Cylindrical bearing grease injection device

The utility model relates to the technical field of bearing grease injection, and discloses a cylindrical bearing grease injection device which comprises a base, a frame is fixedly connected to the top of the base, a grease injection mechanism is arranged at the top of the frame, a grease outlet mechanism is arranged on the left side in the base, the grease injection mechanism comprises a support, the support is fixedly connected to the top of the frame, and a grease outlet mechanism is arranged on the top of the support. An electric telescopic rod is fixedly connected to the top in the support, and a movable pressing cover is fixedly connected to the bottom of the electric telescopic rod. According to the grease injection device for the cylindrical bearing, through the arranged grease injection mechanism, when the device is used for conducting grease injection on the bearing, the inner wall of the bearing rotates along with rotation of the clamping block, so that lubricating grease extruded out of the top of