USA Torrington needle bearing/needle roller bearings 1.ISO9001:2000 standard 2.Size:150-1200 mm 3.Material:GCr15 USA Torrington needle bearing/needle roller bearingsNeedle Roller Bearing1. Material: Chrome steel GCR15 / Stainless steel / as customers' requirements2. Style: AXK, AS, LS, GS, WS, K, KZK, KBK, NK, HK, BK, HF, FC, NA, TA, IR, CF, etc.3. ISO 9001: 2000 certification 4. Samples / OEM ...