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The basic designs of single row deep groove ball bearings are open and sealed. 6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413 6414 6415 6416 6417 6418 6420 6422 6426
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Open and sealed two structures. There are open bearings, bearings with dust covers, seals or snap rings. Open type means that the bearing does not have a sealed structure, and the sealed thin-walled deep groove ball is divided into dust-proof seal and oil-proof seal. The material of the dust-proof sealing cover is stamped steel plate, which only serves to prevent dust from entering the bearing raceway. The oil-proof type is a contact oil seal, which can effectively prevent the grease in the bearing from overflowing.
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The cross-section remains constant even in the case of larger shaft and housing bore diameters, also described as constant section (CS) bearings. three configurations: angular contact bearings (Type A), Conrad assembled deep groove radial ball bearings (Type C), and four-point contact radial bearings (Type X).
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Miniature deep groove ball bearings refer to metric series, with an outer diameter of less than 9mm; inch series, of various types of bearings with an outer diameter of less than 9.525mm, the main materials are carbon steel, bearing steel, stainless steel, plastic, ceramics, etc., of which the smallest inner diameter can be achieved 0.6mm, generally with an inner diameter of 1mm. Miniature deep groove balls are suitable for all kinds of industrial equipment, small rotary motors and other fields with high speed and low noise.
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