1. Product Overview The HKSV71904 High‑Speed Angular Contact Ball Bearing is designed for turbojet engine machinery, offering ultra‑high‑speed performance and stable rotating performance. It is widely used in high‑speed rotary equipment where reliable running and high‑temperature resistance performance are required. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Parameter Value Model HKSV71904 Inner Diameter (ID) 20 mm Outer Diameter (OD) 37 mm