Product Specifications
| Parameter |
Details |
| Model NO. |
NA4822 |
| 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 |
110*140*30 mm |
| Origin |
China |
| HS Code |
8482102000 |
| Production Capacity |
1000000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Equipment, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Construction |
Excavators, Heavy-Duty Equipment |
| Manufacturing |
CNC Machines, Conveyors |
Eliminate Downtime with High Precision NA4822 NA4824 NA4826 Needle Roller Bearings for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failure. When low-quality bearings wear prematurely, production lines stop, maintenance costs rise, and deadlines are missed. Sourcing reliable high-precision bearings often means navigating minimum order quantities that don’t fit urgent repair needs or waiting weeks for delivery. For machine tools and precision equipment, even small deviations in bearing performance can compromise product quality and increase energy consumption.
NA4822 NA4824 NA4826 Needle Roller Bearings: Engineered for Reliable Performance
Our Needle Roller Bearings address these challenges with precision-engineered solutions designed for industrial machinery. Available in P0-P4 precision grades, these bearings deliver consistent performance in critical applications like machine tool spindles and printing presses. With a 1pc MOQ for standard items and 3-7 day delivery, we eliminate the barriers to urgent repairs and small-batch production needs. Crafted from high-grade bearing steel, these closed-type radial bearings (110x140x30 mm for NA4822) provide the durability needed to withstand continuous operation.
Optimal Performance in Demanding Industrial Environments
NA4822, NA4824, and NA4826 Needle Roller Bearings excel in applications requiring high radial load capacity in limited space. Their compact design—without outer or inner rings—allows for direct mounting on shafts and housings, making them ideal for gearboxes, reducers, and machine tool carriages. Whether operating under heavy loads in agricultural equipment or maintaining precision in CNC machines, these bearings maintain stable rotation even at varying speeds. The ability to use either grease or oil lubrication ensures adaptability to different operating conditions, from high-temperature industrial settings to dusty construction sites.
Technical Excellence That Drives Machinery Performance
The performance of these Needle Roller Bearings is defined by critical technical features that directly impact machinery reliability. Precision ratings from P0 to P4 ensure tight dimensional control—P4 grade bearings, for example, minimize runout and vibration, essential for high-speed spindles where accuracy is paramount. Clearance options (C0, C3, C4) allow customization for thermal expansion needs; C3 clearance, for instance, accommodates temperature fluctuations in continuous operation. The closed design protects rolling elements from contaminants, extending service life in harsh environments. Made from premium bearing steel, these bearings balance hardness and toughness to resist wear and shock loads, reducing the risk of premature failure.
Invest in Quality: The Hidden Cost of Compromising on Bearings
Choosing substandard bearings may seem cost-effective initially, but the long-term consequences often outweigh the savings. Counterfeit or low-quality bearings typically fail early, leading to unplanned downtime that can cost thousands in lost production. A single bearing failure in a critical machine tool can halt an entire production line, while replacement parts and labor add to the expense. In contrast, our High Precision Needle Roller Bearings, backed by ISO9001 certification, deliver consistent performance that reduces maintenance frequency and extends equipment life. The 12-month global warranty further protects your investment, with defect replacement or refund available if issues arise—proving that quality bearings lower total cost of ownership over time.
Why Industrial Manufacturers Choose Saifan Bearings
With over 18 years of experience manufacturing bearings for global markets, Saifan Bearings combines technical expertise with reliable service. Our integrated production facility includes a full R&D department and QC lab, ensuring every bearing meets strict quality standards before shipment. We support OEM/ODM customization to match specific machinery requirements, from precision grades to special lubrication needs. Our flexible order system—1pc MOQ for standard items and 3-5 day sample lead time—accommodates both emergency repairs and planned production. Backed by ISO14001 environmental certification, we prioritize sustainable manufacturing practices. With customers across Europe, America, Southeast Asia, and the Middle East, we’ve built a reputation for stable supply and responsive after-sales support, including free technical guidance.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 days delivery time for standard orders
- Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking number provided for all shipments
- 1pc minimum order quantity to support small-batch and emergency needs
Get Your NA Series Needle Roller Bearings Today
Don’t let bearing issues disrupt your production schedule. Whether you need NA4822, NA4824, NA4826, or other industrial bearings, we can deliver the precision and reliability your machinery demands. Send us your bearing型号, application details, and quantity, and our team will provide a quote within 24 hours. With fast shipping and a 12-month warranty, you can trust that your equipment will stay operational with Saifan Bearings.
Frequently Asked Questions
Q: Are these needle roller bearings genuine and traceable?
A: Yes, all our bearings are manufactured in our ISO9001-certified facility and come with complete traceability documentation. We maintain strict quality control throughout production to ensure authenticity and performance.
Q: How can I confirm the NA4822 bearing is compatible with my machine?
A: Provide your equipment model, operating conditions (load, speed, temperature), and required precision grade. Our technical team will verify compatibility and recommend the optimal bearing solution at no cost.
Q: What warranty coverage do you offer on these bearings?
A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails due to material or production issues, we offer free replacement or a full refund.
Q: What is the minimum order quantity for NA4822 bearings?
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Tags:
High Precision Needle Bearing
Industrial Machinery Bearing
NA4822 Bearing
NA4824 Bearing
NA4826 Bearing
needle roller bearing
Needle Roller Bearing 110x140x30 mm
P0-P4 Precision Needle Roller Bearing
