1)Material:GCr15,GCR11 2)Brand:SKF,NTN,ASK 3)Quality standard: ISO9001:2000 4)ID size:10mm-200mm 5)OEM: Accept LIAOCHENG ENDERUI BEARING CO.,LTD is a original manufacturer,so we can provide competitiveprice and more efficient cooperation,if interested,please contact us. Material:Chrome steel(GCR15) & Carbon steel(GCR11) Stainless steel Quality Certification: ISO9001:2000 system Material Used: ...