Sliding bearing and gear pump comprising same

The utility model provides a sliding bearing for a gear pump, which is provided with a cylindrical bearing surface in contact with the peripheral surface of a gear shaft, the bearing surface is provided with a first end along the axial direction and an opposite second end, and the bearing surface is provided with a groove circuitously extending from the first end to the second end. The utility model further provides a gear pump comprising the sliding bearing. The sliding bearing and the gear pump are good in lubricating effect, small in abrasion, long in service life, capable of guaranteeing continuous operation under extreme working conditions, safe, reliable, economical and practical. 本实用新型提供一种用于齿轮泵的滑动轴承，所述滑动轴承具有与齿轮轴的外周面接触的圆柱形轴承面，所述轴承面具有沿着轴向方向的第一端和相对的第二端，所述轴承面具有从所述第一端迂回地延伸到所述第二端的凹槽。本实用新型还提供一种包括上述滑动轴承的齿轮泵。本实用新型提供的滑动轴承及齿轮泵润滑效果好、磨损小、寿命长，且能够保证在极端工况下连续运行、安全可靠、经济实用。