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联系人 Jenny
Hangzhou, Zhejiang
This is a copper or aluminum or resin as retainer based material , on which the rollers are aranged orderly in certain angle and intervals. moreover , the retaining technique is improved that dropping of the rollers can be thoroughly prevent. The friction is low and can move freely both in redial and in axial directions, and the bearing is in high precision. This is a young generation of the roller bearing which can roll in high speed, and is used in rolling frane of cold impact molds, high precision machine tools and their accessories.
