The KSF-45 is a heavy-duty, spring-loaded ball transfer unit (bullseye bearing) designed for omnidirectional movement, shock absorption, and anti-collision. It features a primary 45mm main ball and supports dynamic loads typically ranging from 250 kg to 280 kg, making it ideal for punching machines, conveyors, and automated assembly lines. Model KSF-45 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The KSF-45 bearing (more accurately referred to as