Thrust tapered roller bearing

The utility model discloses a thrust tapered roller bearing, including seat circle, the inside of seat circle is provided with the toper roller, and there is a blowout patche at the top of seat circlethrough toper roller swing joint, and the seal groove has been seted up at the middle part in the blowout patche outside, and the inside of seal groove is provided with the sealing washer, the utility model relates to a thrust tapered roller bearing is equipped with the lubrication groove, can be at the lubrication groove oil addition, and the inner wall interference fit of the inside sealing washer of seal groove and seat circle, when lubricate, can avoid the entering of debris, this thrust tapered roller bearing's seat circle is integrated into one piece with the shell, does not set up alone, when this thrust tapered roller bearing use, can avoid influencing this thrust tapered roller bearing's use owing to the deformation of shell. 本实用新型公开了种推力圆锥滚子轴承，包括座圈，座圈的内部设置有锥形滚子，座圈的顶部通过锥形滚子活动连接有轴圈，轴圈外侧的中部开设有密封槽，密封槽的内部设置有密