1. Product Overview The 6315-2RS1/C3 single row deep groove ball bearing adopts double contact 2RS1 rubber seal and C3 enlarged internal clearance, designed for heavy-load, high-temperature and dusty industrial equipment. It bears bidirectional radial and light axial load, effectively avoids thermal expansion jamming under long-hour continuous operation. It is widely used in large industrial fans, water pumps, medium-large motors and construction machinery where dust, water