Zhejiang Waxing Electromechanical Co., Ltd is one of the most professional manufacturers and suppliers of 3205 3204 2rs angular contact ball bearing in China. Welcome to buy high quality customized bearings made in China here from our factory. For price consultation, contact us.
No.: 3205
Size：25x52x20.6mm
Weight:0.19kg
Lead time:5-7 business day
Type:Angular contact ball bearing
Introduction and feature description of double row angular contact ball bearings：
Double row angular contact ball bearings can withstand radial loads and axial loads acting in two directions. It can limit the bidirectional axial displacement of the shaft or housing, and the contact angle is 30 degrees. Highly rigid bearing arrangements can be provided and can withstand overturning moments.
Cage
Double row angular contact ball bearings with a pressed sheet steel cage do not have a cage-related suffix.
Bearings using a machined brass solid cage guided by steel balls are denoted by the last M. The suffix MA refers to bearings using a solid brass cage guided by the outer ring. Bearings using glass fiber reinforced polyamide 66 cages (suffix TVH or TVP) can be used for stable temperatures below 120°C. If the bearing is lubricated with oil, the additives in the oil may shorten the life of the cage.
In addition, the oil aged at high temperature may also shorten the service life of the bearing, so the oil change interval must be strictly followed.
Allowable speed
Under suitable working conditions, the bearing speed may be higher than the reference speed, but it is impossible to be higher than the value of the limit speed. When determining the thermal allowable speed, the influence of the special working environment should be fully considered.
Heat treatment The heat-treated FAG double row angular contact ball bearings can continue to work below 150°C. If the cage is made of polyamide, the working temperature is limited by the cage. Sealed bearings are also limited by the requirements of the seal.
Sealed bearing
In addition to open double row angular contact ball bearings, angular contact ball bearings with ZR type dust cover (non-contact seal) on both sides and RSR type seal ring (contact seal) on both sides are also the basic structure provided by FAG. form. This bearing has been filled with high-quality grease that has been strictly tested by FAG in the factory. Bearings sealed on one side are also available on request. The limit speed of non-contact sealed bearings (suffix .2ZR) is lower than that of open bearings.
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