Spherical Roller Bearing 22218 1.Material: GCr15/GCr15SiMn 2.ID:25-1000MM 3.Standard:ISO9001:2000 4.Service:OEM available What we do is to help you work more safely and effectively! Qiangheng Machinery Co.,Ltd.1Company IntroductionQH Machinery is specialized in the production of roller bearing. With superior quality, abundant stock and exellent service, we are confident to meet even exceed your ...