Entity ring needle roller bearings NA, NKI-bearing without inner ring is the RNA, NK-type NA4906 needle roller bearings, needle roller bearings single or double seals with or without inner ring sealed needle roller bearings can be effectively to prevent the intrusion of dirt has filled the right amount of lithium grease inside the bearing. This kind of bearing inner ring outer aspect ratio, which makes the bearings on the shaft relative to the bearing box with a little displacement but also to ensure a good seal to prevent injury to the bearing contamination. Bearing inner ring also has lubricating hole, you can NKI32 / 20 needle roller bearings, lubricated by the outer or inner complement needle roller bearings fitted with thin and long roller (roller length to diameter of 3 to 10 need to be configured according to times the diameter of generally not more than 5mm), so the structure is compact radial needle bearing, the inner diameter of the size and load bearing capacity and other types are the same, the outer diameter of the smallest, particularly suitable for the limited size of the radial mounting support NKI32 / 30 roller Needle bearings | needle roller bearings Linqing | LINQing municipal governance and needle by needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) strong, credible, in other industries, Liaocheng accumulated a large number of loyal customers. The company better work attitude and constantly improving governance and innovative ideas will lead you hand needle and into the brilliant, for a better future!