Rod end joint bearing EH series (reinforced); Rod end joint bearing EG series (reinforced); Normal series of inch size rod end spherical plain bearings (size series code Z); Rod end spherical plain bearings JK series (size series code JK). Its structural material code and clearance group code are similar to those of joint bearings.
Rod end joint bearings are mainly used for supporting parts with low concentricity requirements, high working surface pressure, and slow swing and rotary motion.
Internal thread series
Internal thread series
For detailed information on rod end spherical plain bearings, please refer to GB/T304,1-2002, GB/T304,2-2002, GB/T304,3-21102, and GB/12765-1991. Rod end joint bearings are sliding bearings that are lubricated with wear-resistant non-metallic materials, as well as oil channel lubrication.
Similar to GE20-ET and GE15-ET, they are all spherical bearings with specific suffixes.
Joint bearings are divided into GE, GEC, GEG, GEEW, GEK, GEH, and other types, with different sizes and lubrication methods, which can be found in the classification of sliding bearings in the mechanical design manual.
In a narrow sense, the rod end joint bearing should refer to the commonly referred to as a fisheye joint.
External thread series
External thread series
The difference between the inner and outer threads of a fisheye joint based on the connection method is: the internal thread series SIG, and the external thread series SAG. The size of the inner and outer threads is the same as the inner diameter of the fisheye. For example, if the joint is M12, the inner diameter of the bearing is also D12
Joint bearings are widely used in engineering hydraulic cylinders, forging machines, engineering machinery, automation equipment, automotive shock absorbers, water conservancy machinery, and other industries.
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