... 2. chrome steel Gcr15 3. low noise 4. high precision Full Needle roller bearings/ one way clutch bearings Yantai runlong is ... , NA, NKI, RNA, NK,etcCageChrome steel, carbon, stainless steelID Size5- 360 mmPrecision ratingP0 P6 P5 QualityISO9001:2000BrandygDeliveryReady goods and stock within ...