1.Product Overview The 7312BL1DB matched angular contact ball bearing consists of two single 7312B bearings arranged DB back-to-back, equipped with lightweight BL1 polyamide cage and 40° large contact angle. It is widely used in precision spindles and high-speed rotary equipment requiring combined radial & bidirectional axial load support and high rigidity. 👉 Get a quote within 24 hours for your project 2.Technical Specifications Model 7312BL1DB Inner Diameter (ID) 60 mm