Support Roller of Rotary kiln Specifications: Competitive Price Excellent Quality Outstanding Service We can manufacture all the standard you required, like SEW510; The material is Alloy-steel. Take one which we have produced before for example: Material: IS:2644-1994, Gr. 2, CS700 cast steel Out diameter: 1900mm Tensile strength: 700N/mm2 Min Inner diameter: 700mm Yield Strength: 560 N/mm2 Min Surface width: 810mm Brinell hardness: 207 HB Min Unit weight: 13MT Section shrinkage rate: 30% Min Qty. 6 Nos.