Ensure smooth, precise rotation for your industrial machinery with our Deep Groove Ball Bearing 6311—engineered to eliminate downtime and enhance equipment reliability. Available in Zz (metal shielded) and 2RS (rubber sealed) variants, this bearing handles radial loads effortlessly while maintaining P0-P4 precision grades to meet even the most demanding operational standards.
| Parameter | Details |
|---|---|
| Model NO. | 6311 |
| Seals Type | Zz, 2RS, Open |
| Lubrication | Grease or Oil |
| Precision Rating | P0, P6, P5, P4 |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Service | OEM, ODM |
| Aligning | Non-Aligning Bearing |
| Separated | Unseparated |
| Rows Number | Single |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Carton, Pallet | |
| Origin | China |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Machine Tools, Printing Presses, Reducers |
| Automotive | Hub Assemblies, Electric Motors |
| Agriculture | Harvesters, Tractors |
| Home Appliances | Washing Machines, Air Conditioners |
| New Energy | Wind Turbines, Photovoltaic Systems |
Industrial machinery operators know the cost of unexpected downtime—missed deadlines, production losses, and expensive repairs. Many face challenges with bearings that fail prematurely due to poor precision or inadequate sealing, especially in high-speed applications. Sourcing reliable bearings with flexible order options often means choosing between long lead times, large minimum orders, or uncertain quality.
Our Deep Groove Ball Bearing 6311 addresses these pain points with P0-P4 precision ratings and Zz/2RS sealing options, ensuring stable operation in industrial machinery like machine tools and reducers. As an integrated manufacturer with ISO9001 certification, we offer 1pc MOQ for standard items, 3–5 days sample lead time, and bulk delivery within 5–15 days—no more waiting for critical replacements.
This 6311 Bearing excels in radial load scenarios, making it ideal for industrial machinery operating at moderate to high speeds. With vibration grades up to Z3V3, it reduces noise and ensures smooth rotation in environments like printing presses and CNC machines. The non-aligning, single-row design provides simplicity in installation while maintaining durability under continuous use.
Precision rating directly impacts performance: P4 grade minimizes runout and vibration, critical for high-precision machine tools, while P0 suits general industrial use. Sealing options cater to specific conditions—Zz metal shields offer effective dust protection in dry environments, while 2RS rubber seals retain lubrication and resist moisture in washdown applications. The bearing steel construction ensures high load capacity and wear resistance, extending service life in heavy-duty operations.
Low-quality bearings may save upfront costs but often lead to frequent replacements and unplanned downtime. Our 6311 2RS Bearing, backed by ISO14001 compliance and a 12-month global warranty, reduces total cost of ownership by minimizing failure risks. For example, a bearing failure in a production line can cost thousands in lost output—investing in reliable precision bearings prevents these hidden expenses.
With 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we prioritize quality and reliability. Our in-house R&D and QC lab ensure each bearing meets strict standards, while OEM/ODM capabilities allow customization to your exact specifications. We provide free technical guidance and defect replacement, supported by flexible payment options including T/T and Alibaba Trade Assurance for secure transactions.
Don’t let bearing issues slow down your operations. Whether you need a single replacement or bulk order, our responsive team ensures quick processing and delivery. Send us your requirements today to get a tailored quote—keep your machinery running with bearings you can depend on.
Q: Are these bearings genuine and traceable?
A: Yes, all our bearings are manufactured in-house under strict quality control and can be traced through our production records. We provide ISO9001/ISO14001 certification upon request.
Q: How do I confirm if the 6311 bearing fits my equipment?
A: Share your equipment model or technical specifications (load, speed, environment), and our engineering team will verify compatibility and recommend the optimal seal type and precision grade.
Q: What warranty coverage do you offer?
A: We provide a 12-month global warranty covering manufacturing defects. Contact us with details of any issues, and we’ll arrange replacement or refund promptly.
Q: What is the minimum order quantity?
A: Standard items have a 1pc MOQ, ideal for emergency repairs or small-batch trials. Bulk orders may qualify for volume pricing.
Q: How quickly can you ship?
A: Samples ship within 3–5 days, and bulk orders take 5–15 days. We work with global carriers to ensure timely delivery to your location.
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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.
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