SR3899-3 Slip ring 3rings 10a per ring SR3899 SERIESThrough-Bore dia. ... , revolving stage*Heavy equipment, platform, cable coil, testing equipment*Packing equipment, stacking machine, magnetic clutch, technology control equipment*Revolving sensor, emergent illuminating equipment, robot*Exhibition/display ... the actual size, the tolerance of length is + 1mm SR3899-3 Slip ring 3rings 10a per ring