Product Specifications
| Parameter |
Details |
| Model NO. |
6308 |
| 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° |
| Transport Package |
Carton Pallet |
| Specification |
40×90×23mm |
| Trademark |
BDL |
| Origin |
China |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Printing Presses, Reducers |
| Automotive |
Wheel Hubs, Electric Motors |
| Agriculture |
Harvesters, Tractors |
| Home Appliances |
Washing Machines, Refrigeration Compressors |
| New Energy |
Wind Turbines, Solar Panel Tracking Systems |
Minimize Downtime with Reliable 6308 Deep Groove Ball Bearings for Industrial Machinery
Industrial operations face critical losses when equipment fails prematurely—often due to low-quality bearings that compromise precision and durability. Many manufacturers struggle with inconsistent supply, long lead times for custom specifications, and uncertainty about product authenticity. When a 6308 bearing fails in a machine tool or conveyor system, the cost of downtime can far exceed the initial savings from cheap alternatives.
6308 Deep Groove Ball Bearings: Engineered for Stable Performance
Our 6308 deep groove ball bearing addresses these challenges with P0-P4 precision ratings and Zz/2RS seal options, designed to meet the rigorous demands of industrial machinery. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure consistent quality through full in-house R&D and QC processes. Whether you need standard 40x90x23mm dimensions or custom lubrication solutions, our flexible production supports both OEM/ODM requirements and small-batch orders—with 1pc MOQ for standard items and 3–5 day sample lead times.
Optimal Performance in Critical Industrial Applications
This 6308 bearing excels in radial load scenarios typical of machine tools, printing presses, and reducers, where smooth rotation and low noise are essential. With vibration grades up to Z3V3, it minimizes operational noise in precision equipment, while its single-row, non-aligning design ensures stability in high-speed applications. The bearing steel construction provides durability for heavy-load operations, making it suitable for agricultural machinery like tractors and industrial conveyors where wear resistance is critical.
Technical Features That Drive Reliability
The precision rating (P0-P4) directly impacts operational accuracy: P4 grade bearings reduce runout and vibration, ideal for CNC machine spindles requiring tight tolerances. Seal options Zz (metal shield) and 2RS (rubber seal) balance protection and friction—Zz shields excel in high-temperature environments, while 2RS seals offer superior dust and moisture resistance for outdoor or dirty applications. Vibration classes Z1V1 to Z3V3 ensure compatibility with noise-sensitive equipment, from家电 motors to medical devices. The 0° contact angle optimizes radial load capacity, a key factor in extending bearing life under continuous operation.
Why Authentic Bearings Lower Total Costs
Counterfeit bearings often fail within months, leading to unplanned downtime, repair costs, and potential damage to mating components. A single bearing failure in a production line can cost thousands in lost output. Our 6308 bearings, backed by a 12-month global warranty, eliminate these risks. We source raw materials through stable supply chains and conduct stringent quality checks, ensuring each bearing meets ISO standards. While cheaper alternatives may seem attractive upfront, the long-term reliability of authentic bearings reduces total cost of ownership by minimizing replacements and downtime.
Your Trusted Bearing Partner Since 2005
With over 18 years of experience serving global markets across Europe, America, and Southeast Asia, Jinan Saifan Bearing combines manufacturing expertise with customer-centric service. Our 100,000+ monthly production capacity ensures stable supply, even for bulk orders, while free technical guidance helps you select the right bearing for your application. We offer defect replacement and refund policies, and our support team provides post-sales assistance to resolve any issues. All products are traceable through our quality management system, giving you confidence in every order.
Packaging & Shipping
- Secure carton and pallet packaging to prevent damage during transit
- Sample lead time: 3–5 days for standard specifications
- Bulk delivery: 5–15 days, with flexible shipping via air, sea, or courier (DHL/FedEx/UPS)
- Real-time tracking provided for all shipments
- 1pc MOQ available for emergency repairs or small-batch testing
Get Your 6308 Bearing Shipped Today
Don’t let equipment downtime affect your production schedule. Contact us with your bearing model, required precision grade, and quantity, and we’ll provide a quote within 24 hours. With free samples (buyer covers freight) and fast delivery, we make it easy to verify performance before committing to bulk orders. Ensure your machinery runs smoothly—order your 6308 deep groove ball bearings now.
Frequently Asked Questions
Q: Are these bearings authentic and traceable?
A: Yes, all our bearings are manufactured in-house under ISO9001/ISO14001 standards, with full traceability from raw materials to production. We provide quality certificates upon request.
Q: How do I confirm if the 6308 bearing fits my equipment?
A: Share your equipment model, operating speed, load conditions, and required precision grade. Our technical team will verify compatibility and recommend the optimal seal type and lubrication.
Q: What is your warranty policy?
A: We offer a 12-month global warranty covering manufacturing defects. If a bearing fails under normal use, we provide free replacement or a full refund.
Q: What is the minimum order quantity?
A: Standard 6308 bearings have a 1pc MOQ, supporting emergency repairs and small-batch orders. Custom OEM/ODM orders may have different requirements based on specifications.
Q: How quickly can you ship?
A: Samples ship within 3–5 days, and bulk orders within 5–15 days. We offer expedited shipping options for urgent needs.
Q: Can you provide technical support for installation
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