Product Specifications
| Parameter |
Details |
| Model NO. |
NK20/20 |
| 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 |
20*28*20 mm |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Machinery, Reducers |
| Automotive |
Transmission Systems, Gearboxes |
| Agricultural Machinery |
Harvesters, Tractors |
| Home Appliances |
Motors, Pumps |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
Prevent Equipment Downtime with NK20/20 Needle Roller Bearing for Industrial Machinery
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When radial bearings in machine tools or reducers fail prematurely, production lines halt, maintenance costs rise, and delivery deadlines are missed. Sourcing reliable precision bearings with flexible order options and fast delivery can be a constant challenge for maintenance teams and purchasing managers.
NK20/20 Radial Bearings: Precision Engineered for Industrial Reliability
The NK20/20 Needle Roller Bearing addresses these challenges with its 20x28x20mm precision design and P0-P4 accuracy grades. As an integrated manufacturer with full R&D capabilities and ISO9001 certification, we ensure each bearing meets strict quality standards. Whether for machine tool spindles requiring tight tolerances or printing machinery needing consistent performance, this radial bearing delivers the reliability industrial equipment demands. With 1pc MOQ for standard items and 3-7 days delivery, we support both emergency repairs and planned maintenance schedules.
Optimal Performance in Critical Industrial Applications
This Needle Roller Bearing excels in radial load applications where space is limited, making it ideal for compact industrial machinery. Its closed design and bearing steel construction provide durability in high-load environments, from agricultural equipment gearboxes to precision machine tool components. The ability to handle both grease and oil lubrication allows adaptation to various operating conditions, ensuring consistent performance in temperatures typical of industrial settings. Properly selected clearance grades (C0, C3, C4) further optimize performance for specific speed and temperature requirements.
Technical Specifications That Impact Machinery Performance
The NK20/20's precision rating directly influences machinery accuracy—P4 grade bearings reduce vibration in high-speed spindles, while P0 offers reliable performance for general industrial use. Clearance selection affects thermal expansion compensation; C3 clearance is recommended for applications with temperature variations, preventing seizure during operation. The bearing's closed type construction provides effective contamination protection in dusty industrial environments, extending service life compared to open designs. Material selection of high-quality bearing steel ensures excellent wear resistance, critical for maintaining precision in continuous-duty equipment like conveyors and compressors.
Long-Term Value of Quality Needle Roller Bearings
Choosing genuine precision bearings eliminates the hidden costs of counterfeit products. Low-quality bearings often fail prematurely, leading to unplanned downtime that can cost manufacturers thousands in lost production. Our NK20/20 bearings, backed by ISO9001 certification and a 12-month global warranty, provide predictable performance and lower total cost of ownership. Each bearing undergoes rigorous quality control testing, ensuring dimensional accuracy and load capacity meet specifications. For industrial machinery makers, this translates to fewer replacements, reduced maintenance, and improved equipment uptime—ultimately delivering better return on investment than cheaper alternatives.
Why Industrial Buyers Choose Our Bearings
With 18 years of manufacturing experience since 2005, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our in-house QC lab conducts comprehensive testing, from material analysis to dimensional verification, ensuring every bearing meets design specifications. We offer full OEM/ODM customization to match specific machinery requirements, supported by free technical guidance. Our flexible order system allows 1pc MOQ for standard bearings, with 3-5 days sample lead time and 5-15 days bulk delivery. Defect replacement and refund policies provide additional security, while multiple payment options (T/T, credit card, Alibaba trade) accommodate international transactions.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- 3-7 days delivery time for standard orders
- Multiple logistics options including express, air, and sea freight
- Real-time shipment tracking provided upon dispatch
- 1pc minimum order quantity supported for emergency needs
Secure Your NK20/20 Bearing Today
Don't let equipment downtime impact your production schedule. The NK20/20 Needle Roller Bearing is ready to ship, with stock available for immediate dispatch. Whether you need a single replacement or bulk order, our team can provide a quote within 24 hours. Share your application details and quantity requirements to get started—your machinery deserves reliable components that keep operations running smoothly.
Frequently Asked Questions
Q: Are these genuine bearings from a reliable manufacturer?
A: Yes, we are an integrated bearing manufacturer with ISO9001 and ISO14001 certifications. Each NK20/20 bearing is produced in our Shandong facility and undergoes strict quality control.
Q: How do I confirm if the NK20/20 is suitable for my equipment?
A: Provide your equipment model, operating speed, load conditions, and temperature range. Our technical team can verify compatibility and recommend the appropriate precision grade and clearance.
Q: What warranty coverage do you offer for this bearing?
A: We provide a 12-month global warranty covering manufacturing defects. Defective products can be replaced or refunded according to our after-sales policy.
Q: What is the minimum order quantity for the NK20/20 bearing?
A: We accept 1pc minimum order quantity for standard items, supporting both emergency repairs and small-batch requirements.
Q: How quickly can you ship the NK20/20 bearings?
A: Standard orders ship within 3-7 days. For urgent requirements, contact our sales team to discuss expedited production and delivery options.
Q: How can I ensure the bearings I receive are authentic?
A: Our bearings include product certification and batch traceability information. Contact us for specific verification procedures and quality documentation.
Ready to order or need a quote?
Send your bearing designation, application details
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.
