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Shielded (2Z) bearings are fitted with two metal dust shields to prevent the ingress of dirt and foreign matter 2RZ bearings are 2Z bearings fitted with two low friction seals Deep groove ball bearings are extremely versatile and robust in operation Deep groove ball bearings are the most widely used bearing type due to their simple design If the outer ring rotates there is a da More info
Shielded (2Z) bearings are fitted with two metal dust shields to prevent the ingress of dirt and foreign matter 2RZ bearings are 2Z bearings fitted with two low friction seals Deep groove ball bearings are extremely versatile and robust in operation Deep groove ball bearings are the most widely used bearing type due to their simple design If the outer ring rotates there is a danger that grease may be lost from the bearing at high speeds