Product Description
Cylindrical roller and raceway are linear contact bearings. Large load capacity, mainly bearing radial load. The friction between the roller and the collar is small, which is suitable for high-speed rotation. According to whether the ferrule has a flange or not, it can be divided into single-row cylindrical roller bearings such as NU, NJ, NUP, N and NF, and double-row cylindrical roller bearings such as NNU and NN. The bearing is a structure in which the inner ring and the outer ring can be separated. Cylindrical roller bearing with inner ring or outer ring without flange can be used as a free-end bearing because the inner ring and outer ring can move relatively in the axial direction. A cylindrical roller bearing with double flanges on one side of the inner ring and the outer ring and a single flange on the other side of the ring can bear a certain degree of axial load in one direction. Generally, steel plate stamping cage or copper alloy lathe solid cage is used. But some of them use polyamide to form cages.
Product Information
- The roller and raceway are in line contact or off-line contact, which has large radial bearing capacity and is suitable for bearing heavy load and impact load.
- Low friction coefficient, suitable for high speed, and the limit speed is close to deep groove ball bearing.
- N-type and NU-type can move axially, which can adapt to the change of relative position between shaft and shell caused by thermal expansion or installation error, and can be used as free-end support.
- The machining requirements for shaft or seat hole are higher, and the relative deviation of outer ring axis after bearing installation should be strictly controlled to avoid contact stress concentration.
- The inner ring or the outer ring can be separated, which is convenient for installation and disassembly.
- The raceway and roller of cylindrical roller bearing are in geometric shape. After the improved design, it has a high bearing capacity. The new structural design of the flange and the roller end face not only improves the axial bearing capacity of the bearing, but also improves the lubrication conditions in the contact area between the roller end face and the flange, and improves the service performance of the bearing.
