Bearing 30303 A KINEX



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Product detailed description
Bearing 30303 A KINEX – Reliable Performance for Industrial Applications
The 30303 A KINEX is a precision-engineered spherical roller bearing designed to deliver high performance and durability in demanding mechanical environments. Manufactured by KINEX, a trusted name in bearing technology, this bearing is ideal for heavy-duty applications requiring robust load capacity and reliable operation.
This particular model, 30303 A, features a spherical roller design that allows it to accommodate both radial and axial loads, making it suitable for use in various industrial machinery such as gearboxes, electric motors, conveyors, and heavy equipment. The spherical rollers help compensate for shaft misalignment and reduce friction, contributing to longer service life and improved efficiency.
Key Features of 30303 A KINEX
- High load-carrying capacity with spherical roller design
- Enhanced misalignment tolerance for stable performance
- Durable construction for extended operational life
- Suitable for heavy-duty industrial applications
- Precision manufacturing ensuring smooth rotation and reduced wear
Technical Specifications
The 30303 A KINEX corresponds to the standard 30303 bearing series, which typically features the following dimensions:
- Inner Diameter (d): 17 mm
- Outer Diameter (D): 47 mm
- Width (B): 14 mm
These dimensions make it compatible with many standard shafts and housings, facilitating easy integration into existing equipment setups.
Applications and Benefits
Due to its robust design and reliable performance characteristics, the 30303 A KINEX is widely used in industries such as:
- Mining and construction machinery
- Material handling systems
- Pumps and compressors
- Industrial gearboxes
The bearing’s ability to handle heavy radial and axial loads while compensating for misalignment ensures minimal downtime and maintenance, ultimately boosting productivity and reducing operational costs.
Investing in the 30303 A KINEX means choosing a high-quality bearing solution engineered to meet rigorous industrial demands with precision and durability.

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KINEX: Leading Manufacturer of Bearings and Transmission Technology
KINEX is a renowned manufacturer specializing in high-quality bearings and advanced transmission technology solutions. With decades of experience in the industry, KINEX has established itself as a trusted partner for a wide range of industrial and mechanical applications worldwide.
Company History
Founded in the early 1990s, KINEX has grown steadily from a local bearing producer to a global supplier. The company’s commitment to innovation, quality, and customer satisfaction has driven continuous development and expansion. Over the years, KINEX has integrated cutting-edge production technologies and rigorous quality control systems, ensuring durable and reliable products for diverse industries.
Product Range
KINEX offers an extensive range of bearings and transmission components designed to meet the highest standards of performance and durability.
- Ball Bearings: Deep groove ball bearings, angular contact ball bearings, and self-aligning ball bearings.
- Roller Bearings: Cylindrical roller bearings, spherical roller bearings, and tapered roller bearings.
- Custom Bearings: Specially engineered solutions tailored for unique mechanical and industrial requirements.
- Transmission Technology: Couplings, shaft components, and precision mechanical transmission parts.
- Maintenance and Replacement Parts: Seals, lubrication systems, and bearing accessories to ensure long-lasting operation.
Main Focus and Innovation
KINEX focuses on providing reliable, high-performance bearing solutions that reduce friction and wear, enhancing machine lifespan and efficiency. Their products are developed with precision engineering, utilizing advanced materials and manufacturing technologies. Sustainability and energy efficiency are also key pillars of their innovation strategy, aiming to support eco-friendly industry practices.
Application Areas
KINEX bearings and transmission technologies serve a broad spectrum of applications, including but not limited to:
- Automotive industry
- Industrial machinery and automation
- Renewable energy systems, such as wind turbines
- Construction and agricultural equipment
- Railway and transportation systems
- Electronics and precision instruments
Company Headquarters
KINEX is headquartered in Slovakia, strategically positioned in Central Europe. This location enables efficient distribution across European markets as well as global reach through its extensive network of distributors and partners.