures. The closed design protects internal components from contaminants, reducing maintenance needs, while the bearing steel construction provides the durability required for heavy-load scenarios. These technical details translate to longer bearing life and reduced unplanned downtime.
Choosing uncertified bearings may save upfront costs, but the hidden expenses add up. Early failure due to poor material quality or imprecise manufacturing leads to production halts, replacement labor, and potential damage to mating components. Our NA4914 series, produced in our ISO14001-certified facility with full R&D support, minimizes these risks. Each bearing undergoes rigorous QC testing, ensuring compliance with international standards and delivering consistent performance that lowers long-term operational costs.
Jinan Saifan Bearing has served global buyers across Europe, America, and Southeast Asia for over 18 years, building a reputation for stable supply and competitive pricing. Our in-house QC lab and full OEM/ODM capabilities mean we can meet custom specifications while maintaining strict confidentiality for brand partners. We offer flexible orders with 1pc MOQ for standard items, free samples (buyer covers freight), and multiple payment options including T/T and Alibaba Trade Assurance. Our technical team provides free guidance, and we stand behind every product with defect replacement or refund.
Don’t let bearing issues slow your production. Whether you need a single sample for testing or bulk orders for your assembly line, we’re ready to fulfill your request. Send us your bearing model, application details, and quantity, and our team will respond with a quote within 24 hours. The sooner you order, the sooner you can secure reliable rotation for your machinery.
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO9001-certified facility and come with full traceability documentation. We also supply authentic NSK/INA bearings for specific requirements.
Q: How do I confirm the NA4914 series is compatible with my equipment?
A: Provide your equipment model, operating load, speed, and temperature range. Our technical team will verify compatibility and recommend the optimal precision and clearance等级 for your application.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal operating conditions, we provide free replacement or a full refund.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard bearings like the NA4914 series, making us ideal for emergency repairs or small-scale projects.
Q: How quickly can you ship my order?
A: Standard items are shipped within 3–7 days. For bulk orders, delivery takes 5–15 days depending on quantity and destination.
Q: How can I verify the authenticity of the bearings?
A: Each bearing is marked with the BDL trademark and model number. We also provide batch test reports and certification documents upon request to confirm quality and origin.
Ready to order or need a quote?
Send your
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.
Read ArticleNavigate the Global Spherical Roller Bearing Market 2026 by addressing the structural divergence between wind energy precision and mining durability needs. Learn how quality control bottlenecks drive lead time volatility and why adopting mixed-brand sourcing strategies is essential for mitigating inventory risks in a fluctuating supply chain.
Read ArticleDiscover how China Deep Groove Ball Bearing Manufacturing Trends 2026 shift focus from price to reliability through advanced anti-corrosion packaging and strict batch consistency. Learn why moisture control and traceable steel sourcing are critical for reducing total cost of ownership in global exports.
Read ArticleOur R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.
