The maximum reference circle diameter of girth gear can be up to 8000mm, modulus reaches 55. ... We produce and supply various kinds of kiln girth gear with different given specifications, such as GS-34CrMo4VI, GB ... Services:We provide rotary kiln critical components, such as girth gear, tyre, pinion, pinion shaft, support rollers, thrust rollers, ... the time it reaches discharge end. Rotary Kiln Ring