EMA Series Brochure

Product catalog summary

Overview: The document provides a comprehensive overview of Timken's Single-Row EMA Series Cylindrical Roller Bearings, emphasizing their high performance, innovative design, and quality assurance. It highlights Timken's dedication to delivering superior product solutions and services.

Specifications: The EMA series features an increased capacity design with a machined brass cage, surpassing both Timken's published ratings and the industry's leading high-performance designs. The bearings are available in various types (NU, NJ, NUP) and sizes (80 mm ID - 400 mm OD) to accommodate diverse application needs. Detailed measurements, radial internal clearance codes, and additional product information are provided.

Design and Performance: The EMA series includes a one-piece brass cage with a full-milled pocket design, which reduces heat generation and enhances bearing life. Proprietary internal geometries and improved surface textures increase load capacity and reduce friction, promoting longer bearing life.

Applications: These bearings are suitable for use in wind energy, metals, construction, mining, pumps, hoists, gear drives, and other industrial equipment.

Quality Assurance: Timken is the only premium bearing manufacturer producing super-clean, high-alloy bearing steel, ensuring superior material quality. The company's global quality standards ensure consistent performance across all manufacturing facilities.

Technical Support: Timken offers 24/7 field engineering support and a global distribution network, ensuring easy access to products and services worldwide.

Performance Testing: Life testing under elevated loads and temperatures demonstrates the EMA series' superior performance, with Weibull analysis indicating significant life improvements over competing designs.

Radial Internal Clearance Codes: The document outlines the radial internal clearance (RIC) codes (C2, C3, C4, C5) for bearings, which indicate the permissible range of clearances essential for ensuring proper fit and function in specific applications.

Additional Notes: Certain designs (n, nf, np, nJf) are available upon request and may require minimum order volumes. The importance of the geometry constant for lubrication life adjustment is also highlighted.

Contact Information: For further details, readers are encouraged to contact local Timken representatives or visit the company's website.

Conclusion: Timken's Single-Row EMA Series Cylindrical Roller Bearings offer innovative design features, superior material quality, and extensive technical support, making them a reliable choice for high-performance industrial applications.

Catalog excerpts

Timken® Cylindrical Roller Bearings

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High Performance At Timken, our brand stands for outstanding quality in everything we do, from product design and manufacturing to engineering support and distribution. We believe in providing customers with the highest quality product solutions – and the greatest levels of service – for their application needs. Our dedication to high quality solutions is the inspiration for our new line of cylindrical roller bearings. Timken’s single-row EMA series features an increased capacity design with a machined brass cage. This premium design outperforms both the Timken published ratings and the industry’s...

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Is Our Standard Timken’s cylindrical roller bearing line is one of Global Distribution Network the broadest in the industry, backed by everything Our technical centers and manufacturing plants are supported by you need to improve your equipment and business our worldwide distribution operations, which provide customers performance. Timken industry experts, a global everywhere with easy access to Timken distribution network and an unwavering commitment to quality all combine to help you improve uptime and achieve the most from your operations. Quality You Can Trust Timken is the only premium bearing...

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Performance We’ve applied more than 80 years of cylindrical roller bearing design and manufacturing experience to achieve the highest levels of performance in the industry. In fact, Timken tests indicate that our new EMA series of cylindrical roller bearings offer greater performance than the Timken-published ratings and the leading highperformance industry design. EMA SERIES Life Test Results 4 UCL 65 3.5 Bearing Life Ratio Timken Load Rating Predicted Life Leading High-Performance Industry Design Timken Single-Row EMA Series Cylindrical roller bearing life testing was conducted on similar products...

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That Raises the Bar Innovative Design Unique Internal Geometries From a unique cage design to our proprietary internal geometries Proprietary profiles on the races and rollers increase load and special surface textures, capacity over other competing designs. cylindrical roller bearings feature unique characteristics designed to increase load ratings – resulting in longer life, improved uptime and reduced maintenance costs. Enhanced Surface Textures Engineered process for rings and rollers enhance surface textures Premium Cage for smoother operation, reducing Our EMA series bearings include a...

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Single-row EMA Series Cylindrical Roller Bearings Timken’s single-row EMA series of cylindrical roller bearings is available in a wide variety of size ranges and configurations to meet various application requirements. Size ranges: 80 mm ID - 400 mm OD | Designs: N, NU, NJ, NUP | Common applications: wind energy, metals, construction, mining, pumps, hoists, gear drives and other industrial equipment Type NJ has double-ribbed outer and r r 1s MIN r support heavy radial loads, as well as light unidirectional thrust loads up to are provided. The outer ring has two single-ribbed inner rings and can...

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Timken ® Single-Row EMA Series Cylindrical Roller Bearings by Bore Size B Part Number Mounting Data Thermal Speed Rating Backing Diameter Chamfer Chamfer Bearing Mass Load Ratings Bearing Dimensions (1) Based on 1 X 106 L10 life for the ISO life calculation method. (2) N, NF, NP, NJF designs are available by request. Minimum volumes may apply. (3) Geometry constant for lubrication life adjustment factor a3l. For more information, contact your Timken representative.

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Timken ® Single-Row EMA Series Cylindrical Roller Bearings by Bore Size cont. B Mounting Data Thermal Speed Rating Backing Diameter Chamfer Chamfer Bearing Mass Part Number (1) Based on 1 X 106 L10 life for the ISO life calculation method. (2) N, NF, NP, NJF designs are available by request. Minimum volumes may apply. (3) Geometry constant for lubrication life adjustment factor a3l. For more information, contact your Timken representative. Load Ratings Bearing Dimensions

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Part Number Mounting Data Chamfer Chamfer Bearing Mass Thermal Speed Rating Backing Diameter Load Ratings Bearing Dimensions (1) Based on 1 X 106 L10 life for the ISO life calculation method. (2) N, NF, NP, NJF designs are available by request. Minimum volumes may apply. (3) Geometry constant for lubrication life adjustment factor a3l. For more information, contact your Timken representative.

Open the catalog to page 9

Timken ® Single-Row EMA Series Cylindrical Roller Bearings by Bore Size cont. B Mounting Data Chamfer Chamfer Bearing Mass Thermal Speed Rating Backing Diameter Part Number (1) Based on 1 X 106 L10 life for the ISO life calculation method. (2) N, NF, NP, NJF designs are available by request. Minimum volumes may apply. (3) Geometry constant for lubrication life adjustment factor a3l. For more information, contact your Timken representative. Load Ratings Bearing Dimensions

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