6904 Bearing 20x37x9mm
The 6904 bearing is a deep groove ball bearing with an inner diameter of 20 mm , an outer diameter of 37 mm, a width of 9 mm. It typically uses P1 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Deep groove ball bearing 6904
Deep groove ball bearing is a kind of the most common rolling bearing. The basic type of deep groove ball bearing is composed of an outer ring, a ring, a group of steel ball and a group of cage.There are single and double row of two deep groove ball bearings, deep groove ball structure is sealed and open two structure, open refers to the bearing without sealing structure,sealing type deep groove ball into the dust seal and oil seal. Dust seal cover material for steel plate stamping, plays only a simpleprevent dust from entering the bearing raceway. Oil proof typecontact type oil seal, can effectively prevent bearing grease inside the spillover.
Single row deep groove ball bearing type code 6, code named 4double deep groove ball bearing. It has the advantages of simple structure, convenient use, is most popular, the most widely usedone kind of bearing.
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