Detailed description
Deep groove ball bearing 6021zz
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








