1.Product Overview The B15-86D non-standard deep groove ball bearing is specially engineered for automobile alternators, featuring high temperature resistance, low noise and reliable double rubber sealing. It is widely matched to car generators requiring stable high-speed rotation and long service life under heat load. 👉 Get a quote within 24 hours for your project 2.Technical Specifications Model B15-86D Inner Diameter (ID) 15mm Outer Diameter (OD) 47mm Width 14mm Structure