Design of Machine Elements - I is a comprehensive textbook that provides a thorough understanding of the fundamentals of machine design. This book covers various aspects of designing machine elements such as gears, bearings, shafts, couplings, and belts. It emphasizes the principles of design, selection of materials, and analysis techniques required for creating efficient and reliable machine elements. The content is presented in a clear and concise manner, with numerous examples and illustrations to aid understanding. This textbook is suitable for undergraduate students pursuing degrees in mechanical or production engineering, as well as practicing engineers who wish to enhance their knowledge and skills in machine element design.