... .Material:GCr15,GCr15SiMn 3.ISO9001 Standard 4.Low nosie Linear Bearings1. Our linear bearing with same quality as our sample. 2. ... under a very low coefficient of friction. Therefore, the linear motion bearings are appropriate for many mechanical equipments, automation equipments ... of profile sizes – miniature (3, 5, 7, 9, 12, and 15mm) and standard (15, 20, 25, and 30mm)2. Multiple precision ...