- Premium Quality Construction: Our 70mm cushion wheel bearing pulleys are built from durable rubber and sturdy metal, ensuring longevity and reliability for rowing machines that require 608 shafts. - Seamless Compatibility: Designed as direct replacements for standard 608 bearing rowing machine wheels. With a precise 70mm outer diameter and 8mm aperture, these pulleys fit effortlessly into most home and commercial rowing machines without any modifications. - Quiet and Smooth Operation: The rubber coating on the pulleys minimizes noise and vibration, providing a peaceful workout environment. This feature allows you to focus on your training without disturbing others in your home. - Enhanced Durability: Constructed with a premium rubber exterior and a robust metal core, these pulleys are resistant to wear and deformation from regular use. The 608 bearing design promotes smooth rotation and reduces friction, extending the lifespan of your fitness equipment. - Versatile Applications: Ideal for home fitness enthusiasts and commercial gym environments, these pulleys are perfect for upgrading your rowing machine. Whether you are a beginner or an experienced athlete, these pulleys enhance your workout experience. - Easy Installation: With straightforward dimensions, you can quickly replace your existing pulleys without any special tools or expertise, getting back to your workout in no time. Choose our 70mm cushion wheel bearing pulleys for a reliable, quiet, and efficient rowing experience.