TIMKEN bearings fixed on U.S. side of the medial and freedom  

                          
                         
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                    TIMKEN bearing cycle peeling cracks , because the bearing load , the contact surface is very easy to cause fatigue damage , so in order to increase the service life of bearings , bearing steel must have a high contact fatigue strength. Good or bad bearing steel , wear rings in their work directly affects the bearings, roller bearings and sliding cage, bearing wear constantly strive to reduce bearing wear parts , precision bearings keep the friction between stability , prolong life , there must be a more good choice TIMKEN bearing steel as a material .
For the fixed side TIMKEN bearings , requires scrolling option in the axial movement of the surface ( such as cylindrical roller bearings ) or moving the mounting surface ( such as radial ball bearings ) bearings. In a relatively short shaft , there is little free end side of the other cases , the only way fixed axial movement ( such as angular contact ball bearings ) bearings.
TIMKEN bearings in both radial and axial shaft supported at this time , bearing a fixed bearing lateral side, it is the role of the two relative axial displacement between the shaft and the bearing housing fixed radial and axial loads. The other side is called the free side , only radial loads , axial relative movement can stretch the ownership of the Ministry of the shaft in order to solve the resulting temperature change interval error and installation of bearings .
Hardness is an important quality , quality TIMKEN bearings , contact fatigue strength , wear resistance, elastic limit has a direct impact . Bearing steel the hardness of the general state of HRC61 ~ 65, in order to make contact with the bearing in order to obtain a high fatigue strength and wear resistance. In order to prevent corrosion preventive treatment, storage, and bearing parts and finished products to use, requires TIMKEN bearing steel should have good rust resistance .
TIMKEN bearing parts in the production process to go through a lot of cold , heat processing procedures in order to meet the high capacity, high efficiency , high quality requirements , bearing steel should have good processing properties. For example , cold and hot forming properties , workability, hardenability and so on.
TIMKEN bearing parts commonly used materials : carbon chromium bearing steel , hardened steel ( eg 20Cr2Ni4A, 15Mn, 20Cr2MnMoA), high temperature bearing steel ( eg Cr4Mo4V, Cr14Mo4, Cr15Mo4V, W18Cr4V), stainless steel , bearing steel (9Cr18, 9Cr18Mo, 1Cr18Ni9Ti stainless steel ) vacuum degassed steel, bearing steel magnet , which is the most common carbon chromium bearing steel . Carbon chromium bearing steel GCr6, GCr9, GCr9SiMn, GCR15, GCr15SiMn, bearing manufacturers in China , it is the most widely used industrial consumption , the largest steel with good wear resistance and contact fatigue performance, a more ideal processing good performance, with a certain degree of flexibility and toughness.
TIMKEN bearing steel , in addition to these basic requirements, but also should achieve the appropriate chemical composition, a uniform internal organization , the small non-metallic inclusions, surface defects and internal standard surface decarburization does not exceed a predetermined concentration , these projects clearly defined standards raw materials.