1. Product Overview The 6204-2Z/C3 single row deep groove ball bearing adopts double-sided 2Z metal dust shields and C3 enlarged radial clearance. It has excellent dustproof effect and can offset shaft thermal expansion under high-temperature operation, widely used for small motors, automation equipment, miniature pumps and light-duty transmission devices. 👉 Get a quote within 24 hours for your project 2. Technical Specifications Model: 6204-2Z/C3 Inner Diameter (ID): 20mm