Needle roller bearing installation techniques

Bearing manufacturing co. , LTD. Jiaxing about without inner ring and outer ring needle roller bearing, the device, can add shaft or shell hole appearance first apply a thin layer of grease, and put the needle in order against on the device of grease. Stick put single needle should leave gaps, gap of intrusive in needle roller bearing on the circumference of a circle to 0. It is advisable to 5 mm. Don't put a root needle hard to squeeze into, perhaps one less needle, because hard packed, bearing will be stuck can't rotate; Short-ship, gap is too big, easy to form the bearing operation twist and broken needle attacks. Particularly pointed out here, about as long as the stamping outer ring needle roller bearing, due to the outer wall is thin, not hammer hitting device, press pressure should be applied. Because of uneven hammer hits, and pressure, simple make needle roller bearing outer ring part deformation. Device full needle roller bearing, usually used for the sleeve. At this moment, for roll or assisted sleeve hold needle don't fell out of the needle, journal with its own chamfering lifting a needle, followed the needle roller bearing on the shaft neck gradually moving into, for roll or assisted the sleeve out gradually, until to the job position to stop. For roller, advising the sleeve diameter should be smaller than shaft diameter 0. 1-0. 3mm。 Device, coated with grease inside the bearing outer ring first appearance, by the needle is put inside the tight appearance, then the alternative journal or for roller bearing inner ring or assisted the sleeve into the outer ring hole, and make it face alignment device shaft end face or already device on the shaft bearing inner ring end face, and then press or hammer hit the pressure. Needle roller bearing is also able to such devices, will apply a thin layer of lubricating oil for the sleeve diameter, set into the bearing outer ring and make for the sleeve and the bearing outer ring form a circular hole, and then install needle in the annular aperture. After loading the needle, with homework will guide shaft sleeve can be launched. Sources: the list /? 3 _1. 超文本标记语言