The KSF-30 is a heavy-duty, spring-loaded ball transfer unit widely used in material handling, assembly lines, and stamping dies to provide shock absorption and smooth, omnidirectional movement. It typically handles a load capacity of up to 300 kg. Model KSF-30 Brand ZH Material Chrome Steel precision P0 P6 P5 P4 Product Description The KSF-30 is a heavy-duty ball transfer unit featuring an integrated shock-absorbing spring. It is an omnidirectional rolling unit designed