A. Types of LubricantsLubricants for pulley bearings are mainly of the following types:1. Lubricating oil:Liquid form: Widely used, with good fluidity and cooling properties.Performance characteristic...
No outer ring, the double flange on the inner ring. It can not bear axial loads, and can not limit the axial displacement of the shaft or housing. The surface hardness, machining accuracy, and surface quality of the housing hole in contact with the bearing should be similar to that of the ring raceway. For components with limited radial dimensions.