1. Product Overview The 6317-2Z/C3 single row deep groove ball bearing features thickened heavy-duty structure, double-sided 2Z metal dust shields and C3 enlarged radial clearance. It supports ultra-heavy radial loads, provides reliable dust protection and accommodates shaft thermal expansion under high-temperature operation, widely matched to large industrial motors, heavy fans, large pumps and heavy-duty reducer equipment. 👉 Get a quote within 24 hours for your project 2.