The 7311 BMG TTN Angular Contact Ball Bearing is engineered for high-speed applications, featuring a 55mm inner diameter and a 120mm outer diameter. This bearing is designed to handle both radial and axial loads, making it ideal for machine tool spindles and gearboxes. Its precision steel construction ensures minimal friction and maximum efficiency. The bearing is compliant with ISO standards, ensuring reliability in demanding environments. With a contact angle optimized for performance, it provides superior stability and longevity in various industrial applications.