23222caw33

1.Brand:ZQZ 2.Material:GCr15,GCr15SiMn,G20GrNiMo 3.Quality standard: ISO9001:2008 4.ID:100~1200mm 5.Service: OEM accept “ZQZ” BEARING’S FUNCTIONS:a.Adjusts the heart roller bearings to have the spherical surface roller, outside the roller conveyer is the ball face shape, has adjusts the heart performance. outer covering winding when may the automatic control, but cannot increase the bearing ...