bearing steel 1Standard: AISI, ASTM, BS, DIN, GB, JIS 2.Model Number: bearing steel 3.Technique: Hot Rolled ASTM 52100 bearing steel Standard: AISI, ASTM, BS, DIN, GB, JIS Dimensions: dia 8~500mm Model Number: bearing steel Technique: Hot RolledPackaging & Delivery Packaging Detail:bundleDelivery Detail30 days after the confirmed orderSpecificationASTM 52100 bearing steel-GCr15high quality,good ...