Product Specifications
| Parameter |
Details |
| Model NO. |
6216, 6217, 6218, 6219, 6220 |
| Outer Dimension |
Medium and Large(120-190mm) |
| Material |
Bearing Steel |
| Spherical |
Non-Aligning Bearings |
| Load Direction |
Radial Bearing |
| Separated |
Unseparated |
| Lubrication |
Grease or Oil |
| Precision Rating |
P0, P6, P5, P4, P2 |
| Vibration |
Z1V1, Z2V2, Z3V3 |
| Feature |
Long Life, High Speed, Low Noise |
| Stock |
Rich Stocks |
| Service |
OEM, ODM |
| Trademark |
NTN, NSK, KOYO, NACHI, TIMKEN |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Excavators, Loaders, Cranes, Bulldozers |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Agricultural Machinery |
Harvesters, Tractors, Threshers |
| Automotive |
Wheel Hubs, Gearboxes, Electric Motors |
| New Energy |
Wind Turbines, Photovoltaic Equipment |
Minimize Downtime with 6216-6220 Deep Groove Ball Bearings for Construction Machinery
Construction sites can't afford unexpected equipment failures. When bearings in excavators or loaders fail prematurely, projects stall, labor costs rise, and deadlines get missed. Many buyers face the challenge of sourcing reliable high-speed, low-noise bearings that can handle heavy loads without constant replacements. Sourcing from multiple suppliers often leads to inconsistent quality and longer lead times, further delaying operations.
High-Speed, Low-Noise Deep Groove Ball Bearings in Stock Now
Our Deep Groove Ball Bearing 6216-6220 series with 2RS and DDU seals addresses these critical issues. Designed for construction machinery, these bearings deliver high-speed performance with minimal noise, ensuring smooth operation even in demanding environments. With rich stocks available, we offer 1pc MOQ for standard items and 3-5 days sample lead time, allowing you to get the parts you need without waiting for production delays. Whether you're replacing a single bearing for emergency repair or stocking up for upcoming projects, we provide the flexibility you require.
Engineered for the Toughest Construction Environments
These bearings excel in high-speed rotation under radial loads, making them ideal for construction machinery components like hydraulic pumps, gearboxes, and conveyor systems. The non-aligning design ensures stability during heavy-duty operations, while the choice of grease or oil lubrication allows adaptation to different working conditions. With outer dimensions ranging from 120-190mm, they fit medium and large machinery where durability and performance are non-negotiable. The low noise feature also contributes to a more comfortable working environment on job sites.
Key Technical Features That Matter
The precision rating options (P0-P4) allow you to select the right balance between performance and cost for your application. Higher precision grades like P4 are suitable for machinery requiring tight tolerances and minimal vibration, while P0 works well for general-purpose equipment. Vibration grades Z2-Z4 ensure quiet operation, a crucial factor in both operator comfort and machinery longevity. The bearing steel material provides excellent wear resistance, directly contributing to the long service life even under heavy loads. The unseparated design simplifies installation and maintenance, reducing downtime during replacements.
Why Authentic Bearings Reduce Total Costs
Choosing genuine Deep Groove Ball Bearings over counterfeit alternatives eliminates the hidden costs of frequent replacements and unexpected breakdowns. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to costly equipment damage and project delays. Our bearings, supplied with authentic NSK/INA branding, meet strict quality standards backed by ISO9001 certification. While the initial investment may be higher, the extended service life and reduced maintenance needs result in lower total cost of ownership over time. Each bearing undergoes rigorous quality control to ensure consistent performance, giving you peace of mind in critical applications.
Our Commitment to Reliable Supply
With over 18 years of experience as an integrated bearing manufacturer and exporter, we serve global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D capabilities and QC lab ensure that every bearing meets international standards. We offer a 12-month global warranty, free technical guidance, and defect replacement or refund, demonstrating our confidence in product quality. Our production capacity of 1,000,000 units annually ensures stable supply even for large-scale projects. Flexible payment options including T/T, credit card, and Alibaba trade assurance provide secure transaction methods for international buyers.
Packaging & Shipping
- Carton pallet packaging for secure transportation
- 5-15 days bulk delivery time for stock items
- Transport by sea or air based on your urgency and budget
- Free samples available with buyer covering freight costs
- 1pc MOQ for standard items, supporting both small and large orders
Get Your Construction Machinery Bearings Today
Don't let equipment downtime affect your project timeline. Our 6216-6220 series Deep Groove Ball Bearings are in stock and ready to ship. Whether you need a single sample for testing or bulk quantities for your next project, we can fulfill your order promptly. Send us your specific requirements, and our technical team will ensure you get the right bearing for your application.
Frequently Asked Questions
Q: Are these bearings authentic NSK/INA products?
A: Yes, we supply authentic NSK/INA bearings sourced through authorized channels, ensuring genuine quality and performance.
Q: How do I confirm the right bearing model for my equipment?
A: Provide your equipment model or existing bearing designation, and our technical team will verify compatibility at no cost.
Q: What is your warranty policy for these bearings?
A: We offer a 12-month global warranty covering manufacturing defects, with free replacement or refund available for qualifying issues.
Q: What is the minimum order quantity?
A: We accept 1pc MOQ for standard items, making it easy to source single units for emergency repairs or testing.
Q: How quickly can you ship an order?
A: Sample lead time is 3-5 days, with bulk delivery taking 5-15 days depending on order size and destination.
Q: How can I verify the authenticity of the bearings?
A: Authentic bearings come with original packaging and branding. We can provide追溯 information and certification to confirm genuineness upon request.
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.
