1. Product Overview The 71805AC thin wall angular contact ball bearing adopts ultra-thin wall structure with 25° contact angle, bears combined radial and axial loads, features lightweight, low vibration and high precision, ideal for compact limited-space spindle and precision automation equipment. 👉 Get a quote within 24 hours for your project 2. Technical Specifiions Model 71805AC Inner Diameter (ID) 25 mm Outer Diameter (OD) 42 mm Width 9 mm Contact Angle 25° Structure