Brief introduction of full-roller bearings without outer ring. Full-roller bearings without outer ring are classified as precision bearings. The rib guide of the roller post shaft ring, which is precisely sorted, is composed of a coupling frame, rollers and a guide shaft ring. Separated from another bearing ring, it is classified as a separable bearing. This kind of bearing is easy to install and disassemble, especially when it is required that the inner and outer rings, the shaft and the casing are all interference unions. This type of bearing is generally only used for live ammunition with radial load guns. Only single-row bearings with ribs on both the inner and outer rings can be used with small steady axial loads or large intermittent axial loads; other bearings with similar dimensions. In comparison, this kind of bearing has the characteristics of high load, low noise and high speed, which is very suitable for various precision machinery and mining mill machinery. However, the shafts, rolling bodies and other related parts that are associated with such bearings need to be precisely machined. Large radial load. This type of bearing has a variety of layouts and standard series. The assembled G2 needle rollers have a diameter change of less than 2um in group batches. Except for full complement needle roller bearings, high-performance coupling frames are used. Can correctly guide the needle parallel axis. Structural difference, type difference, direction difference of receiving force, speed difference, load difference, material difference, application place difference, etc. Basic differences: the rolling body of a tapered roller bearing is a tapered roller; the rolling body of a needle roller bearing is a Needle rollers; the above basic differences determine that the structure of tapered roller bearings is larger than that of needle roller bearings.
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